./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 03:25:16,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:25:16,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:25:16,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:25:16,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:25:16,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:25:16,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:25:16,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:25:16,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:25:16,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:25:16,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:25:16,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:25:16,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:25:16,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:25:16,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:25:16,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:25:16,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:25:16,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:25:16,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:25:16,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:25:16,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:25:16,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:25:16,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:25:16,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:25:16,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:25:16,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:25:16,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:25:16,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:25:16,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:25:16,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:25:16,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:25:16,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:25:16,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:25:16,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:25:16,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:25:16,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:25:16,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:25:16,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:25:16,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:25:16,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:25:16,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:25:16,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:25:16,659 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:25:16,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:25:16,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:25:16,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:25:16,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:25:16,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:25:16,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:25:16,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:25:16,662 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:25:16,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:25:16,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:25:16,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:25:16,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:25:16,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:25:16,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:25:16,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:25:16,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:25:16,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:25:16,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:25:16,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:25:16,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:25:16,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:25:16,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:25:16,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:25:16,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:25:16,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:25:16,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:25:16,666 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:25:16,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:25:16,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:25:16,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:25:16,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-12-16 03:25:16,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:25:16,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:25:16,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:25:16,952 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:25:16,952 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:25:16,953 INFO L432 ainManager$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 [2021-12-16 03:25:16,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79ff6fb20/7d8369edf5a849c6a8c1e561c4090be4/FLAG278a19557 [2021-12-16 03:25:17,756 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:25:17,757 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 [2021-12-16 03:25:17,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79ff6fb20/7d8369edf5a849c6a8c1e561c4090be4/FLAG278a19557 [2021-12-16 03:25:18,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79ff6fb20/7d8369edf5a849c6a8c1e561c4090be4 [2021-12-16 03:25:18,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:25:18,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:25:18,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:25:18,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:25:18,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:25:18,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:25:18" (1/1) ... [2021-12-16 03:25:18,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f47dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:18, skipping insertion in model container [2021-12-16 03:25:18,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:25:18" (1/1) ... [2021-12-16 03:25:18,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:25:18,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:25:20,712 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] [2021-12-16 03:25:20,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:25:20,801 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:25:21,282 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] [2021-12-16 03:25:21,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:25:21,656 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:25:21,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21 WrapperNode [2021-12-16 03:25:21,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:25:21,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:25:21,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:25:21,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:25:21,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:21,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,074 INFO L137 Inliner]: procedures = 343, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8311 [2021-12-16 03:25:22,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:25:22,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:25:22,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:25:22,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:25:22,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:25:22,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:25:22,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:25:22,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:25:22,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:22,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:25:22,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:25:22,613 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) [2021-12-16 03:25:22,671 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 [2021-12-16 03:25:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-16 03:25:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-16 03:25:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-16 03:25:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 03:25:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:25:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 03:25:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 03:25:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 03:25:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 03:25:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 03:25:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 03:25:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-16 03:25:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-16 03:25:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 03:25:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 03:25:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-16 03:25:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-16 03:25:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-16 03:25:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-16 03:25:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-16 03:25:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-16 03:25:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 03:25:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 03:25:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-16 03:25:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-16 03:25:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-16 03:25:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-16 03:25:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-16 03:25:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-16 03:25:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 03:25:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 03:25:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 03:25:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 03:25:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 03:25:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 03:25:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-12-16 03:25:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-12-16 03:25:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-16 03:25:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-16 03:25:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-16 03:25:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-16 03:25:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-16 03:25:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-16 03:25:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-16 03:25:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-16 03:25:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 03:25:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 03:25:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-16 03:25:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-16 03:25:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:25:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-16 03:25:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-16 03:25:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-16 03:25:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:25:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-12-16 03:25:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-12-16 03:25:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-16 03:25:22,712 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-16 03:25:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-16 03:25:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-16 03:25:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 03:25:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 03:25:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-16 03:25:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-16 03:25:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:25:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:25:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-16 03:25:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-16 03:25:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-12-16 03:25:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-12-16 03:25:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-16 03:25:22,715 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-16 03:25:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-12-16 03:25:22,715 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-12-16 03:25:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-16 03:25:22,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-16 03:25:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-16 03:25:22,715 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-16 03:25:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 03:25:22,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 03:25:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 03:25:22,716 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 03:25:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 03:25:22,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 03:25:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-16 03:25:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-16 03:25:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 03:25:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 03:25:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-16 03:25:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-16 03:25:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 03:25:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 03:25:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-16 03:25:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-16 03:25:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-12-16 03:25:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-12-16 03:25:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-12-16 03:25:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-12-16 03:25:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 03:25:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-16 03:25:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-16 03:25:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-12-16 03:25:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-12-16 03:25:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-12-16 03:25:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-12-16 03:25:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 03:25:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 03:25:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-12-16 03:25:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-12-16 03:25:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 03:25:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 03:25:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-12-16 03:25:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-12-16 03:25:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 03:25:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-16 03:25:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-16 03:25:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-16 03:25:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-16 03:25:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-12-16 03:25:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-12-16 03:25:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:25:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 03:25:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 03:25:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 03:25:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 03:25:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-16 03:25:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-16 03:25:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-16 03:25:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-16 03:25:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 03:25:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 03:25:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 03:25:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 03:25:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-16 03:25:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-16 03:25:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 03:25:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 03:25:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 03:25:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 03:25:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-12-16 03:25:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-12-16 03:25:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-12-16 03:25:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-12-16 03:25:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-16 03:25:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-16 03:25:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 03:25:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 03:25:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:25:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 03:25:22,735 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 03:25:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-16 03:25:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-16 03:25:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-12-16 03:25:22,736 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-12-16 03:25:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-12-16 03:25:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-12-16 03:25:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-16 03:25:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-16 03:25:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-12-16 03:25:22,737 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-12-16 03:25:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:25:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-16 03:25:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-16 03:25:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 03:25:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 03:25:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:25:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-16 03:25:22,738 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-16 03:25:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-16 03:25:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-16 03:25:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:25:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 03:25:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-12-16 03:25:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-12-16 03:25:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-16 03:25:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-16 03:25:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 03:25:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 03:25:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-12-16 03:25:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-12-16 03:25:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 03:25:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 03:25:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-12-16 03:25:22,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-12-16 03:25:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-16 03:25:22,741 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-16 03:25:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-16 03:25:22,741 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-16 03:25:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 03:25:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 03:25:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-16 03:25:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-16 03:25:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 03:25:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 03:25:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-12-16 03:25:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-12-16 03:25:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 03:25:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 03:25:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-12-16 03:25:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-12-16 03:25:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-16 03:25:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-16 03:25:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 03:25:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 03:25:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:25:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-16 03:25:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-16 03:25:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-16 03:25:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-16 03:25:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-12-16 03:25:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-12-16 03:25:22,745 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-16 03:25:22,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-16 03:25:22,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:25:22,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:25:23,663 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:25:23,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:25:23,921 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:23,967 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-16 03:25:23,968 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-16 03:25:24,125 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-16 03:25:24,125 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-16 03:25:26,690 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:26,815 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-12-16 03:25:26,815 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-12-16 03:25:27,058 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:27,060 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:27,232 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-12-16 03:25:27,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-12-16 03:25:27,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2021-12-16 03:25:27,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2021-12-16 03:25:27,459 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:41,950 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 [2021-12-16 03:25:41,950 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; [2021-12-16 03:25:41,950 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 [2021-12-16 03:25:41,950 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; [2021-12-16 03:25:41,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-12-16 03:25:41,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-12-16 03:25:41,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-12-16 03:25:41,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-12-16 03:25:41,950 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-12-16 03:25:41,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-12-16 03:25:41,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-12-16 03:25:41,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-12-16 03:25:41,951 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; [2021-12-16 03:25:41,951 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 [2021-12-16 03:25:41,951 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2021-12-16 03:25:41,952 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2021-12-16 03:25:41,953 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; [2021-12-16 03:25:41,953 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 [2021-12-16 03:25:41,953 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 [2021-12-16 03:25:41,953 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; [2021-12-16 03:25:41,953 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 [2021-12-16 03:25:41,953 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; [2021-12-16 03:25:41,953 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 [2021-12-16 03:25:41,953 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; [2021-12-16 03:25:41,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-12-16 03:25:41,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-12-16 03:25:41,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-12-16 03:25:41,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-12-16 03:25:41,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-12-16 03:25:41,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2021-12-16 03:25:41,953 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2021-12-16 03:25:41,954 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 [2021-12-16 03:25:41,954 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; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2021-12-16 03:25:41,954 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2021-12-16 03:25:42,098 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:42,103 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:42,121 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:42,121 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:42,122 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:52,192 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; [2021-12-16 03:25:52,192 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2021-12-16 03:25:52,193 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 [2021-12-16 03:25:52,193 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; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2021-12-16 03:25:52,193 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; [2021-12-16 03:25:52,193 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 [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2021-12-16 03:25:52,193 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2021-12-16 03:25:52,194 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2021-12-16 03:25:52,325 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:25:52,352 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:25:52,352 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-16 03:25:52,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:25:52 BoogieIcfgContainer [2021-12-16 03:25:52,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:25:52,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:25:52,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:25:52,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:25:52,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:25:18" (1/3) ... [2021-12-16 03:25:52,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aee76a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:25:52, skipping insertion in model container [2021-12-16 03:25:52,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21" (2/3) ... [2021-12-16 03:25:52,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aee76a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:25:52, skipping insertion in model container [2021-12-16 03:25:52,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:25:52" (3/3) ... [2021-12-16 03:25:52,367 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-12-16 03:25:52,372 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:25:52,372 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:25:52,432 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:25:52,440 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 [2021-12-16 03:25:52,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:25:52,521 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) [2021-12-16 03:25:52,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-16 03:25:52,527 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:52,528 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:25:52,529 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:52,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2021-12-16 03:25:52,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:25:52,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892769407] [2021-12-16 03:25:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:52,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:25:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 03:25:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:25:53,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:25:53,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892769407] [2021-12-16 03:25:53,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892769407] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:25:53,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:25:53,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:25:53,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708306795] [2021-12-16 03:25:53,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:25:53,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:25:53,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:25:53,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:25:53,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:25:53,110 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) [2021-12-16 03:25:57,610 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 [] [2021-12-16 03:26:02,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:26:02,820 INFO L93 Difference]: Finished difference Result 8239 states and 12424 transitions. [2021-12-16 03:26:02,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:26:02,822 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 [2021-12-16 03:26:02,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:26:02,879 INFO L225 Difference]: With dead ends: 8239 [2021-12-16 03:26:02,879 INFO L226 Difference]: Without dead ends: 5516 [2021-12-16 03:26:02,900 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 [2021-12-16 03:26:02,903 INFO L933 BasicCegarLoop]: 5346 mSDtfsCounter, 5341 mSDsluCounter, 4507 mSDsCounter, 0 mSdLazyCounter, 2740 mSolverCounterSat, 1787 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5963 SdHoareTripleChecker+Valid, 9853 SdHoareTripleChecker+Invalid, 4528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1787 IncrementalHoareTripleChecker+Valid, 2740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:26:02,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5963 Valid, 9853 Invalid, 4528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1787 Valid, 2740 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-12-16 03:26:02,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5516 states. [2021-12-16 03:26:03,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5516 to 5399. [2021-12-16 03:26:03,209 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) [2021-12-16 03:26:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8020 transitions. [2021-12-16 03:26:03,253 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8020 transitions. Word has length 17 [2021-12-16 03:26:03,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:26:03,254 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 8020 transitions. [2021-12-16 03:26:03,254 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) [2021-12-16 03:26:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8020 transitions. [2021-12-16 03:26:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-16 03:26:03,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:26:03,269 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] [2021-12-16 03:26:03,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:26:03,270 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:26:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:26:03,272 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2021-12-16 03:26:03,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:26:03,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26144279] [2021-12-16 03:26:03,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:26:03,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:26:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:26:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 03:26:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:26:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:26:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:26:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:26:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:26:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:26:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:26:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:26:03,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:26:03,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26144279] [2021-12-16 03:26:03,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26144279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:26:03,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:26:03,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 03:26:03,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588936320] [2021-12-16 03:26:03,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:26:03,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:26:03,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:26:03,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:26:03,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:26:03,496 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) [2021-12-16 03:26:05,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:26:10,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:26:16,002 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 []