./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--synclink_gt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.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 a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:51:19,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:51:19,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:51:20,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:51:20,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:51:20,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:51:20,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:51:20,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:51:20,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:51:20,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:51:20,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:51:20,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:51:20,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:51:20,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:51:20,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:51:20,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:51:20,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:51:20,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:51:20,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:51:20,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:51:20,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:51:20,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:51:20,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:51:20,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:51:20,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:51:20,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:51:20,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:51:20,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:51:20,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:51:20,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:51:20,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:51:20,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:51:20,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:51:20,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:51:20,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:51:20,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:51:20,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:51:20,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:51:20,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:51:20,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:51:20,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:51:20,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:51:20,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:51:20,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:51:20,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:51:20,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:51:20,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:51:20,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:51:20,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:51:20,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:51:20,130 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:51:20,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:51:20,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:51:20,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:51:20,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:51:20,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:51:20,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:51:20,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:51:20,131 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:51:20,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:51:20,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:51:20,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:51:20,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:51:20,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:51:20,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:51:20,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:51:20,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:51:20,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:51:20,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:51:20,134 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:51:20,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:51:20,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:51:20,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:51:20,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 [2021-12-21 16:51:20,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:51:20,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:51:20,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:51:20,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:51:20,426 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:51:20,427 INFO L432 ainManager$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--synclink_gt.ko-entry_point.cil.out.i [2021-12-21 16:51:20,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855af9300/f9344fa3b52c4623ac2ade0e39f95e5f/FLAG0301cbf60 [2021-12-21 16:51:21,321 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:51:21,322 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--synclink_gt.ko-entry_point.cil.out.i [2021-12-21 16:51:21,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855af9300/f9344fa3b52c4623ac2ade0e39f95e5f/FLAG0301cbf60 [2021-12-21 16:51:21,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/855af9300/f9344fa3b52c4623ac2ade0e39f95e5f [2021-12-21 16:51:21,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:51:21,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:51:21,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:51:21,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:51:21,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:51:21,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:21,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96cf5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:21, skipping insertion in model container [2021-12-21 16:51:21,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:51:21" (1/1) ... [2021-12-21 16:51:21,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:51:21,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:51:24,550 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--synclink_gt.ko-entry_point.cil.out.i[412025,412038] [2021-12-21 16:51:24,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:51:24,661 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:51:25,177 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--synclink_gt.ko-entry_point.cil.out.i[412025,412038] [2021-12-21 16:51:25,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:51:25,362 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:51:25,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25 WrapperNode [2021-12-21 16:51:25,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:51:25,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:51:25,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:51:25,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:51:25,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:25,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:25,822 INFO L137 Inliner]: procedures = 426, calls = 3809, calls flagged for inlining = 222, calls inlined = 215, statements flattened = 9873 [2021-12-21 16:51:25,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:51:25,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:51:25,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:51:25,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:51:25,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:25,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:25,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:25,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:26,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:26,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:26,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:26,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:51:26,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:51:26,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:51:26,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:51:26,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (1/1) ... [2021-12-21 16:51:26,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:51:26,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:51:26,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:51:26,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:51:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 16:51:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:51:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:51:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:51:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:51:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-21 16:51:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-21 16:51:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:51:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:51:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-21 16:51:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-21 16:51:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-12-21 16:51:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-12-21 16:51:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:51:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:51:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-21 16:51:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-21 16:51:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-21 16:51:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-21 16:51:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 16:51:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 16:51:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:51:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:51:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-12-21 16:51:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-12-21 16:51:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-12-21 16:51:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-12-21 16:51:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-21 16:51:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-21 16:51:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-12-21 16:51:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-12-21 16:51:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:51:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:51:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-12-21 16:51:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-12-21 16:51:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-21 16:51:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-21 16:51:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-21 16:51:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-21 16:51:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-21 16:51:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:51:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:51:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-21 16:51:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-21 16:51:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:51:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:51:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:51:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-12-21 16:51:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-12-21 16:51:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-12-21 16:51:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-12-21 16:51:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-21 16:51:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-21 16:51:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-21 16:51:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-21 16:51:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:51:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:51:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-12-21 16:51:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-12-21 16:51:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:51:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:51:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:51:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:51:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-21 16:51:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-21 16:51:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-12-21 16:51:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-12-21 16:51:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-12-21 16:51:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-12-21 16:51:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:51:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-12-21 16:51:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-12-21 16:51:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-12-21 16:51:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-12-21 16:51:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:51:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:51:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-12-21 16:51:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-12-21 16:51:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:51:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-21 16:51:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-21 16:51:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-21 16:51:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-21 16:51:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-12-21 16:51:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-12-21 16:51:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:51:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-21 16:51:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-21 16:51:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:51:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:51:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-12-21 16:51:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-12-21 16:51:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:51:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:51:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-12-21 16:51:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-12-21 16:51:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-21 16:51:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-21 16:51:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 16:51:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 16:51:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 16:51:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 16:51:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-21 16:51:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-21 16:51:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-12-21 16:51:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-12-21 16:51:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-12-21 16:51:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-12-21 16:51:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-21 16:51:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-21 16:51:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:51:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:51:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-12-21 16:51:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-12-21 16:51:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-21 16:51:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-21 16:51:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:51:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-21 16:51:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-21 16:51:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:51:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-21 16:51:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-21 16:51:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:51:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-12-21 16:51:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-12-21 16:51:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:51:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-12-21 16:51:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-12-21 16:51:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-21 16:51:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-21 16:51:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-12-21 16:51:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-12-21 16:51:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-12-21 16:51:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-12-21 16:51:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-12-21 16:51:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-12-21 16:51:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:51:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:51:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-21 16:51:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-21 16:51:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-12-21 16:51:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-12-21 16:51:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-12-21 16:51:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-12-21 16:51:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_compat_ioctl [2021-12-21 16:51:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_compat_ioctl [2021-12-21 16:51:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:51:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:51:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:51:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:51:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-12-21 16:51:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-12-21 16:51:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-21 16:51:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-21 16:51:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:51:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:51:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:51:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:51:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-21 16:51:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-21 16:51:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:51:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:51:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:51:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:51:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:51:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:51:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:51:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:51:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-21 16:51:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-21 16:51:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-12-21 16:51:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-12-21 16:51:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-21 16:51:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-21 16:51:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:51:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:51:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:51:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:51:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-21 16:51:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-21 16:51:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:51:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:51:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:51:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:51:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:51:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:51:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-21 16:51:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-21 16:51:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-21 16:51:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-21 16:51:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-21 16:51:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-21 16:51:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-21 16:51:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-21 16:51:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:51:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:51:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:51:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:51:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-12-21 16:51:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-12-21 16:51:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:51:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:51:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-21 16:51:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-21 16:51:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:51:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-21 16:51:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-21 16:51:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-12-21 16:51:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-12-21 16:51:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-21 16:51:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-21 16:51:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:51:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:51:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-21 16:51:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-21 16:51:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:51:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:51:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-21 16:51:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-21 16:51:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-21 16:51:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-21 16:51:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-12-21 16:51:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-12-21 16:51:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-21 16:51:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-21 16:51:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:51:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:51:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-21 16:51:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-21 16:51:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 16:51:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 16:51:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-12-21 16:51:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-12-21 16:51:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-12-21 16:51:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-12-21 16:51:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-21 16:51:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-21 16:51:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-21 16:51:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-21 16:51:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:51:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:51:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-12-21 16:51:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-12-21 16:51:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:51:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:51:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-12-21 16:51:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-12-21 16:51:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-12-21 16:51:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-12-21 16:51:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:51:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldisc_receive_buf [2021-12-21 16:51:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldisc_receive_buf [2021-12-21 16:51:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:51:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:51:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-12-21 16:51:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-12-21 16:51:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:51:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:51:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:51:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:51:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-21 16:51:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-21 16:51:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-12-21 16:51:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-12-21 16:51:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:51:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:51:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-12-21 16:51:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-12-21 16:51:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-12-21 16:51:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-12-21 16:51:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-21 16:51:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-21 16:51:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:51:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:51:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-21 16:51:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-21 16:51:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-21 16:51:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-21 16:51:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:51:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:51:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-12-21 16:51:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-12-21 16:51:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-21 16:51:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-21 16:51:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:51:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-21 16:51:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-21 16:51:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-12-21 16:51:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-12-21 16:51:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-21 16:51:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-21 16:51:27,485 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:51:27,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:51:27,715 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:51:53,696 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:51:53,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:51:53,721 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:51:53,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:51:53 BoogieIcfgContainer [2021-12-21 16:51:53,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:51:53,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:51:53,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:51:53,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:51:53,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:51:21" (1/3) ... [2021-12-21 16:51:53,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73aae5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:51:53, skipping insertion in model container [2021-12-21 16:51:53,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:51:25" (2/3) ... [2021-12-21 16:51:53,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73aae5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:51:53, skipping insertion in model container [2021-12-21 16:51:53,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:51:53" (3/3) ... [2021-12-21 16:51:53,735 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2021-12-21 16:51:53,740 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:51:53,740 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:51:53,804 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:51:53,817 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:51:53,817 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:51:53,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 3567 states, 2604 states have (on average 1.4473886328725039) internal successors, (3769), 2707 states have internal predecessors, (3769), 826 states have call successors, (826), 136 states have call predecessors, (826), 135 states have return successors, (814), 794 states have call predecessors, (814), 814 states have call successors, (814) [2021-12-21 16:51:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-21 16:51:53,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:51:53,922 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:51:53,923 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:51:53,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:51:53,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1524864084, now seen corresponding path program 1 times [2021-12-21 16:51:53,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:51:53,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187969563] [2021-12-21 16:51:53,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:51:53,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:51:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:51:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:51:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:51:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:51:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:51:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:51:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:51:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:51:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:51:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:51:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 16:51:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-21 16:51:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 16:51:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 16:51:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-21 16:51:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-21 16:51:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-21 16:51:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-21 16:51:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-21 16:51:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 16:51:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-21 16:51:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-21 16:51:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-21 16:51:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:51:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-21 16:51:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-21 16:51:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-21 16:51:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2021-12-21 16:51:55,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:51:55,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187969563] [2021-12-21 16:51:55,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187969563] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:51:55,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:51:55,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:51:55,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300325682] [2021-12-21 16:51:55,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:51:55,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:51:55,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:51:55,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:51:55,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:51:55,584 INFO L87 Difference]: Start difference. First operand has 3567 states, 2604 states have (on average 1.4473886328725039) internal successors, (3769), 2707 states have internal predecessors, (3769), 826 states have call successors, (826), 136 states have call predecessors, (826), 135 states have return successors, (814), 794 states have call predecessors, (814), 814 states have call successors, (814) Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-21 16:51:58,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:00,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:02,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:06,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:08,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:10,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:13,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:14,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:16,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:19,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:21,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:52:23,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []