./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:11:20,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:11:20,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:11:20,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:11:20,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:11:20,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:11:20,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:11:20,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:11:20,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:11:20,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:11:20,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:11:20,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:11:20,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:11:20,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:11:20,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:11:20,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:11:20,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:11:20,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:11:20,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:11:20,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:11:20,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:11:20,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:11:20,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:11:20,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:11:20,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:11:20,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:11:20,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:11:20,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:11:20,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:11:20,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:11:20,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:11:20,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:11:20,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:11:20,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:11:20,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:11:20,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:11:20,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:11:20,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:11:20,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:11:20,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:11:20,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:11:20,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:11:21,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:11:21,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:11:21,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:11:21,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:11:21,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:11:21,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:11:21,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:11:21,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:11:21,015 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:11:21,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:11:21,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:11:21,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:11:21,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:11:21,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:11:21,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:11:21,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:11:21,016 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:11:21,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:11:21,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:11:21,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:11:21,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:11:21,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:11:21,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:11:21,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:11:21,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:11:21,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:11:21,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:11:21,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:11:21,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:11:21,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:11:21,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:11:21,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-12-14 17:11:21,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:11:21,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:11:21,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:11:21,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:11:21,256 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:11:21,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-12-14 17:11:21,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50eb8a379/0c32ee3494444dd4bdc432609dfb6634/FLAGac4d205f7 [2021-12-14 17:11:21,960 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:11:21,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-12-14 17:11:22,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50eb8a379/0c32ee3494444dd4bdc432609dfb6634/FLAGac4d205f7 [2021-12-14 17:11:22,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50eb8a379/0c32ee3494444dd4bdc432609dfb6634 [2021-12-14 17:11:22,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:11:22,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:11:22,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:11:22,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:11:22,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:11:22,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:11:22" (1/1) ... [2021-12-14 17:11:22,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519193be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:22, skipping insertion in model container [2021-12-14 17:11:22,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:11:22" (1/1) ... [2021-12-14 17:11:22,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:11:22,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:11:24,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-12-14 17:11:24,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:11:24,240 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:11:24,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-12-14 17:11:24,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:11:24,833 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:11:24,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24 WrapperNode [2021-12-14 17:11:24,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:11:24,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:11:24,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:11:24,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:11:24,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:24,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,169 INFO L137 Inliner]: procedures = 343, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8311 [2021-12-14 17:11:25,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:11:25,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:11:25,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:11:25,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:11:25,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:11:25,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:11:25,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:11:25,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:11:25,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (1/1) ... [2021-12-14 17:11:25,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:11:25,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:11:25,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:11:25,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:11:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-14 17:11:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-14 17:11:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-14 17:11:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:11:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:11:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 17:11:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 17:11:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 17:11:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 17:11:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 17:11:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 17:11:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-14 17:11:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-14 17:11:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:11:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:11:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-14 17:11:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-14 17:11:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-14 17:11:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-14 17:11:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-14 17:11:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-14 17:11:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:11:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:11:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-14 17:11:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-14 17:11:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-14 17:11:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-14 17:11:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 17:11:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 17:11:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 17:11:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 17:11:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:11:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:11:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 17:11:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 17:11:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-12-14 17:11:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-12-14 17:11:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-14 17:11:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-14 17:11:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-14 17:11:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-14 17:11:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-14 17:11:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-14 17:11:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 17:11:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 17:11:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:11:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:11:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-14 17:11:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-14 17:11:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:11:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 17:11:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-14 17:11:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-14 17:11:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:11:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-12-14 17:11:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-12-14 17:11:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-14 17:11:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-14 17:11:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-14 17:11:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-14 17:11:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:11:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:11:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-14 17:11:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-14 17:11:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:11:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:11:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-14 17:11:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-14 17:11:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-12-14 17:11:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-12-14 17:11:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 17:11:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 17:11:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-12-14 17:11:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-12-14 17:11:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-14 17:11:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-14 17:11:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-14 17:11:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-14 17:11:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:11:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:11:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 17:11:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 17:11:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:11:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:11:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-14 17:11:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-14 17:11:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 17:11:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 17:11:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-14 17:11:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-14 17:11:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:11:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:11:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-14 17:11:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-14 17:11:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-12-14 17:11:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-12-14 17:11:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-12-14 17:11:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-12-14 17:11:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:11:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 17:11:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 17:11:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-12-14 17:11:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-12-14 17:11:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-12-14 17:11:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-12-14 17:11:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:11:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:11:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-12-14 17:11:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-12-14 17:11:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:11:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:11:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-12-14 17:11:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-12-14 17:11:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:11:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-14 17:11:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-14 17:11:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-14 17:11:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-14 17:11:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-12-14 17:11:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-12-14 17:11:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:11:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 17:11:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 17:11:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 17:11:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 17:11:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-14 17:11:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-14 17:11:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-14 17:11:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-14 17:11:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 17:11:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 17:11:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:11:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:11:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-14 17:11:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-14 17:11:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 17:11:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 17:11:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:11:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:11:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-12-14 17:11:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-12-14 17:11:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-12-14 17:11:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-12-14 17:11:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-14 17:11:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-14 17:11:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 17:11:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 17:11:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:11:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 17:11:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 17:11:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-14 17:11:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-14 17:11:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-12-14 17:11:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-12-14 17:11:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-12-14 17:11:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-12-14 17:11:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-14 17:11:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-14 17:11:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-12-14 17:11:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-12-14 17:11:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:11:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-14 17:11:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-14 17:11:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 17:11:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 17:11:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:11:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-14 17:11:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-14 17:11:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-14 17:11:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-14 17:11:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:11:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:11:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-12-14 17:11:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-12-14 17:11:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-14 17:11:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-14 17:11:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 17:11:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 17:11:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-12-14 17:11:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-12-14 17:11:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:11:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:11:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-12-14 17:11:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-12-14 17:11:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-14 17:11:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-14 17:11:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-14 17:11:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-14 17:11:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:11:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:11:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-14 17:11:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-14 17:11:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:11:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:11:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-12-14 17:11:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-12-14 17:11:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 17:11:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 17:11:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-12-14 17:11:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-12-14 17:11:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-14 17:11:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-14 17:11:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 17:11:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 17:11:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:11:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-14 17:11:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-14 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-14 17:11:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-14 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-12-14 17:11:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-12-14 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-14 17:11:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-14 17:11:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:11:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:11:26,360 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:11:26,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:11:26,536 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:26,564 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-14 17:11:26,565 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-14 17:11:26,679 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-14 17:11:26,680 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-14 17:11:27,128 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:27,211 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-12-14 17:11:27,211 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-12-14 17:11:27,388 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:27,390 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:27,481 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-12-14 17:11:27,481 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-12-14 17:11:27,481 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2021-12-14 17:11:27,481 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2021-12-14 17:11:27,640 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:41,428 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 [2021-12-14 17:11:41,428 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; [2021-12-14 17:11:41,428 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 [2021-12-14 17:11:41,428 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; [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-12-14 17:11:41,429 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; [2021-12-14 17:11:41,429 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 [2021-12-14 17:11:41,429 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2021-12-14 17:11:41,430 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; [2021-12-14 17:11:41,430 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 [2021-12-14 17:11:41,430 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 [2021-12-14 17:11:41,430 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; [2021-12-14 17:11:41,430 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 [2021-12-14 17:11:41,430 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; [2021-12-14 17:11:41,430 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 [2021-12-14 17:11:41,430 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; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2021-12-14 17:11:41,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2021-12-14 17:11:41,430 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 [2021-12-14 17:11:41,431 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; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2021-12-14 17:11:41,431 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2021-12-14 17:11:41,556 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:41,558 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:41,562 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:41,562 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:41,563 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-14 17:11:50,027 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; [2021-12-14 17:11:50,027 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-12-14 17:11:50,027 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2021-12-14 17:11:50,028 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 [2021-12-14 17:11:50,028 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; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2021-12-14 17:11:50,028 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; [2021-12-14 17:11:50,028 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 [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2021-12-14 17:11:50,028 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2021-12-14 17:11:50,141 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:11:50,156 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:11:50,157 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-14 17:11:50,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:11:50 BoogieIcfgContainer [2021-12-14 17:11:50,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:11:50,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:11:50,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:11:50,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:11:50,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:11:22" (1/3) ... [2021-12-14 17:11:50,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55388647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:11:50, skipping insertion in model container [2021-12-14 17:11:50,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:11:24" (2/3) ... [2021-12-14 17:11:50,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55388647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:11:50, skipping insertion in model container [2021-12-14 17:11:50,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:11:50" (3/3) ... [2021-12-14 17:11:50,167 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-12-14 17:11:50,172 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:11:50,172 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:11:50,223 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:11:50,229 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:11:50,229 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:11:50,285 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) [2021-12-14 17:11:50,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-14 17:11:50,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:11:50,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:11:50,292 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:11:50,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:11:50,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2021-12-14 17:11:50,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:11:50,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123292266] [2021-12-14 17:11:50,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:11:50,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:11:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:11:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:11:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:11:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:11:50,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:11:50,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123292266] [2021-12-14 17:11:50,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123292266] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:11:50,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:11:50,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 17:11:50,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374030335] [2021-12-14 17:11:50,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:11:50,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 17:11:50,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:11:50,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 17:11:50,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 17:11:50,812 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 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-14 17:11:55,337 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 [] [2021-12-14 17:11:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:11:59,943 INFO L93 Difference]: Finished difference Result 8239 states and 12424 transitions. [2021-12-14 17:11:59,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:11:59,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-12-14 17:11:59,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:11:59,982 INFO L225 Difference]: With dead ends: 8239 [2021-12-14 17:11:59,982 INFO L226 Difference]: Without dead ends: 5516 [2021-12-14 17:12:00,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:12:00,006 INFO L933 BasicCegarLoop]: 5336 mSDtfsCounter, 5343 mSDsluCounter, 4500 mSDsCounter, 0 mSdLazyCounter, 2740 mSolverCounterSat, 1788 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5965 SdHoareTripleChecker+Valid, 9836 SdHoareTripleChecker+Invalid, 4529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-14 17:12:00,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5965 Valid, 9836 Invalid, 4529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1788 Valid, 2740 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2021-12-14 17:12:00,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5516 states. [2021-12-14 17:12:00,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5516 to 5399. [2021-12-14 17:12:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.396865520728008) internal successors, (5526), 4121 states have internal predecessors, (5526), 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) [2021-12-14 17:12:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8020 transitions. [2021-12-14 17:12:00,295 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8020 transitions. Word has length 17 [2021-12-14 17:12:00,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:12:00,296 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 8020 transitions. [2021-12-14 17:12:00,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-14 17:12:00,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8020 transitions. [2021-12-14 17:12:00,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-14 17:12:00,307 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:12:00,308 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] [2021-12-14 17:12:00,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:12:00,308 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:12:00,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:12:00,310 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2021-12-14 17:12:00,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:12:00,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342441990] [2021-12-14 17:12:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:12:00,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:12:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:12:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:12:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:12:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:12:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:12:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:12:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:12:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 17:12:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:12:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:12:00,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:12:00,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342441990] [2021-12-14 17:12:00,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342441990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:12:00,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:12:00,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:12:00,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433532525] [2021-12-14 17:12:00,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:12:00,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:12:00,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:12:00,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:12:00,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:12:00,504 INFO L87 Difference]: Start difference. First operand 5399 states and 8020 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-14 17:12:02,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:12:07,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:12:10,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:12:13,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:12:15,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:12:17,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:12:21,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:12:23,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:12:25,593 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 []