./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--synclinkmp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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--synclinkmp.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 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:36:13,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:36:13,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:36:13,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:36:13,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:36:13,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:36:13,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:36:13,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:36:13,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:36:13,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:36:13,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:36:13,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:36:13,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:36:13,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:36:13,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:36:13,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:36:13,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:36:13,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:36:13,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:36:13,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:36:13,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:36:13,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:36:13,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:36:13,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:36:13,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:36:13,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:36:13,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:36:13,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:36:13,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:36:13,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:36:13,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:36:13,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:36:13,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:36:13,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:36:13,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:36:13,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:36:13,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:36:13,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:36:13,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:36:13,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:36:13,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:36:13,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:36:13,940 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:36:13,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:36:13,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:36:13,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:36:13,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:36:13,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:36:13,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:36:13,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:36:13,945 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:36:13,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:36:13,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:36:13,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:36:13,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:36:13,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:36:13,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:36:13,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:36:13,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:36:13,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:36:13,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:36:13,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:36:13,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:36:13,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:36:13,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:36:13,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:36:13,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:36:13,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:36:13,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:36:13,948 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:36:13,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:36:13,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:36:13,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2021-12-28 04:36:14,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:36:14,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:36:14,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:36:14,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:36:14,225 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:36:14,226 INFO L432 ainManager$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--synclinkmp.ko-entry_point.cil.out.i [2021-12-28 04:36:14,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd978430d/17ad17d292da49a8bfdf9369abc8b6c8/FLAG72853ee80 [2021-12-28 04:36:15,072 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:36:15,073 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--synclinkmp.ko-entry_point.cil.out.i [2021-12-28 04:36:15,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd978430d/17ad17d292da49a8bfdf9369abc8b6c8/FLAG72853ee80 [2021-12-28 04:36:15,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd978430d/17ad17d292da49a8bfdf9369abc8b6c8 [2021-12-28 04:36:15,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:36:15,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:36:15,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:36:15,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:36:15,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:36:15,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:36:15" (1/1) ... [2021-12-28 04:36:15,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48aa8e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:15, skipping insertion in model container [2021-12-28 04:36:15,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:36:15" (1/1) ... [2021-12-28 04:36:15,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:36:15,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:36:17,719 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--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-12-28 04:36:17,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:36:17,806 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:36:18,329 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--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2021-12-28 04:36:18,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:36:18,455 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:36:18,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18 WrapperNode [2021-12-28 04:36:18,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:36:18,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:36:18,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:36:18,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:36:18,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:18,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:18,829 INFO L137 Inliner]: procedures = 389, calls = 4006, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 9132 [2021-12-28 04:36:18,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:36:18,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:36:18,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:36:18,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:36:18,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:18,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:19,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:19,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:19,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:19,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:19,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:19,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:36:19,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:36:19,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:36:19,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:36:19,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (1/1) ... [2021-12-28 04:36:19,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:36:19,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:36:19,373 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) [2021-12-28 04:36:19,438 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 [2021-12-28 04:36:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-28 04:36:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-28 04:36:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 04:36:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:36:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:36:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:36:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:36:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-28 04:36:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-28 04:36:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:36:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:36:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-28 04:36:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-28 04:36:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-12-28 04:36:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-12-28 04:36:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:36:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:36:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-28 04:36:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-28 04:36:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-28 04:36:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-28 04:36:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-28 04:36:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-28 04:36:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:36:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:36:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:36:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:36:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-12-28 04:36:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-12-28 04:36:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-28 04:36:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-28 04:36:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-12-28 04:36:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-12-28 04:36:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:36:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:36:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-12-28 04:36:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-12-28 04:36:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-28 04:36:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-28 04:36:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:36:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-28 04:36:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-28 04:36:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2021-12-28 04:36:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2021-12-28 04:36:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2021-12-28 04:36:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2021-12-28 04:36:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:36:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:36:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-28 04:36:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-28 04:36:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:36:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:36:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2021-12-28 04:36:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2021-12-28 04:36:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:36:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-12-28 04:36:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-12-28 04:36:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:36:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:36:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:36:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:36:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-28 04:36:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-28 04:36:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:36:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:36:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-12-28 04:36:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-12-28 04:36:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:36:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:36:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-28 04:36:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-28 04:36:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-12-28 04:36:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-12-28 04:36:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:36:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:36:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:36:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:36:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-28 04:36:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-28 04:36:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-28 04:36:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-28 04:36:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:36:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-28 04:36:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-28 04:36:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:36:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:36:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure install [2021-12-28 04:36:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2021-12-28 04:36:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-12-28 04:36:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-12-28 04:36:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:36:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:36:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-12-28 04:36:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-12-28 04:36:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2021-12-28 04:36:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2021-12-28 04:36:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-28 04:36:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-28 04:36:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:36:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:36:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-28 04:36:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-28 04:36:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-12-28 04:36:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-12-28 04:36:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-28 04:36:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-28 04:36:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:36:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:36:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:36:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-28 04:36:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-28 04:36:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:36:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2021-12-28 04:36:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2021-12-28 04:36:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-28 04:36:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-28 04:36:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:36:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-12-28 04:36:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-12-28 04:36:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:36:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-12-28 04:36:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-12-28 04:36:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-28 04:36:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-28 04:36:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2021-12-28 04:36:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2021-12-28 04:36:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-12-28 04:36:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-12-28 04:36:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2021-12-28 04:36:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2021-12-28 04:36:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-12-28 04:36:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-12-28 04:36:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:36:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:36:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2021-12-28 04:36:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2021-12-28 04:36:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-28 04:36:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-28 04:36:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-12-28 04:36:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-12-28 04:36:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2021-12-28 04:36:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2021-12-28 04:36:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:36:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:36:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:36:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:36:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-28 04:36:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-28 04:36:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-12-28 04:36:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-12-28 04:36:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:36:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:36:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2021-12-28 04:36:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2021-12-28 04:36:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:36:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:36:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-28 04:36:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-28 04:36:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:36:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:36:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:36:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:36:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-28 04:36:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-28 04:36:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:36:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:36:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:36:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:36:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2021-12-28 04:36:19,478 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2021-12-28 04:36:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-28 04:36:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-28 04:36:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-12-28 04:36:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-12-28 04:36:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-28 04:36:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-28 04:36:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:36:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:36:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:36:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:36:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-28 04:36:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-28 04:36:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2021-12-28 04:36:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2021-12-28 04:36:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:36:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:36:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:36:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:36:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:36:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:36:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 04:36:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 04:36:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-28 04:36:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-28 04:36:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-28 04:36:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-28 04:36:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-28 04:36:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-28 04:36:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:36:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:36:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:36:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2021-12-28 04:36:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2021-12-28 04:36:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:36:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:36:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:36:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-28 04:36:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-28 04:36:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:36:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-28 04:36:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-28 04:36:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-28 04:36:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-28 04:36:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:36:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:36:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:36:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:36:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-28 04:36:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-28 04:36:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-28 04:36:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-28 04:36:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2021-12-28 04:36:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2021-12-28 04:36:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-28 04:36:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-28 04:36:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-28 04:36:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-28 04:36:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:36:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:36:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-28 04:36:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-28 04:36:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-12-28 04:36:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-12-28 04:36:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-12-28 04:36:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-12-28 04:36:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-28 04:36:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-28 04:36:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-28 04:36:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-28 04:36:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:36:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:36:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-12-28 04:36:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-12-28 04:36:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 04:36:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 04:36:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:36:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:36:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:36:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2021-12-28 04:36:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2021-12-28 04:36:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2021-12-28 04:36:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2021-12-28 04:36:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:36:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:36:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:36:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:36:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:36:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:36:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-28 04:36:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-28 04:36:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:36:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:36:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-12-28 04:36:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-12-28 04:36:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-12-28 04:36:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-12-28 04:36:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-28 04:36:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-28 04:36:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:36:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:36:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2021-12-28 04:36:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2021-12-28 04:36:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-28 04:36:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-28 04:36:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:36:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:36:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-28 04:36:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-28 04:36:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-28 04:36:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-28 04:36:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:36:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-28 04:36:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-28 04:36:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-28 04:36:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-28 04:36:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-28 04:36:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-28 04:36:20,287 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:36:20,290 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:36:20,447 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:36:47,059 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:36:47,078 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:36:47,078 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:36:47,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:36:47 BoogieIcfgContainer [2021-12-28 04:36:47,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:36:47,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:36:47,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:36:47,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:36:47,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:36:15" (1/3) ... [2021-12-28 04:36:47,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2890d122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:36:47, skipping insertion in model container [2021-12-28 04:36:47,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:18" (2/3) ... [2021-12-28 04:36:47,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2890d122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:36:47, skipping insertion in model container [2021-12-28 04:36:47,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:36:47" (3/3) ... [2021-12-28 04:36:47,089 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2021-12-28 04:36:47,093 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:36:47,093 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:36:47,142 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:36:47,149 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 [2021-12-28 04:36:47,149 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:36:47,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 3329 states, 2371 states have (on average 1.4398987768873892) internal successors, (3414), 2459 states have internal predecessors, (3414), 823 states have call successors, (823), 134 states have call predecessors, (823), 133 states have return successors, (811), 796 states have call predecessors, (811), 811 states have call successors, (811) [2021-12-28 04:36:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-28 04:36:47,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:36:47,222 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:36:47,223 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:36:47,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:36:47,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1761272307, now seen corresponding path program 1 times [2021-12-28 04:36:47,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:36:47,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131372324] [2021-12-28 04:36:47,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:36:47,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:36:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:36:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:36:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:36:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:36:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:36:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:36:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:36:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:36:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:36:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:36:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:36:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:36:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:36:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:36:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 04:36:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-28 04:36:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-28 04:36:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-28 04:36:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-28 04:36:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-28 04:36:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-28 04:36:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-28 04:36:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-28 04:36:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-28 04:36:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-28 04:36:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-28 04:36:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-12-28 04:36:48,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:36:48,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131372324] [2021-12-28 04:36:48,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131372324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:36:48,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:36:48,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:36:48,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537046108] [2021-12-28 04:36:48,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:36:48,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:36:48,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:36:48,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:36:48,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:36:48,548 INFO L87 Difference]: Start difference. First operand has 3329 states, 2371 states have (on average 1.4398987768873892) internal successors, (3414), 2459 states have internal predecessors, (3414), 823 states have call successors, (823), 134 states have call predecessors, (823), 133 states have return successors, (811), 796 states have call predecessors, (811), 811 states have call successors, (811) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-28 04:36:51,828 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 [] [2021-12-28 04:36:54,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:36:56,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:36:57,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:36:59,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:01,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:04,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:07,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:09,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:11,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:13,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:13,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:37:13,981 INFO L93 Difference]: Finished difference Result 7180 states and 11086 transitions. [2021-12-28 04:37:13,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:37:13,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 366 [2021-12-28 04:37:13,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:37:14,052 INFO L225 Difference]: With dead ends: 7180 [2021-12-28 04:37:14,053 INFO L226 Difference]: Without dead ends: 3834 [2021-12-28 04:37:14,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:37:14,082 INFO L933 BasicCegarLoop]: 4710 mSDtfsCounter, 3647 mSDsluCounter, 2435 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 3193 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 7145 SdHoareTripleChecker+Invalid, 4884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3193 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:37:14,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3680 Valid, 7145 Invalid, 4884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3193 Valid, 1683 Invalid, 8 Unknown, 0 Unchecked, 25.0s Time] [2021-12-28 04:37:14,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2021-12-28 04:37:14,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3307. [2021-12-28 04:37:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 2364 states have (on average 1.4344331641285957) internal successors, (3391), 2438 states have internal predecessors, (3391), 810 states have call successors, (810), 133 states have call predecessors, (810), 132 states have return successors, (809), 794 states have call predecessors, (809), 809 states have call successors, (809) [2021-12-28 04:37:14,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 5010 transitions. [2021-12-28 04:37:14,310 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 5010 transitions. Word has length 366 [2021-12-28 04:37:14,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:37:14,312 INFO L470 AbstractCegarLoop]: Abstraction has 3307 states and 5010 transitions. [2021-12-28 04:37:14,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-28 04:37:14,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 5010 transitions. [2021-12-28 04:37:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-28 04:37:14,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:14,320 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:37:14,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:37:14,321 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:14,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:14,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1755134813, now seen corresponding path program 1 times [2021-12-28 04:37:14,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:14,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622903051] [2021-12-28 04:37:14,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:14,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:37:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:37:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:37:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:37:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:37:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:37:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:37:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:37:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:37:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:37:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:37:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 04:37:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-28 04:37:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-28 04:37:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-28 04:37:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-28 04:37:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-28 04:37:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-28 04:37:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-28 04:37:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-28 04:37:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-28 04:37:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-28 04:37:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-28 04:37:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-12-28 04:37:15,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:15,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622903051] [2021-12-28 04:37:15,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622903051] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:15,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:15,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:37:15,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515564134] [2021-12-28 04:37:15,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:15,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:37:15,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:15,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:37:15,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:37:15,039 INFO L87 Difference]: Start difference. First operand 3307 states and 5010 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-28 04:37:18,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:20,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []