./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:18:12,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:18:13,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:18:13,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:18:13,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:18:13,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:18:13,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:18:13,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:18:13,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:18:13,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:18:13,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:18:13,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:18:13,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:18:13,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:18:13,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:18:13,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:18:13,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:18:13,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:18:13,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:18:13,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:18:13,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:18:13,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:18:13,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:18:13,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:18:13,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:18:13,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:18:13,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:18:13,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:18:13,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:18:13,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:18:13,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:18:13,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:18:13,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:18:13,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:18:13,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:18:13,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:18:13,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:18:13,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:18:13,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:18:13,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:18:13,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:18:13,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:18:13,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:18:13,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:18:13,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:18:13,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:18:13,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:18:13,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:18:13,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:18:13,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:18:13,115 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:18:13,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:18:13,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:18:13,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:18:13,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:18:13,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:18:13,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:18:13,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:18:13,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:18:13,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:18:13,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:18:13,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:18:13,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:18:13,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:13,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:18:13,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:18:13,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:18:13,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:18:13,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:18:13,118 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:18:13,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:18:13,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:18:13,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:18:13,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2021-12-22 15:18:13,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:18:13,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:18:13,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:18:13,351 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:18:13,352 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:18:13,354 INFO L432 ainManager$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 [2021-12-22 15:18:13,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72207b87/66cd36a10da84c7689f1d8e0cdd6a51e/FLAGeeb7332b2 [2021-12-22 15:18:14,060 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:18:14,060 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 [2021-12-22 15:18:14,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72207b87/66cd36a10da84c7689f1d8e0cdd6a51e/FLAGeeb7332b2 [2021-12-22 15:18:14,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72207b87/66cd36a10da84c7689f1d8e0cdd6a51e [2021-12-22 15:18:14,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:18:14,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:18:14,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:14,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:18:14,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:18:14,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:14" (1/1) ... [2021-12-22 15:18:14,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6489a791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:14, skipping insertion in model container [2021-12-22 15:18:14,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:14" (1/1) ... [2021-12-22 15:18:14,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:18:14,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:18:16,726 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] [2021-12-22 15:18:16,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:16,822 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:18:17,307 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] [2021-12-22 15:18:17,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:17,446 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:18:17,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17 WrapperNode [2021-12-22 15:18:17,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:17,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:17,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:18:17,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:18:17,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:17,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:17,842 INFO L137 Inliner]: procedures = 389, calls = 4006, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 9132 [2021-12-22 15:18:17,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:17,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:18:17,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:18:17,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:18:17,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:17,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:17,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:17,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:18,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:18,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:18,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:18,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:18:18,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:18:18,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:18:18,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:18:18,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (1/1) ... [2021-12-22 15:18:18,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:18,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:18:18,181 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) [2021-12-22 15:18:18,251 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 [2021-12-22 15:18:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-22 15:18:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-22 15:18:18,393 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-22 15:18:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-22 15:18:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-22 15:18:18,394 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-22 15:18:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2021-12-22 15:18:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2021-12-22 15:18:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:18:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-22 15:18:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:18:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2021-12-22 15:18:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:18:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2021-12-22 15:18:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:18:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:18:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-22 15:18:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-22 15:18:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-22 15:18:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:18:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure install [2021-12-22 15:18:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2021-12-22 15:18:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:18:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2021-12-22 15:18:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2021-12-22 15:18:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2021-12-22 15:18:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2021-12-22 15:18:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2021-12-22 15:18:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:18:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:18:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2021-12-22 15:18:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-22 15:18:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-22 15:18:18,401 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-22 15:18:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-22 15:18:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:18:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:18:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:18:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2021-12-22 15:18:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2021-12-22 15:18:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:18:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:18:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:18:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-22 15:18:18,405 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-22 15:18:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:18:18,405 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-22 15:18:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-22 15:18:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-22 15:18:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-22 15:18:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:18:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:18:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:18:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:18:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-22 15:18:18,406 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-22 15:18:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-22 15:18:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-22 15:18:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2021-12-22 15:18:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2021-12-22 15:18:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-22 15:18:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-22 15:18:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-22 15:18:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-22 15:18:18,407 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:18:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:18:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-22 15:18:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-22 15:18:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2021-12-22 15:18:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2021-12-22 15:18:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2021-12-22 15:18:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2021-12-22 15:18:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-22 15:18:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-22 15:18:18,408 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-22 15:18:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-22 15:18:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:18:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:18:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2021-12-22 15:18:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2021-12-22 15:18:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 15:18:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 15:18:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:18:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:18:18,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:18:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2021-12-22 15:18:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2021-12-22 15:18:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2021-12-22 15:18:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2021-12-22 15:18:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:18:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:18:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:18:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:18:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 15:18:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 15:18:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-22 15:18:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-22 15:18:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 15:18:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 15:18:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2021-12-22 15:18:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2021-12-22 15:18:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2021-12-22 15:18:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2021-12-22 15:18:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-22 15:18:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-22 15:18:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:18:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:18:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2021-12-22 15:18:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2021-12-22 15:18:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-22 15:18:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-22 15:18:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:18:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:18:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-22 15:18:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-22 15:18:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-22 15:18:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-22 15:18:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:18:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-22 15:18:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-22 15:18:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-22 15:18:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-22 15:18:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-22 15:18:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-22 15:18:19,172 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:18:19,175 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:18:19,389 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:18:46,671 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:18:46,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:18:46,699 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:18:46,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:18:46 BoogieIcfgContainer [2021-12-22 15:18:46,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:18:46,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:18:46,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:18:46,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:18:46,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:18:14" (1/3) ... [2021-12-22 15:18:46,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5391bc92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:18:46, skipping insertion in model container [2021-12-22 15:18:46,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:17" (2/3) ... [2021-12-22 15:18:46,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5391bc92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:18:46, skipping insertion in model container [2021-12-22 15:18:46,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:18:46" (3/3) ... [2021-12-22 15:18:46,711 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2021-12-22 15:18:46,715 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:18:46,715 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:18:46,771 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:18:46,776 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 [2021-12-22 15:18:46,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:18:46,835 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) [2021-12-22 15:18:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-22 15:18:46,856 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:18:46,857 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] [2021-12-22 15:18:46,857 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:18:46,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:18:46,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1761272307, now seen corresponding path program 1 times [2021-12-22 15:18:46,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:18:46,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082142906] [2021-12-22 15:18:46,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:18:46,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:18:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:18:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:18:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:18:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:18:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:18:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:18:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:18:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:18:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:18:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:18:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:18:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:18:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:18:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:18:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:18:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:18:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:18:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:18:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:18:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:18:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:18:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:18:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:18:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:18:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:18:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:18:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-12-22 15:18:48,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:18:48,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082142906] [2021-12-22 15:18:48,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082142906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:18:48,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:18:48,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:18:48,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015512601] [2021-12-22 15:18:48,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:18:48,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:18:48,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:18:48,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:18:48,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:18:48,162 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) [2021-12-22 15:18:51,249 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 [] [2021-12-22 15:18:53,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:18:56,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:00,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:02,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:03,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:06,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:09,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:11,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:13,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:15,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:16,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:16,021 INFO L93 Difference]: Finished difference Result 7180 states and 11086 transitions. [2021-12-22 15:19:16,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:19:16,024 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 [2021-12-22 15:19:16,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:16,077 INFO L225 Difference]: With dead ends: 7180 [2021-12-22 15:19:16,077 INFO L226 Difference]: Without dead ends: 3834 [2021-12-22 15:19:16,129 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 [2021-12-22 15:19:16,131 INFO L933 BasicCegarLoop]: 4709 mSDtfsCounter, 3647 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 3195 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 7143 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3195 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:16,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3680 Valid, 7143 Invalid, 4883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3195 Valid, 1679 Invalid, 9 Unknown, 0 Unchecked, 27.4s Time] [2021-12-22 15:19:16,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2021-12-22 15:19:16,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3307. [2021-12-22 15:19:16,332 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) [2021-12-22 15:19:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 5010 transitions. [2021-12-22 15:19:16,360 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 5010 transitions. Word has length 366 [2021-12-22 15:19:16,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:16,362 INFO L470 AbstractCegarLoop]: Abstraction has 3307 states and 5010 transitions. [2021-12-22 15:19:16,362 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) [2021-12-22 15:19:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 5010 transitions. [2021-12-22 15:19:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-22 15:19:16,375 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:16,375 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] [2021-12-22 15:19:16,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:19:16,376 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:16,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:16,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1755134813, now seen corresponding path program 1 times [2021-12-22 15:19:16,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:16,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77233983] [2021-12-22 15:19:16,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:16,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:19:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:19:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:19:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:19:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:19:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:19:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:19:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:19:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-22 15:19:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:19:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:19:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-22 15:19:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-22 15:19:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-22 15:19:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-22 15:19:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:19:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-22 15:19:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-12-22 15:19:17,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:17,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77233983] [2021-12-22 15:19:17,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77233983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:17,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:17,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:19:17,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924371131] [2021-12-22 15:19:17,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:17,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:19:17,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:17,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:19:17,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:17,391 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) [2021-12-22 15:19:20,508 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 []