./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.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 4a85e1979f2ca2892c3eccf7e074527de3ab8b870454684fabd77f213c297e21 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:51:18,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:51:18,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:51:18,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:51:18,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:51:18,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:51:18,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:51:18,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:51:18,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:51:18,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:51:18,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:51:18,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:51:18,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:51:18,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:51:18,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:51:18,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:51:18,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:51:18,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:51:18,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:51:18,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:51:18,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:51:18,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:51:18,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:51:18,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:51:18,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:51:18,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:51:18,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:51:18,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:51:18,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:51:18,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:51:18,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:51:18,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:51:18,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:51:18,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:51:18,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:51:18,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:51:18,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:51:18,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:51:18,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:51:18,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:51:18,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:51:18,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:51:18,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:51:18,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:51:18,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:51:18,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:51:18,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:51:18,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:51:18,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:51:18,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:51:18,798 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:51:18,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:51:18,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:51:18,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:51:18,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:51:18,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:51:18,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:51:18,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:51:18,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:51:18,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:51:18,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:51:18,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:51:18,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:51:18,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:51:18,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:51:18,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:51:18,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:51:18,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:51:18,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:51:18,801 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:51:18,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:51:18,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:51:18,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:51:18,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a85e1979f2ca2892c3eccf7e074527de3ab8b870454684fabd77f213c297e21 [2021-12-21 16:51:18,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:51:18,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:51:18,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:51:18,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:51:19,000 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:51:19,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2021-12-21 16:51:19,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8da117b7/7df90cb26aa1438ca1ae007c505b01bb/FLAGd684d7c9f [2021-12-21 16:51:19,561 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:51:19,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2021-12-21 16:51:19,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8da117b7/7df90cb26aa1438ca1ae007c505b01bb/FLAGd684d7c9f [2021-12-21 16:51:19,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8da117b7/7df90cb26aa1438ca1ae007c505b01bb [2021-12-21 16:51:19,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:51:19,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:51:19,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:51:19,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:51:19,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:51:19,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:51:19" (1/1) ... [2021-12-21 16:51:19,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c67af65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:19, skipping insertion in model container [2021-12-21 16:51:19,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:51:19" (1/1) ... [2021-12-21 16:51:19,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:51:19,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:51:21,154 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i[298129,298142] [2021-12-21 16:51:21,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:51:21,247 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:51:21,553 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i[298129,298142] [2021-12-21 16:51:21,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:51:21,654 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:51:21,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21 WrapperNode [2021-12-21 16:51:21,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:51:21,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:51:21,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:51:21,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:51:21,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:21,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:21,855 INFO L137 Inliner]: procedures = 219, calls = 4120, calls flagged for inlining = 76, calls inlined = 73, statements flattened = 6306 [2021-12-21 16:51:21,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:51:21,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:51:21,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:51:21,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:51:21,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:21,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:21,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:21,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:22,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:22,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:22,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:22,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:51:22,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:51:22,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:51:22,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:51:22,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:22,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:51:22,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:51:22,228 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) [2021-12-21 16:51:22,229 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 [2021-12-21 16:51:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_input_flow_control [2021-12-21 16:51:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_input_flow_control [2021-12-21 16:51:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_request_port [2021-12-21 16:51:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_request_port [2021-12-21 16:51:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:51:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:51:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:51:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:51:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:51:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:51:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:51:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:51:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_stop_character [2021-12-21 16:51:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_stop_character [2021-12-21 16:51:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-21 16:51:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-21 16:51:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:51:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:51:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure cls_copy_data_from_queue_to_uart [2021-12-21 16:51:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_copy_data_from_queue_to_uart [2021-12-21 16:51:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:51:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:51:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure neo_enable_receiver [2021-12-21 16:51:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_enable_receiver [2021-12-21 16:51:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-21 16:51:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-21 16:51:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2021-12-21 16:51:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2021-12-21 16:51:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_off [2021-12-21 16:51:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_off [2021-12-21 16:51:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_send_xchar [2021-12-21 16:51:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_send_xchar [2021-12-21 16:51:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-21 16:51:22,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-21 16:51:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 16:51:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 16:51:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_off [2021-12-21 16:51:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_off [2021-12-21 16:51:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2021-12-21 16:51:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2021-12-21 16:51:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:51:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:51:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_stop_rx [2021-12-21 16:51:22,264 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_stop_rx [2021-12-21 16:51:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2021-12-21 16:51:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2021-12-21 16:51:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_modem [2021-12-21 16:51:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_modem [2021-12-21 16:51:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_release_port [2021-12-21 16:51:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_release_port [2021-12-21 16:51:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_type [2021-12-21 16:51:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_type [2021-12-21 16:51:22,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:51:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:51:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:51:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:51:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure cls_param [2021-12-21 16:51:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_param [2021-12-21 16:51:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:51:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:51:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_immediate_char [2021-12-21 16:51:22,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_immediate_char [2021-12-21 16:51:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_queue_to_uart [2021-12-21 16:51:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_queue_to_uart [2021-12-21 16:51:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure cls_intr [2021-12-21 16:51:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_intr [2021-12-21 16:51:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:51:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_uart_port_init [2021-12-21 16:51:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_uart_port_init [2021-12-21 16:51:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure neo_assert_modem_signals [2021-12-21 16:51:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_assert_modem_signals [2021-12-21 16:51:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:51:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure neo_param [2021-12-21 16:51:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_param [2021-12-21 16:51:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:51:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:51:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_uart_to_queue [2021-12-21 16:51:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_uart_to_queue [2021-12-21 16:51:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-21 16:51:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-21 16:51:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:51:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:51:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_remove_one [2021-12-21 16:51:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_remove_one [2021-12-21 16:51:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_close [2021-12-21 16:51:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_close [2021-12-21 16:51:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_set_termios [2021-12-21 16:51:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_set_termios [2021-12-21 16:51:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:51:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 16:51:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 16:51:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:51:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure neo_intr [2021-12-21 16:51:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_intr [2021-12-21 16:51:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_break [2021-12-21 16:51:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_break [2021-12-21 16:51:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:51:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:51:22,271 INFO L130 BoogieDeclarations]: Found specification of procedure cls_clear_break [2021-12-21 16:51:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_clear_break [2021-12-21 16:51:22,271 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_config_port [2021-12-21 16:51:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_config_port [2021-12-21 16:51:22,271 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 16:51:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 16:51:22,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:51:22,271 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_output_flow_control [2021-12-21 16:51:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_output_flow_control [2021-12-21 16:51:22,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-21 16:51:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-21 16:51:22,272 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_dcd_change [2021-12-21 16:51:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_dcd_change [2021-12-21 16:51:22,272 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:51:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:51:22,272 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-21 16:51:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-21 16:51:22,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:51:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_resume [2021-12-21 16:51:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_resume [2021-12-21 16:51:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_error_detected [2021-12-21 16:51:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_error_detected [2021-12-21 16:51:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:51:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_init [2021-12-21 16:51:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_init [2021-12-21 16:51:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_start_character [2021-12-21 16:51:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_start_character [2021-12-21 16:51:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure cls_enable_receiver [2021-12-21 16:51:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_enable_receiver [2021-12-21 16:51:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:51:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:51:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure cls_disable_receiver [2021-12-21 16:51:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_disable_receiver [2021-12-21 16:51:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_immediate_char [2021-12-21 16:51:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_immediate_char [2021-12-21 16:51:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_output_flow_control [2021-12-21 16:51:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_output_flow_control [2021-12-21 16:51:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_stop_character [2021-12-21 16:51:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_stop_character [2021-12-21 16:51:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:51:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:51:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_write [2021-12-21 16:51:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_write [2021-12-21 16:51:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:51:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_io_slot_reset [2021-12-21 16:51:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_io_slot_reset [2021-12-21 16:51:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:51:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:51:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_open [2021-12-21 16:51:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_open [2021-12-21 16:51:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2021-12-21 16:51:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2021-12-21 16:51:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:51:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:51:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_tx_empty [2021-12-21 16:51:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_tx_empty [2021-12-21 16:51:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_get_mctrl [2021-12-21 16:51:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_get_mctrl [2021-12-21 16:51:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:51:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:51:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure neo_pci_posting_flush [2021-12-21 16:51:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_pci_posting_flush [2021-12-21 16:51:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:51:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure cls_get_uart_bytes_left [2021-12-21 16:51:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_get_uart_bytes_left [2021-12-21 16:51:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:51:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:51:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:51:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_input_flow_control [2021-12-21 16:51:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_input_flow_control [2021-12-21 16:51:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 16:51:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 16:51:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:51:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:51:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:51:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_carrier [2021-12-21 16:51:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_carrier [2021-12-21 16:51:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_stop_tx [2021-12-21 16:51:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_stop_tx [2021-12-21 16:51:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:51:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:51:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_isr [2021-12-21 16:51:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_isr [2021-12-21 16:51:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_start_tx [2021-12-21 16:51:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_start_tx [2021-12-21 16:51:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_read [2021-12-21 16:51:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_read [2021-12-21 16:51:22,281 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_break [2021-12-21 16:51:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_break [2021-12-21 16:51:22,281 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_remove_uart_port [2021-12-21 16:51:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_remove_uart_port [2021-12-21 16:51:22,281 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:51:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:51:22,281 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_start_character [2021-12-21 16:51:22,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_start_character [2021-12-21 16:51:22,281 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_init [2021-12-21 16:51:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_init [2021-12-21 16:51:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure cls_assert_modem_signals [2021-12-21 16:51:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_assert_modem_signals [2021-12-21 16:51:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_write [2021-12-21 16:51:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_write [2021-12-21 16:51:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_set_mctrl [2021-12-21 16:51:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_set_mctrl [2021-12-21 16:51:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_tty_break [2021-12-21 16:51:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_tty_break [2021-12-21 16:51:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure jsm_check_queue_flow_control [2021-12-21 16:51:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure jsm_check_queue_flow_control [2021-12-21 16:51:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure cls_parse_modem [2021-12-21 16:51:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_parse_modem [2021-12-21 16:51:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure neo_disable_receiver [2021-12-21 16:51:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_disable_receiver [2021-12-21 16:51:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_read [2021-12-21 16:51:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_read [2021-12-21 16:51:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_write [2021-12-21 16:51:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_write [2021-12-21 16:51:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure neo_clear_break [2021-12-21 16:51:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_clear_break [2021-12-21 16:51:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:51:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-21 16:51:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-21 16:51:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure neo_get_uart_bytes_left [2021-12-21 16:51:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_get_uart_bytes_left [2021-12-21 16:51:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-21 16:51:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-21 16:51:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:51:22,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:51:22,826 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:51:22,831 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:51:22,980 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:51:30,411 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:51:30,424 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:51:30,425 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:51:30,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:51:30 BoogieIcfgContainer [2021-12-21 16:51:30,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:51:30,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:51:30,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:51:30,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:51:30,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:51:19" (1/3) ... [2021-12-21 16:51:30,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c6aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:51:30, skipping insertion in model container [2021-12-21 16:51:30,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21" (2/3) ... [2021-12-21 16:51:30,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c6aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:51:30, skipping insertion in model container [2021-12-21 16:51:30,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:51:30" (3/3) ... [2021-12-21 16:51:30,433 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--serial--jsm--jsm.ko-entry_point.cil.out.i [2021-12-21 16:51:30,437 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:51:30,437 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:51:30,471 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:51:30,476 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 [2021-12-21 16:51:30,476 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:51:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 2498 states, 1750 states have (on average 1.4165714285714286) internal successors, (2479), 1829 states have internal predecessors, (2479), 643 states have call successors, (643), 104 states have call predecessors, (643), 103 states have return successors, (636), 596 states have call predecessors, (636), 636 states have call successors, (636) [2021-12-21 16:51:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-21 16:51:30,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:51:30,525 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] [2021-12-21 16:51:30,526 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:51:30,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:51:30,529 INFO L85 PathProgramCache]: Analyzing trace with hash -655656391, now seen corresponding path program 1 times [2021-12-21 16:51:30,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:51:30,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263801677] [2021-12-21 16:51:30,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:51:30,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:51:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:51:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:31,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:51:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 16:51:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:51:31,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:51:31,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263801677] [2021-12-21 16:51:31,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263801677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:51:31,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:51:31,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:51:31,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131916518] [2021-12-21 16:51:31,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:51:31,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:51:31,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:51:31,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:51:31,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:51:31,080 INFO L87 Difference]: Start difference. First operand has 2498 states, 1750 states have (on average 1.4165714285714286) internal successors, (2479), 1829 states have internal predecessors, (2479), 643 states have call successors, (643), 104 states have call predecessors, (643), 103 states have return successors, (636), 596 states have call predecessors, (636), 636 states have call successors, (636) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 16:51:34,295 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 [] [2021-12-21 16:51:39,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:51:39,922 INFO L93 Difference]: Finished difference Result 5518 states and 8450 transitions. [2021-12-21 16:51:39,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:51:39,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-21 16:51:39,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:51:39,956 INFO L225 Difference]: With dead ends: 5518 [2021-12-21 16:51:39,956 INFO L226 Difference]: Without dead ends: 3006 [2021-12-21 16:51:39,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:51:39,973 INFO L933 BasicCegarLoop]: 3421 mSDtfsCounter, 2107 mSDsluCounter, 1983 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 2838 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2179 SdHoareTripleChecker+Valid, 5404 SdHoareTripleChecker+Invalid, 4570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2838 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:51:39,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2179 Valid, 5404 Invalid, 4570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2838 Valid, 1731 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2021-12-21 16:51:39,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2021-12-21 16:51:40,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 2479. [2021-12-21 16:51:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2479 states, 1741 states have (on average 1.4124066628374496) internal successors, (2459), 1811 states have internal predecessors, (2459), 635 states have call successors, (635), 103 states have call predecessors, (635), 102 states have return successors, (634), 594 states have call predecessors, (634), 634 states have call successors, (634) [2021-12-21 16:51:40,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3728 transitions. [2021-12-21 16:51:40,203 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3728 transitions. Word has length 48 [2021-12-21 16:51:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:51:40,203 INFO L470 AbstractCegarLoop]: Abstraction has 2479 states and 3728 transitions. [2021-12-21 16:51:40,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 16:51:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3728 transitions. [2021-12-21 16:51:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-21 16:51:40,206 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:51:40,206 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] [2021-12-21 16:51:40,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:51:40,207 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:51:40,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:51:40,207 INFO L85 PathProgramCache]: Analyzing trace with hash 3875131, now seen corresponding path program 1 times [2021-12-21 16:51:40,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:51:40,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954823505] [2021-12-21 16:51:40,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:51:40,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:51:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:40,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:51:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:40,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:51:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 16:51:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:51:40,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:51:40,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954823505] [2021-12-21 16:51:40,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954823505] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:51:40,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:51:40,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:51:40,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465986788] [2021-12-21 16:51:40,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:51:40,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:51:40,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:51:40,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:51:40,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:51:40,434 INFO L87 Difference]: Start difference. First operand 2479 states and 3728 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 16:51:44,751 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 [] [2021-12-21 16:52:02,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:52:02,393 INFO L93 Difference]: Finished difference Result 8033 states and 12327 transitions. [2021-12-21 16:52:02,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:52:02,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-21 16:52:02,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:52:02,429 INFO L225 Difference]: With dead ends: 8033 [2021-12-21 16:52:02,429 INFO L226 Difference]: Without dead ends: 5561 [2021-12-21 16:52:02,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:52:02,445 INFO L933 BasicCegarLoop]: 5536 mSDtfsCounter, 4349 mSDsluCounter, 10907 mSDsCounter, 0 mSdLazyCounter, 7231 mSolverCounterSat, 3038 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4767 SdHoareTripleChecker+Valid, 16443 SdHoareTripleChecker+Invalid, 10270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3038 IncrementalHoareTripleChecker+Valid, 7231 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:52:02,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4767 Valid, 16443 Invalid, 10270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3038 Valid, 7231 Invalid, 1 Unknown, 0 Unchecked, 21.3s Time] [2021-12-21 16:52:02,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2021-12-21 16:52:02,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 4527. [2021-12-21 16:52:02,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4527 states, 3166 states have (on average 1.4172457359444093) internal successors, (4487), 3299 states have internal predecessors, (4487), 1161 states have call successors, (1161), 199 states have call predecessors, (1161), 199 states have return successors, (1166), 1082 states have call predecessors, (1166), 1160 states have call successors, (1166) [2021-12-21 16:52:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4527 states to 4527 states and 6814 transitions. [2021-12-21 16:52:02,683 INFO L78 Accepts]: Start accepts. Automaton has 4527 states and 6814 transitions. Word has length 48 [2021-12-21 16:52:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:52:02,684 INFO L470 AbstractCegarLoop]: Abstraction has 4527 states and 6814 transitions. [2021-12-21 16:52:02,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 16:52:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4527 states and 6814 transitions. [2021-12-21 16:52:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-21 16:52:02,693 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:02,694 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:52:02,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:52:02,694 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:02,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:02,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1059899418, now seen corresponding path program 1 times [2021-12-21 16:52:02,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:02,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835901002] [2021-12-21 16:52:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:02,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:52:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 16:52:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:52:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-21 16:52:02,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:02,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835901002] [2021-12-21 16:52:02,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835901002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:02,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:02,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:52:02,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836811865] [2021-12-21 16:52:02,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:02,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:52:02,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:02,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:52:02,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:52:02,995 INFO L87 Difference]: Start difference. First operand 4527 states and 6814 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 16:52:06,066 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 [] [2021-12-21 16:52:14,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:52:14,668 INFO L93 Difference]: Finished difference Result 10079 states and 15411 transitions. [2021-12-21 16:52:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:52:14,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2021-12-21 16:52:14,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:52:14,704 INFO L225 Difference]: With dead ends: 10079 [2021-12-21 16:52:14,705 INFO L226 Difference]: Without dead ends: 5557 [2021-12-21 16:52:14,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:52:14,731 INFO L933 BasicCegarLoop]: 3388 mSDtfsCounter, 1644 mSDsluCounter, 6595 mSDsCounter, 0 mSdLazyCounter, 3422 mSolverCounterSat, 1958 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 9983 SdHoareTripleChecker+Invalid, 5381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1958 IncrementalHoareTripleChecker+Valid, 3422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:52:14,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1716 Valid, 9983 Invalid, 5381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1958 Valid, 3422 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2021-12-21 16:52:14,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2021-12-21 16:52:14,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 4527. [2021-12-21 16:52:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4527 states, 3166 states have (on average 1.4166140240050538) internal successors, (4485), 3299 states have internal predecessors, (4485), 1161 states have call successors, (1161), 199 states have call predecessors, (1161), 199 states have return successors, (1166), 1082 states have call predecessors, (1166), 1160 states have call successors, (1166) [2021-12-21 16:52:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4527 states to 4527 states and 6812 transitions. [2021-12-21 16:52:14,936 INFO L78 Accepts]: Start accepts. Automaton has 4527 states and 6812 transitions. Word has length 82 [2021-12-21 16:52:14,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:52:14,938 INFO L470 AbstractCegarLoop]: Abstraction has 4527 states and 6812 transitions. [2021-12-21 16:52:14,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 16:52:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4527 states and 6812 transitions. [2021-12-21 16:52:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-21 16:52:14,945 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:52:14,945 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:52:14,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:52:14,945 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:52:14,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:52:14,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1638013911, now seen corresponding path program 1 times [2021-12-21 16:52:14,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:52:14,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933003062] [2021-12-21 16:52:14,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:52:14,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:52:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:52:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:52:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 16:52:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-21 16:52:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:52:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:52:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:52:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 16:52:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 16:52:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:52:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:52:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-12-21 16:52:15,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:52:15,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933003062] [2021-12-21 16:52:15,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933003062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:52:15,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:52:15,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:52:15,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985416404] [2021-12-21 16:52:15,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:52:15,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:52:15,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:52:15,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:52:15,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:52:15,329 INFO L87 Difference]: Start difference. First operand 4527 states and 6812 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:52:18,569 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 []