./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:24:07,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:24:07,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:24:07,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:24:07,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:24:07,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:24:07,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:24:07,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:24:07,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:24:07,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:24:07,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:24:07,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:24:07,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:24:07,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:24:07,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:24:07,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:24:07,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:24:07,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:24:07,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:24:07,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:24:07,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:24:07,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:24:07,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:24:07,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:24:07,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:24:07,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:24:07,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:24:07,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:24:07,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:24:07,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:24:07,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:24:07,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:24:07,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:24:07,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:24:07,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:24:07,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:24:07,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:24:07,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:24:07,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:24:07,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:24:07,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:24:07,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:24:07,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:24:07,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:24:07,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:24:07,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:24:07,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:24:07,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:24:07,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:24:07,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:24:07,405 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:24:07,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:24:07,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:24:07,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:24:07,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:24:07,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:24:07,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:24:07,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:24:07,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:24:07,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:24:07,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:24:07,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:24:07,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:24:07,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:24:07,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:24:07,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:24:07,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:24:07,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:24:07,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:24:07,409 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:24:07,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:24:07,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:24:07,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:24:07,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2021-12-14 18:24:07,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:24:07,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:24:07,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:24:07,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:24:07,620 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:24:07,621 INFO L432 ainManager$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 [2021-12-14 18:24:07,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24ba7b1d/d39be243827f44369f05842780410590/FLAG2a1ad85ef [2021-12-14 18:24:08,364 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:24:08,364 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 [2021-12-14 18:24:08,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24ba7b1d/d39be243827f44369f05842780410590/FLAG2a1ad85ef [2021-12-14 18:24:08,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24ba7b1d/d39be243827f44369f05842780410590 [2021-12-14 18:24:08,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:24:08,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:24:08,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:24:08,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:24:08,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:24:08,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:08" (1/1) ... [2021-12-14 18:24:08,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efd97f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:08, skipping insertion in model container [2021-12-14 18:24:08,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:08" (1/1) ... [2021-12-14 18:24:08,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:24:08,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:24:11,349 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] [2021-12-14 18:24:11,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:24:11,448 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:24:12,009 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] [2021-12-14 18:24:12,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:24:12,152 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:24:12,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12 WrapperNode [2021-12-14 18:24:12,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:24:12,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:24:12,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:24:12,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:24:12,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:12,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:12,565 INFO L137 Inliner]: procedures = 389, calls = 4006, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 9132 [2021-12-14 18:24:12,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:24:12,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:24:12,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:24:12,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:24:12,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:12,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:12,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:12,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:12,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:12,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:12,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:13,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:24:13,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:24:13,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:24:13,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:24:13,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (1/1) ... [2021-12-14 18:24:13,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:24:13,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:24:13,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:24:13,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:24:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-14 18:24:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-14 18:24:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-14 18:24:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:24:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:24:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:24:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:24:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-14 18:24:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-14 18:24:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:24:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:24:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-14 18:24:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-14 18:24:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-12-14 18:24:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-12-14 18:24:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:24:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:24:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-14 18:24:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-14 18:24:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-14 18:24:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-14 18:24:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-14 18:24:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-14 18:24:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 18:24:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 18:24:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:24:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:24:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-12-14 18:24:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-12-14 18:24:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-14 18:24:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-14 18:24:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-12-14 18:24:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-12-14 18:24:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:24:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:24:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-12-14 18:24:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-12-14 18:24:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-14 18:24:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-14 18:24:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:24:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-14 18:24:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-14 18:24:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2021-12-14 18:24:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2021-12-14 18:24:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2021-12-14 18:24:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2021-12-14 18:24:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:24:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:24:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-14 18:24:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-14 18:24:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:24:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:24:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2021-12-14 18:24:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2021-12-14 18:24:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:24:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-12-14 18:24:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-12-14 18:24:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:24:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:24:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-14 18:24:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-14 18:24:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-14 18:24:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-14 18:24:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:24:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:24:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-12-14 18:24:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-12-14 18:24:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:24:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:24:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-14 18:24:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-14 18:24:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-12-14 18:24:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-12-14 18:24:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:24:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:24:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:24:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:24:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-14 18:24:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-14 18:24:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-14 18:24:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-14 18:24:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:24:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-14 18:24:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-14 18:24:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:24:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:24:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure install [2021-12-14 18:24:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2021-12-14 18:24:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-12-14 18:24:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-12-14 18:24:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:24:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:24:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-12-14 18:24:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-12-14 18:24:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2021-12-14 18:24:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2021-12-14 18:24:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-14 18:24:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-14 18:24:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 18:24:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 18:24:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-14 18:24:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-14 18:24:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-12-14 18:24:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-12-14 18:24:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-14 18:24:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-14 18:24:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:24:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:24:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:24:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-14 18:24:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-14 18:24:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:24:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2021-12-14 18:24:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2021-12-14 18:24:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-14 18:24:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-14 18:24:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:24:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-12-14 18:24:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-12-14 18:24:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:24:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-12-14 18:24:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-12-14 18:24:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-14 18:24:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-14 18:24:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2021-12-14 18:24:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2021-12-14 18:24:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-12-14 18:24:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-12-14 18:24:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2021-12-14 18:24:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2021-12-14 18:24:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-12-14 18:24:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-12-14 18:24:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:24:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:24:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2021-12-14 18:24:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2021-12-14 18:24:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-14 18:24:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-14 18:24:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-12-14 18:24:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-12-14 18:24:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2021-12-14 18:24:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2021-12-14 18:24:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:24:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:24:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:24:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:24:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-14 18:24:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-14 18:24:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-12-14 18:24:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-12-14 18:24:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:24:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:24:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2021-12-14 18:24:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2021-12-14 18:24:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:24:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:24:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-14 18:24:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-14 18:24:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:24:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:24:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:24:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:24:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-14 18:24:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-14 18:24:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:24:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:24:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:24:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:24:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2021-12-14 18:24:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2021-12-14 18:24:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-14 18:24:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-14 18:24:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-12-14 18:24:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-12-14 18:24:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-14 18:24:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-14 18:24:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:24:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:24:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:24:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:24:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-14 18:24:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-14 18:24:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2021-12-14 18:24:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2021-12-14 18:24:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:24:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:24:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:24:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:24:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:24:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:24:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-14 18:24:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-14 18:24:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-14 18:24:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-14 18:24:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-14 18:24:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-14 18:24:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-14 18:24:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-14 18:24:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:24:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:24:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:24:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2021-12-14 18:24:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2021-12-14 18:24:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:24:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:24:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:24:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-14 18:24:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-14 18:24:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:24:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-14 18:24:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-14 18:24:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-14 18:24:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-14 18:24:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:24:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:24:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:24:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:24:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-14 18:24:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-14 18:24:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-14 18:24:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-14 18:24:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2021-12-14 18:24:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2021-12-14 18:24:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-14 18:24:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-14 18:24:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-14 18:24:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-14 18:24:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:24:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:24:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-14 18:24:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-14 18:24:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-12-14 18:24:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-12-14 18:24:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-12-14 18:24:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-12-14 18:24:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-14 18:24:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-14 18:24:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-14 18:24:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-14 18:24:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:24:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:24:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-12-14 18:24:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-12-14 18:24:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 18:24:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 18:24:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:24:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:24:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:24:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2021-12-14 18:24:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2021-12-14 18:24:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2021-12-14 18:24:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2021-12-14 18:24:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:24:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:24:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:24:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:24:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 18:24:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 18:24:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-14 18:24:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-14 18:24:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 18:24:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 18:24:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-12-14 18:24:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-12-14 18:24:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-12-14 18:24:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-12-14 18:24:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-14 18:24:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-14 18:24:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:24:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:24:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2021-12-14 18:24:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2021-12-14 18:24:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-14 18:24:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-14 18:24:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:24:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:24:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-14 18:24:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-14 18:24:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-14 18:24:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-14 18:24:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:24:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-14 18:24:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-14 18:24:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-14 18:24:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-14 18:24:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-14 18:24:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-14 18:24:13,887 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:24:13,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:24:14,265 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:24:42,442 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:24:42,481 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:24:42,483 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:24:42,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:42 BoogieIcfgContainer [2021-12-14 18:24:42,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:24:42,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:24:42,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:24:42,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:24:42,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:24:08" (1/3) ... [2021-12-14 18:24:42,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76bb294e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:42, skipping insertion in model container [2021-12-14 18:24:42,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:12" (2/3) ... [2021-12-14 18:24:42,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76bb294e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:42, skipping insertion in model container [2021-12-14 18:24:42,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:42" (3/3) ... [2021-12-14 18:24:42,494 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2021-12-14 18:24:42,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:24:42,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:24:42,545 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:24:42,559 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:24:42,561 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:24:42,610 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) [2021-12-14 18:24:42,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-14 18:24:42,630 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:24:42,631 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] [2021-12-14 18:24:42,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:24:42,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:24:42,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1761272307, now seen corresponding path program 1 times [2021-12-14 18:24:42,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:24:42,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275814054] [2021-12-14 18:24:42,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:24:42,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:24:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:24:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:24:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:24:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:24:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:24:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:24:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:24:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:24:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:24:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:24:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:24:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:24:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:24:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:24:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:24:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:24:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:24:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:24:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:24:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:24:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:24:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:24:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:24:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:24:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:24:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:24:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-12-14 18:24:43,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:24:43,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275814054] [2021-12-14 18:24:43,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275814054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:24:43,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:24:43,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:24:43,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77599218] [2021-12-14 18:24:43,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:24:43,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:24:43,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:24:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:24:43,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:24:43,847 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) [2021-12-14 18:24:47,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:50,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:53,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:56,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:59,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:02,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:04,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:06,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:08,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:09,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:25:09,204 INFO L93 Difference]: Finished difference Result 7180 states and 11086 transitions. [2021-12-14 18:25:09,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:25:09,207 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 [2021-12-14 18:25:09,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:25:09,261 INFO L225 Difference]: With dead ends: 7180 [2021-12-14 18:25:09,266 INFO L226 Difference]: Without dead ends: 3834 [2021-12-14 18:25:09,305 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 [2021-12-14 18:25:09,312 INFO L933 BasicCegarLoop]: 4713 mSDtfsCounter, 3647 mSDsluCounter, 2438 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 3195 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3195 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:25:09,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3680 Valid, 7151 Invalid, 4883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3195 Valid, 1679 Invalid, 9 Unknown, 0 Unchecked, 24.9s Time] [2021-12-14 18:25:09,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2021-12-14 18:25:09,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3307. [2021-12-14 18:25:09,521 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) [2021-12-14 18:25:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 5010 transitions. [2021-12-14 18:25:09,546 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 5010 transitions. Word has length 366 [2021-12-14 18:25:09,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:25:09,548 INFO L470 AbstractCegarLoop]: Abstraction has 3307 states and 5010 transitions. [2021-12-14 18:25:09,548 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) [2021-12-14 18:25:09,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 5010 transitions. [2021-12-14 18:25:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-14 18:25:09,557 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:09,557 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] [2021-12-14 18:25:09,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:25:09,558 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:09,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:09,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1755134813, now seen corresponding path program 1 times [2021-12-14 18:25:09,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:09,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569272653] [2021-12-14 18:25:09,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:09,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:09,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:25:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:25:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:25:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:25:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:25:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:25:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:25:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:25:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:25:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:25:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:25:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:25:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:25:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:25:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:25:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:25:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:25:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-12-14 18:25:10,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:10,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569272653] [2021-12-14 18:25:10,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569272653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:10,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:10,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:25:10,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243587176] [2021-12-14 18:25:10,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:10,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:25:10,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:10,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:25:10,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:10,462 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) [2021-12-14 18:25:13,448 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 []