./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--thunderbolt--thunderbolt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.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 8a621364e853f6cea57e1b9be3d64dd0229cd7b56b8697c8ff667994a99ac7d5 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:23:46,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:23:46,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:23:46,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:23:46,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:23:46,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:23:46,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:23:46,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:23:46,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:23:46,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:23:46,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:23:46,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:23:46,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:23:46,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:23:46,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:23:46,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:23:46,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:23:46,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:23:46,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:23:46,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:23:46,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:23:46,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:23:46,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:23:46,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:23:46,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:23:46,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:23:46,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:23:46,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:23:46,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:23:46,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:23:46,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:23:46,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:23:46,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:23:46,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:23:46,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:23:46,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:23:46,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:23:46,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:23:46,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:23:46,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:23:46,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:23:46,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:23:47,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:23:47,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:23:47,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:23:47,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:23:47,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:23:47,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:23:47,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:23:47,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:23:47,016 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:23:47,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:23:47,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:23:47,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:23:47,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:23:47,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:23:47,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:23:47,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:23:47,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:23:47,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:23:47,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:23:47,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:23:47,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:23:47,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:23:47,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:23:47,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:23:47,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:23:47,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:23:47,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:23:47,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:23:47,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:23:47,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:23:47,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:23:47,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a621364e853f6cea57e1b9be3d64dd0229cd7b56b8697c8ff667994a99ac7d5 [2021-12-14 18:23:47,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:23:47,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:23:47,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:23:47,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:23:47,245 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:23:47,245 INFO L432 ainManager$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--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-14 18:23:47,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a185363df/b68fc1f4ae03466fbbe1b0831d6cd0ca/FLAG26e37c6e6 [2021-12-14 18:23:47,978 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:23:47,979 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--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-14 18:23:48,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a185363df/b68fc1f4ae03466fbbe1b0831d6cd0ca/FLAG26e37c6e6 [2021-12-14 18:23:48,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a185363df/b68fc1f4ae03466fbbe1b0831d6cd0ca [2021-12-14 18:23:48,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:23:48,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:23:48,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:23:48,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:23:48,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:23:48,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:23:48" (1/1) ... [2021-12-14 18:23:48,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e51ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:48, skipping insertion in model container [2021-12-14 18:23:48,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:23:48" (1/1) ... [2021-12-14 18:23:48,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:23:48,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:23:50,184 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--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[297077,297090] [2021-12-14 18:23:50,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:23:50,262 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:23:50,787 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--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[297077,297090] [2021-12-14 18:23:50,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:23:50,858 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:23:50,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50 WrapperNode [2021-12-14 18:23:50,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:23:50,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:23:50,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:23:50,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:23:50,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,162 INFO L137 Inliner]: procedures = 357, calls = 3641, calls flagged for inlining = 134, calls inlined = 130, statements flattened = 6994 [2021-12-14 18:23:51,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:23:51,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:23:51,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:23:51,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:23:51,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:23:51,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:23:51,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:23:51,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:23:51,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (1/1) ... [2021-12-14 18:23:51,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:23:51,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:23:51,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:23:51,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:23:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:23:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:23:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2021-12-14 18:23:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2021-12-14 18:23:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2021-12-14 18:23:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2021-12-14 18:23:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2021-12-14 18:23:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2021-12-14 18:23:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:23:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:23:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2021-12-14 18:23:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2021-12-14 18:23:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2021-12-14 18:23:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2021-12-14 18:23:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-14 18:23:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-14 18:23:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:23:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:23:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:23:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:23:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:23:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:23:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2021-12-14 18:23:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2021-12-14 18:23:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:23:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:23:51,556 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2021-12-14 18:23:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2021-12-14 18:23:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2021-12-14 18:23:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2021-12-14 18:23:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2021-12-14 18:23:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2021-12-14 18:23:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2021-12-14 18:23:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2021-12-14 18:23:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2021-12-14 18:23:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2021-12-14 18:23:51,557 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2021-12-14 18:23:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2021-12-14 18:23:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-14 18:23:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-14 18:23:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2021-12-14 18:23:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2021-12-14 18:23:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2021-12-14 18:23:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2021-12-14 18:23:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2021-12-14 18:23:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2021-12-14 18:23:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2021-12-14 18:23:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2021-12-14 18:23:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-14 18:23:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-14 18:23:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2021-12-14 18:23:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2021-12-14 18:23:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:23:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:23:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:23:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:23:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2021-12-14 18:23:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2021-12-14 18:23:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2021-12-14 18:23:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2021-12-14 18:23:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2021-12-14 18:23:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2021-12-14 18:23:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2021-12-14 18:23:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2021-12-14 18:23:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-14 18:23:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-14 18:23:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2021-12-14 18:23:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2021-12-14 18:23:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2021-12-14 18:23:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2021-12-14 18:23:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:23:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:23:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2021-12-14 18:23:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2021-12-14 18:23:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:23:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:23:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2021-12-14 18:23:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2021-12-14 18:23:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2021-12-14 18:23:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2021-12-14 18:23:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2021-12-14 18:23:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2021-12-14 18:23:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2021-12-14 18:23:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2021-12-14 18:23:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2021-12-14 18:23:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2021-12-14 18:23:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2021-12-14 18:23:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2021-12-14 18:23:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2021-12-14 18:23:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2021-12-14 18:23:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:23:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:23:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:23:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2021-12-14 18:23:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2021-12-14 18:23:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2021-12-14 18:23:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2021-12-14 18:23:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2021-12-14 18:23:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2021-12-14 18:23:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:23:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:23:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:23:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-14 18:23:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-14 18:23:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:23:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:23:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-14 18:23:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-14 18:23:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2021-12-14 18:23:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2021-12-14 18:23:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:23:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2021-12-14 18:23:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2021-12-14 18:23:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:23:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2021-12-14 18:23:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2021-12-14 18:23:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2021-12-14 18:23:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2021-12-14 18:23:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2021-12-14 18:23:51,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2021-12-14 18:23:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2021-12-14 18:23:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2021-12-14 18:23:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:23:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:23:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:23:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:23:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:23:51,575 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:23:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:23:51,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:23:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2021-12-14 18:23:51,579 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2021-12-14 18:23:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2021-12-14 18:23:51,579 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2021-12-14 18:23:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:23:51,579 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:23:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2021-12-14 18:23:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2021-12-14 18:23:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 18:23:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 18:23:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2021-12-14 18:23:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2021-12-14 18:23:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:23:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2021-12-14 18:23:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2021-12-14 18:23:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2021-12-14 18:23:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2021-12-14 18:23:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2021-12-14 18:23:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2021-12-14 18:23:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2021-12-14 18:23:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2021-12-14 18:23:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:23:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:23:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:23:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2021-12-14 18:23:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2021-12-14 18:23:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-14 18:23:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-14 18:23:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2021-12-14 18:23:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2021-12-14 18:23:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:23:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2021-12-14 18:23:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2021-12-14 18:23:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2021-12-14 18:23:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2021-12-14 18:23:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2021-12-14 18:23:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2021-12-14 18:23:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:23:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:23:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2021-12-14 18:23:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2021-12-14 18:23:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-14 18:23:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-14 18:23:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-14 18:23:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-14 18:23:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2021-12-14 18:23:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2021-12-14 18:23:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:23:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:23:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2021-12-14 18:23:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2021-12-14 18:23:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2021-12-14 18:23:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2021-12-14 18:23:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2021-12-14 18:23:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2021-12-14 18:23:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:23:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:23:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2021-12-14 18:23:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2021-12-14 18:23:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2021-12-14 18:23:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2021-12-14 18:23:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2021-12-14 18:23:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2021-12-14 18:23:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:23:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:23:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:23:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:23:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:23:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2021-12-14 18:23:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2021-12-14 18:23:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:23:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:23:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2021-12-14 18:23:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2021-12-14 18:23:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2021-12-14 18:23:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2021-12-14 18:23:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:23:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2021-12-14 18:23:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2021-12-14 18:23:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-14 18:23:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2021-12-14 18:23:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2021-12-14 18:23:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:23:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:23:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2021-12-14 18:23:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2021-12-14 18:23:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:23:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2021-12-14 18:23:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2021-12-14 18:23:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-12-14 18:23:51,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-12-14 18:23:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:23:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2021-12-14 18:23:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2021-12-14 18:23:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2021-12-14 18:23:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2021-12-14 18:23:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2021-12-14 18:23:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2021-12-14 18:23:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2021-12-14 18:23:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2021-12-14 18:23:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2021-12-14 18:23:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2021-12-14 18:23:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2021-12-14 18:23:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2021-12-14 18:23:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2021-12-14 18:23:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2021-12-14 18:23:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2021-12-14 18:23:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2021-12-14 18:23:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2021-12-14 18:23:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2021-12-14 18:23:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2021-12-14 18:23:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2021-12-14 18:23:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:23:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:23:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2021-12-14 18:23:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2021-12-14 18:23:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-14 18:23:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-14 18:23:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2021-12-14 18:23:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2021-12-14 18:23:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:23:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:23:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2021-12-14 18:23:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2021-12-14 18:23:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:23:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:23:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2021-12-14 18:23:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2021-12-14 18:23:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2021-12-14 18:23:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2021-12-14 18:23:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-14 18:23:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-14 18:23:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:23:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2021-12-14 18:23:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2021-12-14 18:23:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:23:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:23:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2021-12-14 18:23:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2021-12-14 18:23:52,437 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:23:52,441 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:23:52,685 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:24:12,891 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:24:12,906 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:24:12,906 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:24:12,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:12 BoogieIcfgContainer [2021-12-14 18:24:12,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:24:12,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:24:12,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:24:12,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:24:12,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:23:48" (1/3) ... [2021-12-14 18:24:12,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1df5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:12, skipping insertion in model container [2021-12-14 18:24:12,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:23:50" (2/3) ... [2021-12-14 18:24:12,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1df5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:12, skipping insertion in model container [2021-12-14 18:24:12,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:12" (3/3) ... [2021-12-14 18:24:12,916 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-14 18:24:12,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:24:12,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:24:12,974 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:24:12,980 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:24:12,980 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:24:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 2456 states, 1665 states have (on average 1.330930930930931) internal successors, (2216), 1703 states have internal predecessors, (2216), 664 states have call successors, (664), 126 states have call predecessors, (664), 125 states have return successors, (658), 654 states have call predecessors, (658), 658 states have call successors, (658) [2021-12-14 18:24:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-14 18:24:13,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:24:13,073 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:24:13,074 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:24:13,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:24:13,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2034179201, now seen corresponding path program 1 times [2021-12-14 18:24:13,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:24:13,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868482112] [2021-12-14 18:24:13,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:24:13,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:24:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:24:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-14 18:24:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:24:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 18:24:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-14 18:24:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 18:24:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 18:24:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 18:24:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 18:24:13,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:24:13,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868482112] [2021-12-14 18:24:13,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868482112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:24:13,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:24:13,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:24:13,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911341125] [2021-12-14 18:24:13,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:24:13,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:24:13,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:24:13,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:24:13,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:24:13,899 INFO L87 Difference]: Start difference. First operand has 2456 states, 1665 states have (on average 1.330930930930931) internal successors, (2216), 1703 states have internal predecessors, (2216), 664 states have call successors, (664), 126 states have call predecessors, (664), 125 states have return successors, (658), 654 states have call predecessors, (658), 658 states have call successors, (658) Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 18:24:18,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:20,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:22,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:24,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:40,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:42,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:24:48,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:24:48,416 INFO L93 Difference]: Finished difference Result 7664 states and 11673 transitions. [2021-12-14 18:24:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:24:48,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2021-12-14 18:24:48,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:24:48,460 INFO L225 Difference]: With dead ends: 7664 [2021-12-14 18:24:48,460 INFO L226 Difference]: Without dead ends: 5184 [2021-12-14 18:24:48,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:24:48,482 INFO L933 BasicCegarLoop]: 4010 mSDtfsCounter, 5852 mSDsluCounter, 4963 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 5270 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6344 SdHoareTripleChecker+Valid, 8973 SdHoareTripleChecker+Invalid, 8676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5270 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:24:48,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6344 Valid, 8973 Invalid, 8676 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5270 Valid, 3402 Invalid, 4 Unknown, 0 Unchecked, 33.6s Time] [2021-12-14 18:24:48,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2021-12-14 18:24:48,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 4183. [2021-12-14 18:24:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4183 states, 2837 states have (on average 1.3249911878745153) internal successors, (3759), 2889 states have internal predecessors, (3759), 1117 states have call successors, (1117), 229 states have call predecessors, (1117), 228 states have return successors, (1116), 1108 states have call predecessors, (1116), 1116 states have call successors, (1116) [2021-12-14 18:24:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 5992 transitions. [2021-12-14 18:24:48,747 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 5992 transitions. Word has length 107 [2021-12-14 18:24:48,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:24:48,747 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 5992 transitions. [2021-12-14 18:24:48,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 18:24:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 5992 transitions. [2021-12-14 18:24:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-14 18:24:48,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:24:48,755 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:24:48,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:24:48,755 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:24:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:24:48,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1327248420, now seen corresponding path program 1 times [2021-12-14 18:24:48,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:24:48,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344646603] [2021-12-14 18:24:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:24:48,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:24:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:24:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 18:24:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-14 18:24:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 18:24:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 18:24:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 18:24:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:24:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-14 18:24:49,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:24:49,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344646603] [2021-12-14 18:24:49,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344646603] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:24:49,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:24:49,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:24:49,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487612621] [2021-12-14 18:24:49,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:24:49,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:24:49,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:24:49,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:24:49,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:24:49,145 INFO L87 Difference]: Start difference. First operand 4183 states and 5992 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)