./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/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_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:01:20,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:01:20,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:01:20,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:01:20,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:01:20,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:01:20,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:01:20,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:01:20,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:01:20,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:01:20,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:01:20,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:01:20,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:01:20,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:01:20,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:01:20,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:01:20,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:01:20,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:01:20,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:01:20,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:01:21,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:01:21,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:01:21,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:01:21,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:01:21,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:01:21,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:01:21,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:01:21,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:01:21,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:01:21,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:01:21,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:01:21,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:01:21,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:01:21,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:01:21,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:01:21,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:01:21,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:01:21,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:01:21,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:01:21,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:01:21,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:01:21,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:01:21,081 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:01:21,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:01:21,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:01:21,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:01:21,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:01:21,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:01:21,084 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:01:21,085 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:01:21,085 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:01:21,085 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:01:21,086 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:01:21,087 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:01:21,087 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:01:21,087 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:01:21,087 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:01:21,088 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:01:21,088 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:01:21,088 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:01:21,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:01:21,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:01:21,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:01:21,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:01:21,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:01:21,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:01:21,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:01:21,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:01:21,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:01:21,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:01:21,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:01:21,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:01:21,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:01:21,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:01:21,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:01:21,096 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:01:21,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:01:21,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:01:21,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:01:21,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:01:21,097 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_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-11-23 02:01:21,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:01:21,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:01:21,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:01:21,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:01:21,471 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:01:21,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-23 02:01:21,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data/b2997c1ca/b0dde9fa4cee45a88d33f9d6677e7274/FLAGc43589ea6 [2021-11-23 02:01:22,626 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:01:22,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-23 02:01:22,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data/b2997c1ca/b0dde9fa4cee45a88d33f9d6677e7274/FLAGc43589ea6 [2021-11-23 02:01:22,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data/b2997c1ca/b0dde9fa4cee45a88d33f9d6677e7274 [2021-11-23 02:01:22,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:01:22,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:01:22,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:01:22,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:01:22,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:01:22,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:01:22" (1/1) ... [2021-11-23 02:01:22,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168d1aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:22, skipping insertion in model container [2021-11-23 02:01:22,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:01:22" (1/1) ... [2021-11-23 02:01:22,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:01:23,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:01:25,932 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_40b38c21-b25c-42fd-b95a-9e3f052510b3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-23 02:01:25,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:01:26,063 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:01:26,734 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_40b38c21-b25c-42fd-b95a-9e3f052510b3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-23 02:01:26,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:01:27,155 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:01:27,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27 WrapperNode [2021-11-23 02:01:27,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:01:27,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:01:27,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:01:27,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:01:27,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:27,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:27,594 INFO L137 Inliner]: procedures = 343, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8311 [2021-11-23 02:01:27,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:01:27,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:01:27,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:01:27,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:01:27,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:27,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:27,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:27,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:27,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:27,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:28,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:28,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:01:28,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:01:28,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:01:28,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:01:28,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (1/1) ... [2021-11-23 02:01:28,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:01:28,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:01:28,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:01:28,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:01:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-11-23 02:01:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-11-23 02:01:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 02:01:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:01:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:01:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 02:01:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 02:01:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 02:01:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 02:01:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 02:01:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 02:01:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-11-23 02:01:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-11-23 02:01:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:01:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:01:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-11-23 02:01:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-11-23 02:01:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 02:01:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 02:01:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-11-23 02:01:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-11-23 02:01:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:01:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:01:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-11-23 02:01:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-11-23 02:01:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 02:01:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 02:01:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 02:01:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 02:01:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:01:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:01:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:01:28,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:01:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 02:01:28,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 02:01:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-11-23 02:01:28,159 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-11-23 02:01:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 02:01:28,160 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 02:01:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-11-23 02:01:28,160 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-11-23 02:01:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-23 02:01:28,160 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-23 02:01:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 02:01:28,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 02:01:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:01:28,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:01:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-11-23 02:01:28,162 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-11-23 02:01:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:01:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:01:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-11-23 02:01:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-11-23 02:01:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:01:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-11-23 02:01:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-11-23 02:01:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-11-23 02:01:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-11-23 02:01:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-23 02:01:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-23 02:01:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:01:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:01:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 02:01:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 02:01:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:01:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:01:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-11-23 02:01:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-11-23 02:01:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-11-23 02:01:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-11-23 02:01:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 02:01:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 02:01:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-11-23 02:01:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-11-23 02:01:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-11-23 02:01:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-11-23 02:01:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 02:01:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 02:01:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 02:01:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 02:01:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 02:01:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 02:01:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:01:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:01:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-11-23 02:01:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-11-23 02:01:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:01:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:01:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-11-23 02:01:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-11-23 02:01:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:01:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:01:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 02:01:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 02:01:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-11-23 02:01:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-11-23 02:01:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-11-23 02:01:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-11-23 02:01:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:01:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 02:01:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 02:01:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-11-23 02:01:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-11-23 02:01:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-11-23 02:01:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-11-23 02:01:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:01:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:01:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-11-23 02:01:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-11-23 02:01:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:01:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:01:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-11-23 02:01:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-11-23 02:01:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:01:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-11-23 02:01:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-11-23 02:01:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-11-23 02:01:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-11-23 02:01:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-11-23 02:01:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-11-23 02:01:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:01:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 02:01:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 02:01:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 02:01:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 02:01:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-23 02:01:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-23 02:01:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-11-23 02:01:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-11-23 02:01:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:01:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:01:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:01:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:01:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-11-23 02:01:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-11-23 02:01:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:01:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:01:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:01:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:01:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-11-23 02:01:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-11-23 02:01:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-11-23 02:01:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-11-23 02:01:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-11-23 02:01:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-11-23 02:01:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 02:01:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 02:01:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:01:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 02:01:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 02:01:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-11-23 02:01:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-11-23 02:01:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-11-23 02:01:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-11-23 02:01:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-11-23 02:01:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-11-23 02:01:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-11-23 02:01:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-11-23 02:01:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-11-23 02:01:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-11-23 02:01:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:01:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-23 02:01:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-23 02:01:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 02:01:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 02:01:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:01:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-11-23 02:01:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-11-23 02:01:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-11-23 02:01:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-11-23 02:01:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:01:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:01:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-11-23 02:01:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-11-23 02:01:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-11-23 02:01:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-11-23 02:01:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 02:01:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 02:01:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-11-23 02:01:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-11-23 02:01:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:01:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:01:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-11-23 02:01:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-11-23 02:01:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-11-23 02:01:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-11-23 02:01:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-11-23 02:01:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-11-23 02:01:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:01:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:01:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-11-23 02:01:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-11-23 02:01:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:01:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:01:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-11-23 02:01:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-11-23 02:01:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 02:01:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 02:01:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-11-23 02:01:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-11-23 02:01:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-11-23 02:01:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-11-23 02:01:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:01:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:01:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:01:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-11-23 02:01:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-11-23 02:01:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-11-23 02:01:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-11-23 02:01:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-11-23 02:01:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-11-23 02:01:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-11-23 02:01:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-11-23 02:01:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:01:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:01:29,350 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:01:29,356 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:01:29,695 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:29,749 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-11-23 02:01:29,749 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-11-23 02:01:29,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 02:01:29,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 02:01:30,468 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:30,581 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-23 02:01:30,581 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-23 02:01:30,918 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:30,920 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:31,060 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-23 02:01:31,061 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-23 02:01:31,061 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2021-11-23 02:01:31,061 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2021-11-23 02:01:31,308 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:46,522 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 [2021-11-23 02:01:46,523 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; [2021-11-23 02:01:46,523 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 [2021-11-23 02:01:46,523 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; [2021-11-23 02:01:46,523 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-23 02:01:46,523 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-23 02:01:46,523 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-11-23 02:01:46,523 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-11-23 02:01:46,524 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-23 02:01:46,524 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-23 02:01:46,524 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-11-23 02:01:46,524 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-11-23 02:01:46,524 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; [2021-11-23 02:01:46,524 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 [2021-11-23 02:01:46,524 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2021-11-23 02:01:46,524 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2021-11-23 02:01:46,527 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; [2021-11-23 02:01:46,528 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 [2021-11-23 02:01:46,528 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 [2021-11-23 02:01:46,528 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; [2021-11-23 02:01:46,528 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 [2021-11-23 02:01:46,528 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; [2021-11-23 02:01:46,528 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 [2021-11-23 02:01:46,528 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; [2021-11-23 02:01:46,528 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2021-11-23 02:01:46,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2021-11-23 02:01:46,530 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 [2021-11-23 02:01:46,530 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; [2021-11-23 02:01:46,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2021-11-23 02:01:46,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2021-11-23 02:01:46,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2021-11-23 02:01:46,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2021-11-23 02:01:46,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2021-11-23 02:01:46,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2021-11-23 02:01:46,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-11-23 02:01:46,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-11-23 02:01:46,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2021-11-23 02:01:46,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2021-11-23 02:01:46,761 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:46,766 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:46,775 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:46,775 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:46,777 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:01:57,713 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; [2021-11-23 02:01:57,714 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-23 02:01:57,714 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2021-11-23 02:01:57,714 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2021-11-23 02:01:57,714 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2021-11-23 02:01:57,714 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2021-11-23 02:01:57,714 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 [2021-11-23 02:01:57,715 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; [2021-11-23 02:01:57,715 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2021-11-23 02:01:57,715 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2021-11-23 02:01:57,715 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2021-11-23 02:01:57,715 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2021-11-23 02:01:57,716 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; [2021-11-23 02:01:57,716 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 [2021-11-23 02:01:57,716 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2021-11-23 02:01:57,716 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2021-11-23 02:01:57,716 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2021-11-23 02:01:57,716 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2021-11-23 02:01:57,986 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:02:00,615 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:02:00,615 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-23 02:02:00,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:02:00 BoogieIcfgContainer [2021-11-23 02:02:00,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:02:00,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:02:00,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:02:00,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:02:00,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:01:22" (1/3) ... [2021-11-23 02:02:00,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1f51df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:02:00, skipping insertion in model container [2021-11-23 02:02:00,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:27" (2/3) ... [2021-11-23 02:02:00,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1f51df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:02:00, skipping insertion in model container [2021-11-23 02:02:00,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:02:00" (3/3) ... [2021-11-23 02:02:00,634 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-23 02:02:00,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:02:00,641 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:02:00,723 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:02:00,735 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:02:00,735 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:02:00,812 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) [2021-11-23 02:02:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:02:00,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:02:00,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:02:00,821 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:02:00,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:02:00,827 INFO L85 PathProgramCache]: Analyzing trace with hash -12841163, now seen corresponding path program 1 times [2021-11-23 02:02:00,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:02:00,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603534050] [2021-11-23 02:02:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:00,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:02:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:02:01,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:02:01,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603534050] [2021-11-23 02:02:01,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603534050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:02:01,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:02:01,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:02:01,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551266015] [2021-11-23 02:02:01,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:02:01,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:02:01,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:02:01,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:02:01,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:02:01,518 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) [2021-11-23 02:02:03,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:06,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:09,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:02:11,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:16,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:17,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:02:17,406 INFO L93 Difference]: Finished difference Result 5792 states and 8899 transitions. [2021-11-23 02:02:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:02:17,409 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 [2021-11-23 02:02:17,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:02:17,473 INFO L225 Difference]: With dead ends: 5792 [2021-11-23 02:02:17,473 INFO L226 Difference]: Without dead ends: 3790 [2021-11-23 02:02:17,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:02:17,503 INFO L933 BasicCegarLoop]: 3685 mSDtfsCounter, 2868 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:02:17,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2870 Valid, 6264 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 865 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2021-11-23 02:02:17,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2021-11-23 02:02:17,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 3785. [2021-11-23 02:02:17,912 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) [2021-11-23 02:02:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3785 states and 5749 transitions. [2021-11-23 02:02:17,959 INFO L78 Accepts]: Start accepts. Automaton has 3785 states and 5749 transitions. Word has length 12 [2021-11-23 02:02:17,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:02:17,961 INFO L470 AbstractCegarLoop]: Abstraction has 3785 states and 5749 transitions. [2021-11-23 02:02:17,961 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) [2021-11-23 02:02:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 5749 transitions. [2021-11-23 02:02:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:02:17,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:02:17,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:02:17,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:02:17,966 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:02:17,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:02:17,968 INFO L85 PathProgramCache]: Analyzing trace with hash 283312242, now seen corresponding path program 1 times [2021-11-23 02:02:17,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:02:17,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500813964] [2021-11-23 02:02:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:17,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:02:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:02:18,238 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:02:18,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500813964] [2021-11-23 02:02:18,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500813964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:02:18,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:02:18,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:02:18,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767944907] [2021-11-23 02:02:18,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:02:18,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:02:18,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:02:18,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:02:18,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:02:18,242 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) [2021-11-23 02:02:20,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:23,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:02:25,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:28,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:30,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:34,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:35,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:02:35,906 INFO L93 Difference]: Finished difference Result 6062 states and 9493 transitions. [2021-11-23 02:02:35,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:02:35,907 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 [2021-11-23 02:02:35,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:02:35,973 INFO L225 Difference]: With dead ends: 6062 [2021-11-23 02:02:35,973 INFO L226 Difference]: Without dead ends: 6057 [2021-11-23 02:02:35,979 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 [2021-11-23 02:02:35,989 INFO L933 BasicCegarLoop]: 3901 mSDtfsCounter, 1552 mSDsluCounter, 6694 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 539 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 9849 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:02:35,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 9849 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1256 Invalid, 5 Unknown, 0 Unchecked, 17.3s Time] [2021-11-23 02:02:36,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2021-11-23 02:02:36,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 3787. [2021-11-23 02:02:36,462 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) [2021-11-23 02:02:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 5751 transitions. [2021-11-23 02:02:36,496 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 5751 transitions. Word has length 14 [2021-11-23 02:02:36,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:02:36,496 INFO L470 AbstractCegarLoop]: Abstraction has 3787 states and 5751 transitions. [2021-11-23 02:02:36,497 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) [2021-11-23 02:02:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 5751 transitions. [2021-11-23 02:02:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 02:02:36,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:02:36,500 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] [2021-11-23 02:02:36,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:02:36,501 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:02:36,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:02:36,502 INFO L85 PathProgramCache]: Analyzing trace with hash -983709737, now seen corresponding path program 1 times [2021-11-23 02:02:36,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:02:36,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566073402] [2021-11-23 02:02:36,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:36,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:02:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:02:36,746 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:02:36,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566073402] [2021-11-23 02:02:36,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566073402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:02:36,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:02:36,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:02:36,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009518934] [2021-11-23 02:02:36,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:02:36,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:02:36,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:02:36,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:02:36,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:02:36,749 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) [2021-11-23 02:02:38,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:41,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:46,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:02:48,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:02:52,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:55,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:02:57,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:00,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:08,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:08,369 INFO L93 Difference]: Finished difference Result 9547 states and 14510 transitions. [2021-11-23 02:03:08,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:03:08,370 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 [2021-11-23 02:03:08,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:08,437 INFO L225 Difference]: With dead ends: 9547 [2021-11-23 02:03:08,437 INFO L226 Difference]: Without dead ends: 7605 [2021-11-23 02:03:08,452 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 [2021-11-23 02:03:08,457 INFO L933 BasicCegarLoop]: 5882 mSDtfsCounter, 5877 mSDsluCounter, 4948 mSDsCounter, 0 mSdLazyCounter, 4072 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 10030 SdHoareTripleChecker+Invalid, 4085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4072 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:08,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5881 Valid, 10030 Invalid, 4085 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 4072 Invalid, 7 Unknown, 0 Unchecked, 31.1s Time] [2021-11-23 02:03:08,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2021-11-23 02:03:09,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7593. [2021-11-23 02:03:09,100 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) [2021-11-23 02:03:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7593 states to 7593 states and 11547 transitions. [2021-11-23 02:03:09,152 INFO L78 Accepts]: Start accepts. Automaton has 7593 states and 11547 transitions. Word has length 22 [2021-11-23 02:03:09,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:09,153 INFO L470 AbstractCegarLoop]: Abstraction has 7593 states and 11547 transitions. [2021-11-23 02:03:09,154 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) [2021-11-23 02:03:09,154 INFO L276 IsEmpty]: Start isEmpty. Operand 7593 states and 11547 transitions. [2021-11-23 02:03:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 02:03:09,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:09,163 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] [2021-11-23 02:03:09,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:03:09,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:09,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:09,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2038800537, now seen corresponding path program 1 times [2021-11-23 02:03:09,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:09,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903735893] [2021-11-23 02:03:09,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:09,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:09,381 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:09,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903735893] [2021-11-23 02:03:09,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903735893] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:09,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:09,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:09,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544147823] [2021-11-23 02:03:09,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:09,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:09,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:09,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:09,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:09,384 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) [2021-11-23 02:03:11,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:14,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:03:16,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:19,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:23,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:23,006 INFO L93 Difference]: Finished difference Result 17107 states and 26009 transitions. [2021-11-23 02:03:23,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:23,007 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 [2021-11-23 02:03:23,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:23,106 INFO L225 Difference]: With dead ends: 17107 [2021-11-23 02:03:23,106 INFO L226 Difference]: Without dead ends: 11359 [2021-11-23 02:03:23,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:23,144 INFO L933 BasicCegarLoop]: 3346 mSDtfsCounter, 2870 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 5913 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:23,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2872 Valid, 5913 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 787 Invalid, 4 Unknown, 0 Unchecked, 13.2s Time] [2021-11-23 02:03:23,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11359 states. [2021-11-23 02:03:23,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11359 to 11349. [2021-11-23 02:03:23,995 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) [2021-11-23 02:03:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11349 states to 11349 states and 17242 transitions. [2021-11-23 02:03:24,058 INFO L78 Accepts]: Start accepts. Automaton has 11349 states and 17242 transitions. Word has length 25 [2021-11-23 02:03:24,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:24,059 INFO L470 AbstractCegarLoop]: Abstraction has 11349 states and 17242 transitions. [2021-11-23 02:03:24,059 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) [2021-11-23 02:03:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 11349 states and 17242 transitions. [2021-11-23 02:03:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 02:03:24,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:24,075 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] [2021-11-23 02:03:24,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:03:24,075 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:24,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:24,079 INFO L85 PathProgramCache]: Analyzing trace with hash -181817682, now seen corresponding path program 1 times [2021-11-23 02:03:24,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:24,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627101324] [2021-11-23 02:03:24,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:24,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:24,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:24,248 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:24,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627101324] [2021-11-23 02:03:24,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627101324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:24,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:24,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:03:24,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809147254] [2021-11-23 02:03:24,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:24,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:03:24,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:24,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:03:24,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:03:24,254 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) [2021-11-23 02:03:26,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:28,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:30,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:03:33,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:37,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:37,334 INFO L93 Difference]: Finished difference Result 15296 states and 23208 transitions. [2021-11-23 02:03:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:03:37,335 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 [2021-11-23 02:03:37,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:37,389 INFO L225 Difference]: With dead ends: 15296 [2021-11-23 02:03:37,389 INFO L226 Difference]: Without dead ends: 9518 [2021-11-23 02:03:37,420 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 [2021-11-23 02:03:37,421 INFO L933 BasicCegarLoop]: 2582 mSDtfsCounter, 1 mSDsluCounter, 5906 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7743 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:37,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 7743 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1127 Invalid, 4 Unknown, 0 Unchecked, 12.8s Time] [2021-11-23 02:03:37,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9518 states. [2021-11-23 02:03:38,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9518 to 9518. [2021-11-23 02:03:38,076 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) [2021-11-23 02:03:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9518 states to 9518 states and 14456 transitions. [2021-11-23 02:03:38,124 INFO L78 Accepts]: Start accepts. Automaton has 9518 states and 14456 transitions. Word has length 38 [2021-11-23 02:03:38,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:38,125 INFO L470 AbstractCegarLoop]: Abstraction has 9518 states and 14456 transitions. [2021-11-23 02:03:38,125 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) [2021-11-23 02:03:38,125 INFO L276 IsEmpty]: Start isEmpty. Operand 9518 states and 14456 transitions. [2021-11-23 02:03:38,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 02:03:38,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:38,134 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] [2021-11-23 02:03:38,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:03:38,135 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:03:38,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:38,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1528956966, now seen corresponding path program 1 times [2021-11-23 02:03:38,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:03:38,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955006851] [2021-11-23 02:03:38,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:38,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:38,512 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:03:38,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955006851] [2021-11-23 02:03:38,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955006851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:38,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:38,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:03:38,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131334399] [2021-11-23 02:03:38,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:38,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:03:38,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:03:38,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:03:38,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:03:38,514 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) [2021-11-23 02:03:40,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:43,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:03:46,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:48,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:50,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:53,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:55,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:03:57,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:04:00,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:04:03,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:04:05,504 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 [] [2021-11-23 02:04:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:04:06,655 INFO L93 Difference]: Finished difference Result 23178 states and 35528 transitions. [2021-11-23 02:04:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:04:06,662 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 [2021-11-23 02:04:06,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:04:06,761 INFO L225 Difference]: With dead ends: 23178 [2021-11-23 02:04:06,761 INFO L226 Difference]: Without dead ends: 17330 [2021-11-23 02:04:06,800 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 [2021-11-23 02:04:06,802 INFO L933 BasicCegarLoop]: 3651 mSDtfsCounter, 3614 mSDsluCounter, 5403 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 6 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3884 SdHoareTripleChecker+Valid, 8307 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:04:06,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3884 Valid, 8307 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1981 Invalid, 8 Unknown, 0 Unchecked, 27.7s Time] [2021-11-23 02:04:06,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17330 states. [2021-11-23 02:04:07,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17330 to 15030. [2021-11-23 02:04:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15030 states, 9461 states have (on average 1.3947785646337596) internal successors, (13196), 10095 states have internal predecessors, (13196), 4813 states have call successors, (4813), 757 states have call predecessors, (4813), 755 states have return successors, (4826), 4646 states have call predecessors, (4826), 4811 states have call successors, (4826) [2021-11-23 02:04:07,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15030 states to 15030 states and 22835 transitions. [2021-11-23 02:04:07,915 INFO L78 Accepts]: Start accepts. Automaton has 15030 states and 22835 transitions. Word has length 44 [2021-11-23 02:04:07,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:04:07,918 INFO L470 AbstractCegarLoop]: Abstraction has 15030 states and 22835 transitions. [2021-11-23 02:04:07,918 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) [2021-11-23 02:04:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 15030 states and 22835 transitions. [2021-11-23 02:04:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 02:04:07,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:04:07,924 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] [2021-11-23 02:04:07,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:04:07,925 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:04:07,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:04:07,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1641653114, now seen corresponding path program 1 times [2021-11-23 02:04:07,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:04:07,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416415742] [2021-11-23 02:04:07,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:07,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:04:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:04:08,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:04:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:04:08,943 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:04:08,943 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:04:08,945 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:04:08,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:04:08,950 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:04:08,953 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:04:09,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:04:09 BoogieIcfgContainer [2021-11-23 02:04:09,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:04:09,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:04:09,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:04:09,119 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:04:09,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:02:00" (3/4) ... [2021-11-23 02:04:09,123 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:04:09,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:04:09,124 INFO L158 Benchmark]: Toolchain (without parser) took 166207.74ms. Allocated memory was 88.1MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 51.9MB in the beginning and 994.4MB in the end (delta: -942.4MB). Peak memory consumption was 325.6MB. Max. memory is 16.1GB. [2021-11-23 02:04:09,125 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:04:09,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4238.04ms. Allocated memory was 88.1MB in the beginning and 224.4MB in the end (delta: 136.3MB). Free memory was 51.7MB in the beginning and 128.7MB in the end (delta: -77.0MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. [2021-11-23 02:04:09,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 438.82ms. Allocated memory is still 224.4MB. Free memory was 128.7MB in the beginning and 79.4MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-23 02:04:09,127 INFO L158 Benchmark]: Boogie Preprocessor took 479.49ms. Allocated memory is still 224.4MB. Free memory was 79.4MB in the beginning and 84.5MB in the end (delta: -5.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-11-23 02:04:09,127 INFO L158 Benchmark]: RCFGBuilder took 32545.06ms. Allocated memory was 224.4MB in the beginning and 941.6MB in the end (delta: 717.2MB). Free memory was 84.5MB in the beginning and 314.9MB in the end (delta: -230.4MB). Peak memory consumption was 566.5MB. Max. memory is 16.1GB. [2021-11-23 02:04:09,128 INFO L158 Benchmark]: TraceAbstraction took 128491.95ms. Allocated memory was 941.6MB in the beginning and 1.4GB in the end (delta: 415.2MB). Free memory was 314.9MB in the beginning and 994.4MB in the end (delta: -679.5MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2021-11-23 02:04:09,128 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 1.4GB. Free memory is still 994.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:04:09,130 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 88.1MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4238.04ms. Allocated memory was 88.1MB in the beginning and 224.4MB in the end (delta: 136.3MB). Free memory was 51.7MB in the beginning and 128.7MB in the end (delta: -77.0MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 438.82ms. Allocated memory is still 224.4MB. Free memory was 128.7MB in the beginning and 79.4MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 479.49ms. Allocated memory is still 224.4MB. Free memory was 79.4MB in the beginning and 84.5MB in the end (delta: -5.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * RCFGBuilder took 32545.06ms. Allocated memory was 224.4MB in the beginning and 941.6MB in the end (delta: 717.2MB). Free memory was 84.5MB in the beginning and 314.9MB in the end (delta: -230.4MB). Peak memory consumption was 566.5MB. Max. memory is 16.1GB. * TraceAbstraction took 128491.95ms. Allocated memory was 941.6MB in the beginning and 1.4GB in the end (delta: 415.2MB). Free memory was 314.9MB in the beginning and 994.4MB in the end (delta: -679.5MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 1.4GB. Free memory is still 994.4MB. 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: 128.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 120.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 32 mSolverCounterUnknown, 17329 SdHoareTripleChecker+Valid, 117.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16782 mSDsluCounter, 48106 SdHoareTripleChecker+Invalid, 112.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28838 mSDsCounter, 554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10088 IncrementalHoareTripleChecker+Invalid, 10674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 554 mSolverCounterUnsat, 23047 mSDtfsCounter, 10088 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 32 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=15030occurred 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: 4.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 4597 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.9s 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 [2021-11-23 02:04:09,381 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 02:04:09,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/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_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/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_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:04:11,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:04:11,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:04:11,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:04:11,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:04:11,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:04:11,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:04:11,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:04:11,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:04:11,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:04:11,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:04:11,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:04:11,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:04:11,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:04:11,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:04:11,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:04:11,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:04:11,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:04:11,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:04:11,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:04:11,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:04:11,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:04:11,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:04:11,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:04:11,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:04:11,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:04:11,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:04:11,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:04:11,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:04:11,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:04:11,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:04:11,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:04:11,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:04:11,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:04:11,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:04:11,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:04:11,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:04:11,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:04:11,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:04:11,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:04:11,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:04:11,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 02:04:11,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:04:11,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:04:11,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:04:11,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:04:11,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:04:11,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:04:11,879 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:04:11,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:04:11,880 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:04:11,880 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:04:11,882 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:04:11,882 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:04:11,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:04:11,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:04:11,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:04:11,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:04:11,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:04:11,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:04:11,885 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:04:11,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:04:11,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:04:11,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:04:11,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:04:11,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:04:11,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:04:11,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:04:11,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:04:11,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:04:11,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:04:11,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:04:11,888 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:04:11,889 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:04:11,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:04:11,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:04:11,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:04:11,890 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_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-11-23 02:04:12,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:04:12,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:04:12,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:04:12,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:04:12,332 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:04:12,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-23 02:04:12,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data/d98b5b825/1188b8d451ee460db03d52a338ee453a/FLAG8dd11e6ce [2021-11-23 02:04:13,613 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:04:13,613 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-23 02:04:13,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data/d98b5b825/1188b8d451ee460db03d52a338ee453a/FLAG8dd11e6ce [2021-11-23 02:04:13,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/data/d98b5b825/1188b8d451ee460db03d52a338ee453a [2021-11-23 02:04:13,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:04:13,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:04:13,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:04:13,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:04:13,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:04:13,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:13" (1/1) ... [2021-11-23 02:04:13,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9537f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:13, skipping insertion in model container [2021-11-23 02:04:13,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:13" (1/1) ... [2021-11-23 02:04:13,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:04:14,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:04:16,957 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_40b38c21-b25c-42fd-b95a-9e3f052510b3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-23 02:04:17,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:04:17,103 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 02:04:17,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:04:17,838 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_40b38c21-b25c-42fd-b95a-9e3f052510b3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-23 02:04:17,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:04:17,904 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:04:18,785 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_40b38c21-b25c-42fd-b95a-9e3f052510b3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-23 02:04:18,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:04:19,457 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:04:19,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19 WrapperNode [2021-11-23 02:04:19,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:04:19,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:04:19,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:04:19,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:04:19,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:19,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:19,843 INFO L137 Inliner]: procedures = 358, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8171 [2021-11-23 02:04:19,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:04:19,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:04:19,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:04:19,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:04:19,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:19,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:19,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:19,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:20,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:20,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:20,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:20,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:04:20,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:04:20,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:04:20,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:04:20,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (1/1) ... [2021-11-23 02:04:20,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:04:20,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:04:20,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:04:20,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:04:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 02:04:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-11-23 02:04:20,346 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-11-23 02:04:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 02:04:20,346 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 02:04:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 02:04:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:04:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 02:04:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:04:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 02:04:20,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 02:04:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 02:04:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 02:04:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 02:04:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 02:04:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-11-23 02:04:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-11-23 02:04:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:04:20,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:04:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-11-23 02:04:20,349 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-11-23 02:04:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 02:04:20,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 02:04:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-11-23 02:04:20,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-11-23 02:04:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:04:20,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:04:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-11-23 02:04:20,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-11-23 02:04:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 02:04:20,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 02:04:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 02:04:20,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 02:04:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:04:20,352 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:04:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:04:20,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:04:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 02:04:20,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 02:04:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-11-23 02:04:20,353 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-11-23 02:04:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 02:04:20,353 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 02:04:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-11-23 02:04:20,353 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-11-23 02:04:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-23 02:04:20,354 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-23 02:04:20,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 02:04:20,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 02:04:20,356 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:04:20,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:04:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-11-23 02:04:20,357 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-11-23 02:04:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:04:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:04:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-11-23 02:04:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-11-23 02:04:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:04:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-11-23 02:04:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-11-23 02:04:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-11-23 02:04:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-11-23 02:04:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-23 02:04:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-23 02:04:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:04:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:04:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 02:04:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 02:04:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 02:04:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 02:04:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 02:04:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:04:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 02:04:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:04:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-11-23 02:04:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-11-23 02:04:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-11-23 02:04:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-11-23 02:04:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 02:04:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 02:04:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 02:04:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 02:04:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 02:04:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-11-23 02:04:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-11-23 02:04:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-11-23 02:04:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-11-23 02:04:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 02:04:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 02:04:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 02:04:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 02:04:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 02:04:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 02:04:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 02:04:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 02:04:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 02:04:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-11-23 02:04:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-11-23 02:04:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:04:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:04:20,370 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-11-23 02:04:20,370 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-11-23 02:04:20,370 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:04:20,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:04:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 02:04:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 02:04:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-11-23 02:04:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-11-23 02:04:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-11-23 02:04:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-11-23 02:04:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 02:04:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 02:04:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-11-23 02:04:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-11-23 02:04:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-11-23 02:04:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-11-23 02:04:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:04:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:04:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-11-23 02:04:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-11-23 02:04:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:04:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:04:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-11-23 02:04:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-11-23 02:04:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-11-23 02:04:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-11-23 02:04:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-11-23 02:04:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-11-23 02:04:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-11-23 02:04:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-11-23 02:04:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 02:04:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 02:04:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 02:04:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 02:04:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-23 02:04:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-23 02:04:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-11-23 02:04:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-11-23 02:04:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 02:04:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 02:04:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:04:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:04:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-11-23 02:04:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-11-23 02:04:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:04:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:04:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:04:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:04:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-11-23 02:04:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-11-23 02:04:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-11-23 02:04:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-11-23 02:04:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-11-23 02:04:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-11-23 02:04:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 02:04:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 02:04:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 02:04:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 02:04:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 02:04:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 02:04:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 02:04:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-11-23 02:04:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-11-23 02:04:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 02:04:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-11-23 02:04:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-11-23 02:04:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-11-23 02:04:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-11-23 02:04:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-11-23 02:04:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-11-23 02:04:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-11-23 02:04:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-11-23 02:04:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:04:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-23 02:04:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-23 02:04:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 02:04:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 02:04:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:04:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-11-23 02:04:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-11-23 02:04:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-11-23 02:04:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-11-23 02:04:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:04:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:04:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-11-23 02:04:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-11-23 02:04:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 02:04:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 02:04:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 02:04:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-11-23 02:04:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-11-23 02:04:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 02:04:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 02:04:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-11-23 02:04:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-11-23 02:04:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:04:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:04:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-11-23 02:04:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-11-23 02:04:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-11-23 02:04:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-11-23 02:04:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-11-23 02:04:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-11-23 02:04:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:04:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:04:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-11-23 02:04:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-11-23 02:04:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:04:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:04:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-11-23 02:04:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-11-23 02:04:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 02:04:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 02:04:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-11-23 02:04:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-11-23 02:04:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-11-23 02:04:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-11-23 02:04:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:04:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:04:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 02:04:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-11-23 02:04:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-11-23 02:04:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-11-23 02:04:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-11-23 02:04:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-11-23 02:04:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-11-23 02:04:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-11-23 02:04:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-11-23 02:04:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:04:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:04:21,417 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:04:21,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:04:21,987 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:04:22,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-11-23 02:04:22,067 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-11-23 02:04:24,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 02:04:24,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 02:04:30,517 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:04:31,176 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-23 02:04:31,176 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-23 02:04:32,121 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:04:32,124 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:04:32,601 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-23 02:04:32,601 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-23 02:04:32,602 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2021-11-23 02:04:32,602 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2021-11-23 02:04:33,493 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:04:58,400 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 [2021-11-23 02:04:58,401 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; [2021-11-23 02:04:58,401 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 [2021-11-23 02:04:58,401 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; [2021-11-23 02:04:58,401 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-23 02:04:58,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-23 02:04:58,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-11-23 02:04:58,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-11-23 02:04:58,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-23 02:04:58,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-23 02:04:58,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-11-23 02:04:58,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-11-23 02:04:58,403 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; [2021-11-23 02:04:58,403 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 [2021-11-23 02:04:58,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2021-11-23 02:04:58,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2021-11-23 02:04:58,403 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; [2021-11-23 02:04:58,404 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 [2021-11-23 02:04:58,404 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 [2021-11-23 02:04:58,404 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; [2021-11-23 02:04:58,404 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 [2021-11-23 02:04:58,404 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; [2021-11-23 02:04:58,405 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 [2021-11-23 02:04:58,405 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; [2021-11-23 02:04:58,405 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-11-23 02:04:58,405 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-11-23 02:04:58,405 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-23 02:04:58,405 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-23 02:04:58,405 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-11-23 02:04:58,406 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2021-11-23 02:04:58,406 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-11-23 02:04:58,406 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-11-23 02:04:58,406 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2021-11-23 02:04:58,406 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2021-11-23 02:04:58,406 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 [2021-11-23 02:04:58,407 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; [2021-11-23 02:04:58,407 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2021-11-23 02:04:58,407 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2021-11-23 02:04:58,407 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2021-11-23 02:04:58,407 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2021-11-23 02:04:58,407 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2021-11-23 02:04:58,407 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2021-11-23 02:04:58,408 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-11-23 02:04:58,408 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-11-23 02:04:58,408 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2021-11-23 02:04:58,408 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2021-11-23 02:05:01,053 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:05:01,055 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:05:01,062 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:05:01,063 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:05:01,064 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 02:05:56,427 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; [2021-11-23 02:05:56,427 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-23 02:05:56,428 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2021-11-23 02:05:56,428 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2021-11-23 02:05:56,428 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2021-11-23 02:05:56,428 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2021-11-23 02:05:56,428 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 [2021-11-23 02:05:56,429 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; [2021-11-23 02:05:56,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2021-11-23 02:05:56,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2021-11-23 02:05:56,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2021-11-23 02:05:56,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2021-11-23 02:05:56,429 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; [2021-11-23 02:05:56,429 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 [2021-11-23 02:05:56,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2021-11-23 02:05:56,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2021-11-23 02:05:56,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2021-11-23 02:05:56,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2021-11-23 02:05:58,157 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:05:58,196 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:05:58,197 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-23 02:05:58,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:58 BoogieIcfgContainer [2021-11-23 02:05:58,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:05:58,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:05:58,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:05:58,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:05:58,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:04:13" (1/3) ... [2021-11-23 02:05:58,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4648f6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:58, skipping insertion in model container [2021-11-23 02:05:58,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:19" (2/3) ... [2021-11-23 02:05:58,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4648f6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:58, skipping insertion in model container [2021-11-23 02:05:58,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:58" (3/3) ... [2021-11-23 02:05:58,211 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-23 02:05:58,216 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:05:58,216 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:05:58,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:05:58,292 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:05:58,292 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:05:58,368 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) [2021-11-23 02:05:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:05:58,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:05:58,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:05:58,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:05:58,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:05:58,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2021-11-23 02:05:58,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:05:58,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055638321] [2021-11-23 02:05:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:05:58,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:05:58,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:05:58,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:05:58,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:05:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:05:59,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:05:59,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:06:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:00,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:06:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:00,955 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:06:00,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055638321] [2021-11-23 02:06:00,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055638321] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:00,956 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:00,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-23 02:06:00,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122519359] [2021-11-23 02:06:00,959 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:00,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:06:00,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:06:00,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:06:00,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:00,999 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 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:06:01,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:01,699 INFO L93 Difference]: Finished difference Result 8125 states and 12244 transitions. [2021-11-23 02:06:01,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:06:01,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-11-23 02:06:01,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:01,796 INFO L225 Difference]: With dead ends: 8125 [2021-11-23 02:06:01,796 INFO L226 Difference]: Without dead ends: 5402 [2021-11-23 02:06:01,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:06:01,835 INFO L933 BasicCegarLoop]: 5839 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, 9839 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 [2021-11-23 02:06:01,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4020 Valid, 9839 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:06:01,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2021-11-23 02:06:02,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5399. [2021-11-23 02:06:02,332 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) [2021-11-23 02:06:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8018 transitions. [2021-11-23 02:06:02,393 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8018 transitions. Word has length 17 [2021-11-23 02:06:02,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:06:02,395 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 8018 transitions. [2021-11-23 02:06:02,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:06:02,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8018 transitions. [2021-11-23 02:06:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 02:06:02,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:06:02,416 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] [2021-11-23 02:06:02,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:06:02,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:06:02,633 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:06:02,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:06:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2021-11-23 02:06:02,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:06:02,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51948152] [2021-11-23 02:06:02,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:06:02,637 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:06:02,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:06:02,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:06:02,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 02:06:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:03,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:06:03,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:06:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:04,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:06:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:05,771 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:06:05,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51948152] [2021-11-23 02:06:05,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51948152] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:05,772 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:05,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 02:06:05,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729152345] [2021-11-23 02:06:05,772 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:05,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:06:05,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:06:05,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:06:05,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:06:05,775 INFO L87 Difference]: Start difference. First operand 5399 states and 8018 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:06:06,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:06,559 INFO L93 Difference]: Finished difference Result 10703 states and 15909 transitions. [2021-11-23 02:06:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:06:06,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2021-11-23 02:06:06,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:06,611 INFO L225 Difference]: With dead ends: 10703 [2021-11-23 02:06:06,612 INFO L226 Difference]: Without dead ends: 5399 [2021-11-23 02:06:06,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:06:06,643 INFO L933 BasicCegarLoop]: 4031 mSDtfsCounter, 1 mSDsluCounter, 16112 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20143 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:06:06,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 20143 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:06:06,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2021-11-23 02:06:06,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2021-11-23 02:06:06,914 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) [2021-11-23 02:06:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8017 transitions. [2021-11-23 02:06:06,952 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8017 transitions. Word has length 54 [2021-11-23 02:06:06,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:06:06,956 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 8017 transitions. [2021-11-23 02:06:06,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:06:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8017 transitions. [2021-11-23 02:06:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 02:06:06,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:06:06,967 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] [2021-11-23 02:06:06,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:06:07,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:06:07,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:06:07,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:06:07,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2021-11-23 02:06:07,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:06:07,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000173334] [2021-11-23 02:06:07,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:06:07,202 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:06:07,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:06:07,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:06:07,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 02:06:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:08,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 02:06:08,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:06:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:10,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:06:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:13,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:06:13,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000173334] [2021-11-23 02:06:13,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000173334] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:13,219 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:13,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-23 02:06:13,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720258529] [2021-11-23 02:06:13,220 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:13,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:06:13,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:06:13,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:06:13,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:06:13,222 INFO L87 Difference]: Start difference. First operand 5399 states and 8017 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-23 02:06:16,631 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 [] [2021-11-23 02:06:46,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:46,829 INFO L93 Difference]: Finished difference Result 21523 states and 31998 transitions. [2021-11-23 02:06:46,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 02:06:46,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2021-11-23 02:06:46,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:46,980 INFO L225 Difference]: With dead ends: 21523 [2021-11-23 02:06:46,980 INFO L226 Difference]: Without dead ends: 16128 [2021-11-23 02:06:47,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:06:47,018 INFO L933 BasicCegarLoop]: 11272 mSDtfsCounter, 8221 mSDsluCounter, 63115 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 713 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8232 SdHoareTripleChecker+Valid, 74387 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:06:47,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8232 Valid, 74387 Invalid, 2004 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [713 Valid, 1290 Invalid, 1 Unknown, 0 Unchecked, 31.5s Time] [2021-11-23 02:06:47,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16128 states. [2021-11-23 02:06:48,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16128 to 16102. [2021-11-23 02:06:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16102 states, 11791 states have (on average 1.3966584683232974) internal successors, (16468), 12281 states have internal predecessors, (16468), 3731 states have call successors, (3731), 578 states have call predecessors, (3731), 579 states have return successors, (3736), 3608 states have call predecessors, (3736), 3729 states have call successors, (3736) [2021-11-23 02:06:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16102 states to 16102 states and 23935 transitions. [2021-11-23 02:06:48,263 INFO L78 Accepts]: Start accepts. Automaton has 16102 states and 23935 transitions. Word has length 61 [2021-11-23 02:06:48,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:06:48,264 INFO L470 AbstractCegarLoop]: Abstraction has 16102 states and 23935 transitions. [2021-11-23 02:06:48,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-23 02:06:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 16102 states and 23935 transitions. [2021-11-23 02:06:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 02:06:48,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:06:48,274 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] [2021-11-23 02:06:48,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:06:48,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:06:48,488 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:06:48,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:06:48,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1755782664, now seen corresponding path program 1 times [2021-11-23 02:06:48,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:06:48,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585993288] [2021-11-23 02:06:48,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:06:48,490 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:06:48,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:06:48,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:06:48,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 02:06:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:06:49,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1316 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:06:49,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:06:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:50,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:06:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:06:51,461 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:06:51,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585993288] [2021-11-23 02:06:51,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585993288] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:06:51,462 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:06:51,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 02:06:51,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292360130] [2021-11-23 02:06:51,462 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:06:51,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:06:51,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:06:51,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:06:51,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:06:51,464 INFO L87 Difference]: Start difference. First operand 16102 states and 23935 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 02:06:59,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:06:59,296 INFO L93 Difference]: Finished difference Result 33348 states and 50566 transitions. [2021-11-23 02:06:59,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:06:59,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2021-11-23 02:06:59,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:06:59,459 INFO L225 Difference]: With dead ends: 33348 [2021-11-23 02:06:59,460 INFO L226 Difference]: Without dead ends: 25302 [2021-11-23 02:06:59,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:06:59,520 INFO L933 BasicCegarLoop]: 5959 mSDtfsCounter, 5676 mSDsluCounter, 26469 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5946 SdHoareTripleChecker+Valid, 32428 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:06:59,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5946 Valid, 32428 Invalid, 1382 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1084 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-11-23 02:06:59,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25302 states. [2021-11-23 02:07:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25302 to 16111. [2021-11-23 02:07:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16111 states, 11800 states have (on average 1.3963559322033898) internal successors, (16477), 12290 states have internal predecessors, (16477), 3731 states have call successors, (3731), 578 states have call predecessors, (3731), 579 states have return successors, (3736), 3608 states have call predecessors, (3736), 3729 states have call successors, (3736) [2021-11-23 02:07:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16111 states to 16111 states and 23944 transitions. [2021-11-23 02:07:01,006 INFO L78 Accepts]: Start accepts. Automaton has 16111 states and 23944 transitions. Word has length 61 [2021-11-23 02:07:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:07:01,008 INFO L470 AbstractCegarLoop]: Abstraction has 16111 states and 23944 transitions. [2021-11-23 02:07:01,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-23 02:07:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 16111 states and 23944 transitions. [2021-11-23 02:07:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 02:07:01,020 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:07:01,020 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] [2021-11-23 02:07:01,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:07:01,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:07:01,244 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:07:01,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:07:01,245 INFO L85 PathProgramCache]: Analyzing trace with hash -205695727, now seen corresponding path program 1 times [2021-11-23 02:07:01,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:07:01,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470567081] [2021-11-23 02:07:01,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:07:01,247 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:07:01,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:07:01,249 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:07:01,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 02:07:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:07:02,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:07:02,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:07:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:07:04,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:07:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:07:05,766 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:07:05,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470567081] [2021-11-23 02:07:05,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1470567081] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:07:05,766 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:07:05,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-23 02:07:05,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607137815] [2021-11-23 02:07:05,767 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:07:05,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:07:05,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:07:05,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:07:05,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:07:05,768 INFO L87 Difference]: Start difference. First operand 16111 states and 23944 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-23 02:07:10,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:07:10,266 INFO L93 Difference]: Finished difference Result 32011 states and 47780 transitions. [2021-11-23 02:07:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:07:10,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2021-11-23 02:07:10,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:07:10,353 INFO L225 Difference]: With dead ends: 32011 [2021-11-23 02:07:10,353 INFO L226 Difference]: Without dead ends: 15991 [2021-11-23 02:07:10,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:07:10,414 INFO L933 BasicCegarLoop]: 3829 mSDtfsCounter, 6516 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6516 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1332 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:07:10,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6516 Valid, 3829 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1332 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 02:07:10,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15991 states. [2021-11-23 02:07:11,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15991 to 15991. [2021-11-23 02:07:11,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15991 states, 11698 states have (on average 1.3523679261412207) internal successors, (15820), 12182 states have internal predecessors, (15820), 3719 states have call successors, (3719), 572 states have call predecessors, (3719), 573 states have return successors, (3724), 3596 states have call predecessors, (3724), 3717 states have call successors, (3724) [2021-11-23 02:07:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15991 states to 15991 states and 23263 transitions. [2021-11-23 02:07:11,460 INFO L78 Accepts]: Start accepts. Automaton has 15991 states and 23263 transitions. Word has length 65 [2021-11-23 02:07:11,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:07:11,461 INFO L470 AbstractCegarLoop]: Abstraction has 15991 states and 23263 transitions. [2021-11-23 02:07:11,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-23 02:07:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 15991 states and 23263 transitions. [2021-11-23 02:07:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 02:07:11,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:07:11,473 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] [2021-11-23 02:07:11,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:07:11,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:07:11,696 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:07:11,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:07:11,697 INFO L85 PathProgramCache]: Analyzing trace with hash -143656113, now seen corresponding path program 1 times [2021-11-23 02:07:11,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:07:11,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1311564765] [2021-11-23 02:07:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:07:11,699 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:07:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:07:11,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:07:11,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 02:07:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:07:13,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:07:13,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:07:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:07:14,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:07:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:07:16,662 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:07:16,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1311564765] [2021-11-23 02:07:16,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1311564765] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:07:16,662 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:07:16,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 4 [2021-11-23 02:07:16,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367309602] [2021-11-23 02:07:16,663 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:07:16,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:07:16,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:07:16,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:07:16,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:07:16,664 INFO L87 Difference]: Start difference. First operand 15991 states and 23263 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:07:18,948 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 [] [2021-11-23 02:08:05,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:08:05,872 INFO L93 Difference]: Finished difference Result 16007 states and 23277 transitions. [2021-11-23 02:08:05,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:08:05,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2021-11-23 02:08:05,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:08:05,923 INFO L225 Difference]: With dead ends: 16007 [2021-11-23 02:08:05,923 INFO L226 Difference]: Without dead ends: 10687 [2021-11-23 02:08:05,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:08:05,943 INFO L933 BasicCegarLoop]: 7788 mSDtfsCounter, 7743 mSDsluCounter, 5294 mSDsCounter, 0 mSdLazyCounter, 2508 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7743 SdHoareTripleChecker+Valid, 13082 SdHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2508 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:08:05,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7743 Valid, 13082 Invalid, 2511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2508 Invalid, 1 Unknown, 0 Unchecked, 48.7s Time] [2021-11-23 02:08:05,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2021-11-23 02:08:06,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10679. [2021-11-23 02:08:06,525 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) [2021-11-23 02:08:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15529 transitions. [2021-11-23 02:08:06,744 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15529 transitions. Word has length 65 [2021-11-23 02:08:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:08:06,747 INFO L470 AbstractCegarLoop]: Abstraction has 10679 states and 15529 transitions. [2021-11-23 02:08:06,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:08:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15529 transitions. [2021-11-23 02:08:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 02:08:06,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:08:06,761 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] [2021-11-23 02:08:06,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-23 02:08:06,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:08:06,979 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:08:06,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:08:06,980 INFO L85 PathProgramCache]: Analyzing trace with hash 49835295, now seen corresponding path program 1 times [2021-11-23 02:08:06,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:08:06,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861598254] [2021-11-23 02:08:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:08:06,982 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:08:06,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:08:06,982 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:08:06,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-23 02:08:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:08:08,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1340 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:08:08,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:08:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:08:10,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:08:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:08:11,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:08:11,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861598254] [2021-11-23 02:08:11,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861598254] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:08:11,641 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:08:11,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-23 02:08:11,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958321114] [2021-11-23 02:08:11,641 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:08:11,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:08:11,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:08:11,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:08:11,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:08:11,642 INFO L87 Difference]: Start difference. First operand 10679 states and 15529 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-23 02:09:16,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:16,046 INFO L93 Difference]: Finished difference Result 26467 states and 38520 transitions. [2021-11-23 02:09:16,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:09:16,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 73 [2021-11-23 02:09:16,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:16,125 INFO L225 Difference]: With dead ends: 26467 [2021-11-23 02:09:16,126 INFO L226 Difference]: Without dead ends: 15942 [2021-11-23 02:09:16,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:09:16,159 INFO L933 BasicCegarLoop]: 7801 mSDtfsCounter, 7767 mSDsluCounter, 7969 mSDsCounter, 0 mSdLazyCounter, 3746 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7767 SdHoareTripleChecker+Valid, 15770 SdHoareTripleChecker+Invalid, 3753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:16,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7767 Valid, 15770 Invalid, 3753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 3746 Invalid, 0 Unknown, 0 Unchecked, 63.5s Time] [2021-11-23 02:09:16,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15942 states. [2021-11-23 02:09:17,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15942 to 15934. [2021-11-23 02:09:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15934 states, 11656 states have (on average 1.3522649279341112) internal successors, (15762), 12137 states have internal predecessors, (15762), 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) [2021-11-23 02:09:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15934 states to 15934 states and 23179 transitions. [2021-11-23 02:09:17,301 INFO L78 Accepts]: Start accepts. Automaton has 15934 states and 23179 transitions. Word has length 73 [2021-11-23 02:09:17,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:17,302 INFO L470 AbstractCegarLoop]: Abstraction has 15934 states and 23179 transitions. [2021-11-23 02:09:17,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-23 02:09:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15934 states and 23179 transitions. [2021-11-23 02:09:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 02:09:17,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:17,317 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] [2021-11-23 02:09:17,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-23 02:09:17,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:09:17,535 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:09:17,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:17,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1405702881, now seen corresponding path program 1 times [2021-11-23 02:09:17,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:09:17,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153065443] [2021-11-23 02:09:17,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:17,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:09:17,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:09:17,540 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:09:17,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-23 02:09:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:18,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 1377 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 02:09:18,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:09:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:09:20,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:09:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:09:21,626 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:09:21,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153065443] [2021-11-23 02:09:21,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153065443] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:21,627 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:21,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 02:09:21,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462269449] [2021-11-23 02:09:21,627 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:21,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:09:21,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:09:21,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:09:21,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:09:21,628 INFO L87 Difference]: Start difference. First operand 15934 states and 23179 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-23 02:09:27,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:27,250 INFO L93 Difference]: Finished difference Result 43494 states and 64353 transitions. [2021-11-23 02:09:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:09:27,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 77 [2021-11-23 02:09:27,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:27,386 INFO L225 Difference]: With dead ends: 43494 [2021-11-23 02:09:27,386 INFO L226 Difference]: Without dead ends: 27726 [2021-11-23 02:09:27,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:09:27,438 INFO L933 BasicCegarLoop]: 4516 mSDtfsCounter, 2099 mSDsluCounter, 8463 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 12979 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:27,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2606 Valid, 12979 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-23 02:09:27,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27726 states. [2021-11-23 02:09:29,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27726 to 27706. [2021-11-23 02:09:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27706 states, 20524 states have (on average 1.3693237185733775) internal successors, (28104), 21365 states have internal predecessors, (28104), 6611 states have call successors, (6611), 570 states have call predecessors, (6611), 570 states have return successors, (6622), 6427 states have call predecessors, (6622), 6609 states have call successors, (6622) [2021-11-23 02:09:29,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27706 states to 27706 states and 41337 transitions. [2021-11-23 02:09:29,375 INFO L78 Accepts]: Start accepts. Automaton has 27706 states and 41337 transitions. Word has length 77 [2021-11-23 02:09:29,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:29,376 INFO L470 AbstractCegarLoop]: Abstraction has 27706 states and 41337 transitions. [2021-11-23 02:09:29,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-23 02:09:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 27706 states and 41337 transitions. [2021-11-23 02:09:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 02:09:29,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:29,410 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] [2021-11-23 02:09:29,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-23 02:09:29,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:09:29,632 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:09:29,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:29,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1461524583, now seen corresponding path program 1 times [2021-11-23 02:09:29,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:09:29,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200552916] [2021-11-23 02:09:29,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:29,634 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:09:29,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:09:29,636 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:09:29,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 02:10:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:10:06,972 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:10:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:10:27,663 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-23 02:10:27,663 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:10:27,665 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:10:27,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 02:10:27,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:10:27,891 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:10:27,895 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:10:28,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:10:28 BoogieIcfgContainer [2021-11-23 02:10:28,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:10:28,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:10:28,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:10:28,142 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:10:28,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:58" (3/4) ... [2021-11-23 02:10:28,145 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:10:28,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:10:28,146 INFO L158 Benchmark]: Toolchain (without parser) took 374327.27ms. Allocated memory was 62.9MB in the beginning and 1.2GB in the end (delta: 1.2GB). Free memory was 26.3MB in the beginning and 253.1MB in the end (delta: -226.8MB). Peak memory consumption was 942.8MB. Max. memory is 16.1GB. [2021-11-23 02:10:28,147 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:10:28,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5637.85ms. Allocated memory was 62.9MB in the beginning and 278.9MB in the end (delta: 216.0MB). Free memory was 26.0MB in the beginning and 89.2MB in the end (delta: -63.2MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. [2021-11-23 02:10:28,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 384.53ms. Allocated memory is still 278.9MB. Free memory was 89.2MB in the beginning and 165.3MB in the end (delta: -76.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 02:10:28,148 INFO L158 Benchmark]: Boogie Preprocessor took 421.09ms. Allocated memory is still 278.9MB. Free memory was 165.3MB in the beginning and 112.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-23 02:10:28,148 INFO L158 Benchmark]: RCFGBuilder took 97936.18ms. Allocated memory was 278.9MB in the beginning and 1.0GB in the end (delta: 746.6MB). Free memory was 112.9MB in the beginning and 399.8MB in the end (delta: -287.0MB). Peak memory consumption was 583.3MB. Max. memory is 16.1GB. [2021-11-23 02:10:28,149 INFO L158 Benchmark]: TraceAbstraction took 269936.60ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 205.5MB). Free memory was 399.8MB in the beginning and 253.1MB in the end (delta: 146.7MB). Peak memory consumption was 351.2MB. Max. memory is 16.1GB. [2021-11-23 02:10:28,150 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 1.2GB. Free memory is still 253.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:10:28,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5637.85ms. Allocated memory was 62.9MB in the beginning and 278.9MB in the end (delta: 216.0MB). Free memory was 26.0MB in the beginning and 89.2MB in the end (delta: -63.2MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 384.53ms. Allocated memory is still 278.9MB. Free memory was 89.2MB in the beginning and 165.3MB in the end (delta: -76.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 421.09ms. Allocated memory is still 278.9MB. Free memory was 165.3MB in the beginning and 112.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * RCFGBuilder took 97936.18ms. Allocated memory was 278.9MB in the beginning and 1.0GB in the end (delta: 746.6MB). Free memory was 112.9MB in the beginning and 399.8MB in the end (delta: -287.0MB). Peak memory consumption was 583.3MB. Max. memory is 16.1GB. * TraceAbstraction took 269936.60ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 205.5MB). Free memory was 399.8MB in the beginning and 253.1MB in the end (delta: 146.7MB). Peak memory consumption was 351.2MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 1.2GB. Free memory is still 253.1MB. 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, debug_level=0, default_params={193:0}, dev={0:4611686018444165120}, dev={0:4611686018444165120}, 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={0:4611686018427387904}, 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={0:4611686018444167680}, __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={0:4611686018427387904}, debug_level=0, default_params={193:0}, dev={0:4611686018444165120}, dev={0:4611686018444165120}, 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={0:4611686018444167680}, __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={0:4611686018427387904}, debug_level=0, default_params={193:0}, dev={0:4611686018444165120}, dev={0:4611686018444165120}, 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={0:4611686018444167680}, 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={0:4611686018427387904}, debug_level=0, default_params={193:0}, dev={0:4611686018444165120}, dev={0:4611686018444165120}, dev_to_hdlc(dev)={0:4611686018444167680}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, module={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, module={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, module={0:4611686018427387904}, 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={0:4611686018427387904}, debug_level=0, default_params={193:0}, dev={0:4611686018444165120}, dev={0:4611686018444165120}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:4194304}, 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={0:4611686018444167680}, 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={0:4611686018427387904}, debug_level=0, default_params={193:0}, dev={0:4611686018444165120}, dev={0:4611686018444165120}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:4194304}, 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={0:4611686018444167680}, 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=-2147483648, __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={0:4611686018427387904}, debug_level=0, default_params={193:0}, dev={0:4611686018444165120}, dev={0:4611686018444165120}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:4194304}, 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=2147483648, 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={0:4611686018444167680}, 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={0:4611686018427387904}, 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=2147483648, 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={0:4611686018444165120}] [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={0:4611686018427387904}, 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=2147483648, 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={0:4611686018444165120}] [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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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={0:4611686018427387904}, 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: 269.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 167.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 42831 SdHoareTripleChecker+Valid, 159.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42043 mSDsluCounter, 182457 SdHoareTripleChecker+Invalid, 152.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 131422 mSDsCounter, 3146 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8213 IncrementalHoareTripleChecker+Invalid, 11361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3146 mSolverCounterUnsat, 51035 mSDtfsCounter, 8213 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 939 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27706occurred in iteration=8, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 9256 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 42.5s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 930 ConstructedInterpolants, 0 QuantifiedInterpolants, 1959 SizeOfPredicates, 9 NumberOfNonLiveVariables, 10327 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 [2021-11-23 02:10:28,396 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 02:10:28,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b38c21-b25c-42fd-b95a-9e3f052510b3/bin/utaipan-EQgc7hIp5V/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