./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 04:38:01,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:38:01,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:38:01,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:38:01,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:38:01,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:38:01,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:38:01,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:38:01,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:38:01,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:38:01,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:38:01,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:38:01,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:38:01,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:38:01,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:38:01,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:38:01,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:38:01,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:38:01,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:38:01,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:38:01,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:38:01,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:38:01,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:38:01,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:38:01,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:38:01,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:38:01,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:38:01,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:38:01,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:38:01,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:38:01,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:38:01,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:38:01,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:38:01,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:38:01,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:38:01,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:38:01,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:38:01,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:38:01,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:38:01,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:38:02,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:38:02,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:38:02,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:38:02,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:38:02,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:38:02,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:38:02,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:38:02,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:38:02,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:38:02,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:38:02,032 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:38:02,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:38:02,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:38:02,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:38:02,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:38:02,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:38:02,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:38:02,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:38:02,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:38:02,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:38:02,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:38:02,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:38:02,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:38:02,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:38:02,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:38:02,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:38:02,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:38:02,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:38:02,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:38:02,036 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:38:02,036 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:38:02,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:38:02,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:38:02,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a621364e853f6cea57e1b9be3d64dd0229cd7b56b8697c8ff667994a99ac7d5 [2021-12-16 04:38:02,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:38:02,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:38:02,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:38:02,286 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:38:02,287 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:38:02,287 INFO L432 ainManager$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 [2021-12-16 04:38:02,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d6f3e70/1cf9bcc7d57a4ae3960f53c44cc58103/FLAGaa4198f0c [2021-12-16 04:38:03,006 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:38:03,007 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 [2021-12-16 04:38:03,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d6f3e70/1cf9bcc7d57a4ae3960f53c44cc58103/FLAGaa4198f0c [2021-12-16 04:38:03,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9d6f3e70/1cf9bcc7d57a4ae3960f53c44cc58103 [2021-12-16 04:38:03,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:38:03,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:38:03,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:38:03,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:38:03,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:38:03,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:38:03" (1/1) ... [2021-12-16 04:38:03,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d5c9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:03, skipping insertion in model container [2021-12-16 04:38:03,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:38:03" (1/1) ... [2021-12-16 04:38:03,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:38:03,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:38:05,265 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] [2021-12-16 04:38:05,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:38:05,360 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:38:05,762 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] [2021-12-16 04:38:05,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:38:05,847 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:38:05,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05 WrapperNode [2021-12-16 04:38:05,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:38:05,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:38:05,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:38:05,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:38:05,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:05,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,101 INFO L137 Inliner]: procedures = 357, calls = 3641, calls flagged for inlining = 134, calls inlined = 130, statements flattened = 6994 [2021-12-16 04:38:06,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:38:06,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:38:06,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:38:06,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:38:06,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:38:06,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:38:06,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:38:06,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:38:06,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (1/1) ... [2021-12-16 04:38:06,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:38:06,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:38:06,408 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) [2021-12-16 04:38:06,425 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 [2021-12-16 04:38:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 04:38:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 04:38:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2021-12-16 04:38:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2021-12-16 04:38:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2021-12-16 04:38:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2021-12-16 04:38:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2021-12-16 04:38:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2021-12-16 04:38:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:38:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:38:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2021-12-16 04:38:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2021-12-16 04:38:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2021-12-16 04:38:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2021-12-16 04:38:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-16 04:38:06,440 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-16 04:38:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:38:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:38:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:38:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:38:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:38:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:38:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2021-12-16 04:38:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2021-12-16 04:38:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:38:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:38:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2021-12-16 04:38:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2021-12-16 04:38:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2021-12-16 04:38:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2021-12-16 04:38:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2021-12-16 04:38:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2021-12-16 04:38:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2021-12-16 04:38:06,442 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2021-12-16 04:38:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2021-12-16 04:38:06,443 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2021-12-16 04:38:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2021-12-16 04:38:06,443 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2021-12-16 04:38:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-16 04:38:06,443 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-16 04:38:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2021-12-16 04:38:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2021-12-16 04:38:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2021-12-16 04:38:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2021-12-16 04:38:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2021-12-16 04:38:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2021-12-16 04:38:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2021-12-16 04:38:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2021-12-16 04:38:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-16 04:38:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-16 04:38:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2021-12-16 04:38:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2021-12-16 04:38:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:38:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:38:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:38:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:38:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2021-12-16 04:38:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2021-12-16 04:38:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2021-12-16 04:38:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2021-12-16 04:38:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2021-12-16 04:38:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2021-12-16 04:38:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2021-12-16 04:38:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2021-12-16 04:38:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-16 04:38:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-16 04:38:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2021-12-16 04:38:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2021-12-16 04:38:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2021-12-16 04:38:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2021-12-16 04:38:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:38:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:38:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2021-12-16 04:38:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2021-12-16 04:38:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-16 04:38:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-16 04:38:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2021-12-16 04:38:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2021-12-16 04:38:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2021-12-16 04:38:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2021-12-16 04:38:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2021-12-16 04:38:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2021-12-16 04:38:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2021-12-16 04:38:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2021-12-16 04:38:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2021-12-16 04:38:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2021-12-16 04:38:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2021-12-16 04:38:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2021-12-16 04:38:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2021-12-16 04:38:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2021-12-16 04:38:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:38:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:38:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:38:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2021-12-16 04:38:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2021-12-16 04:38:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2021-12-16 04:38:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2021-12-16 04:38:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2021-12-16 04:38:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2021-12-16 04:38:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:38:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 04:38:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 04:38:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-16 04:38:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-16 04:38:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-16 04:38:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-16 04:38:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-16 04:38:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-16 04:38:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2021-12-16 04:38:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2021-12-16 04:38:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:38:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2021-12-16 04:38:06,456 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2021-12-16 04:38:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:38:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2021-12-16 04:38:06,456 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2021-12-16 04:38:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2021-12-16 04:38:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2021-12-16 04:38:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2021-12-16 04:38:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2021-12-16 04:38:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2021-12-16 04:38:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2021-12-16 04:38:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-16 04:38:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-16 04:38:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:38:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:38:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:38:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:38:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:38:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:38:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2021-12-16 04:38:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2021-12-16 04:38:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2021-12-16 04:38:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2021-12-16 04:38:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:38:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:38:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2021-12-16 04:38:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2021-12-16 04:38:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-16 04:38:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-16 04:38:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2021-12-16 04:38:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2021-12-16 04:38:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:38:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2021-12-16 04:38:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2021-12-16 04:38:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2021-12-16 04:38:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2021-12-16 04:38:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2021-12-16 04:38:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2021-12-16 04:38:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2021-12-16 04:38:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2021-12-16 04:38:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:38:06,468 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:38:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:38:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2021-12-16 04:38:06,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2021-12-16 04:38:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-16 04:38:06,468 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-16 04:38:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2021-12-16 04:38:06,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2021-12-16 04:38:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:38:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2021-12-16 04:38:06,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2021-12-16 04:38:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2021-12-16 04:38:06,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2021-12-16 04:38:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2021-12-16 04:38:06,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2021-12-16 04:38:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:38:06,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:38:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2021-12-16 04:38:06,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2021-12-16 04:38:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-16 04:38:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-16 04:38:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-16 04:38:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-16 04:38:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2021-12-16 04:38:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2021-12-16 04:38:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:38:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:38:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2021-12-16 04:38:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2021-12-16 04:38:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2021-12-16 04:38:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2021-12-16 04:38:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2021-12-16 04:38:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2021-12-16 04:38:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:38:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:38:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2021-12-16 04:38:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2021-12-16 04:38:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2021-12-16 04:38:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2021-12-16 04:38:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2021-12-16 04:38:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2021-12-16 04:38:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:38:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:38:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:38:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:38:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:38:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2021-12-16 04:38:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2021-12-16 04:38:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:38:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:38:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2021-12-16 04:38:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2021-12-16 04:38:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2021-12-16 04:38:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2021-12-16 04:38:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:38:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2021-12-16 04:38:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2021-12-16 04:38:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-16 04:38:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2021-12-16 04:38:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2021-12-16 04:38:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:38:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:38:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2021-12-16 04:38:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2021-12-16 04:38:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:38:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2021-12-16 04:38:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2021-12-16 04:38:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-12-16 04:38:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-12-16 04:38:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:38:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2021-12-16 04:38:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2021-12-16 04:38:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2021-12-16 04:38:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2021-12-16 04:38:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2021-12-16 04:38:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2021-12-16 04:38:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2021-12-16 04:38:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2021-12-16 04:38:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2021-12-16 04:38:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2021-12-16 04:38:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2021-12-16 04:38:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2021-12-16 04:38:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2021-12-16 04:38:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2021-12-16 04:38:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2021-12-16 04:38:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2021-12-16 04:38:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2021-12-16 04:38:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2021-12-16 04:38:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2021-12-16 04:38:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2021-12-16 04:38:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-16 04:38:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-16 04:38:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2021-12-16 04:38:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2021-12-16 04:38:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-16 04:38:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-16 04:38:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2021-12-16 04:38:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2021-12-16 04:38:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:38:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:38:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2021-12-16 04:38:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2021-12-16 04:38:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:38:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:38:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2021-12-16 04:38:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2021-12-16 04:38:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2021-12-16 04:38:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2021-12-16 04:38:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-16 04:38:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-16 04:38:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:38:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2021-12-16 04:38:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2021-12-16 04:38:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:38:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:38:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2021-12-16 04:38:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2021-12-16 04:38:07,474 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:38:07,480 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:38:07,959 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:38:30,697 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:38:30,711 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:38:30,711 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:38:30,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:38:30 BoogieIcfgContainer [2021-12-16 04:38:30,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:38:30,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:38:30,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:38:30,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:38:30,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:38:03" (1/3) ... [2021-12-16 04:38:30,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39009152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:38:30, skipping insertion in model container [2021-12-16 04:38:30,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:05" (2/3) ... [2021-12-16 04:38:30,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39009152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:38:30, skipping insertion in model container [2021-12-16 04:38:30,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:38:30" (3/3) ... [2021-12-16 04:38:30,720 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-16 04:38:30,724 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:38:30,724 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:38:30,761 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:38:30,765 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 [2021-12-16 04:38:30,766 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:38:30,820 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) [2021-12-16 04:38:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-16 04:38:30,837 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:38:30,838 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] [2021-12-16 04:38:30,838 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:38:30,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:38:30,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2034179201, now seen corresponding path program 1 times [2021-12-16 04:38:30,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:38:30,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348044319] [2021-12-16 04:38:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:38:30,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:38:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:38:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-16 04:38:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:38:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 04:38:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 04:38:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 04:38:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 04:38:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:38:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:38:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 04:38:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:38:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-16 04:38:31,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:38:31,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348044319] [2021-12-16 04:38:31,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348044319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:38:31,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:38:31,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:38:31,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241192493] [2021-12-16 04:38:31,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:38:31,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:38:31,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:38:31,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:38:31,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:38:31,691 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) [2021-12-16 04:38:36,014 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 [] [2021-12-16 04:38:59,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:39:02,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:39:02,934 INFO L93 Difference]: Finished difference Result 7664 states and 11673 transitions. [2021-12-16 04:39:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:39:02,937 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 [2021-12-16 04:39:02,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:39:02,985 INFO L225 Difference]: With dead ends: 7664 [2021-12-16 04:39:02,986 INFO L226 Difference]: Without dead ends: 5184 [2021-12-16 04:39:03,006 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 [2021-12-16 04:39:03,009 INFO L933 BasicCegarLoop]: 4028 mSDtfsCounter, 5822 mSDsluCounter, 4968 mSDsCounter, 0 mSdLazyCounter, 3448 mSolverCounterSat, 5256 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6309 SdHoareTripleChecker+Valid, 8996 SdHoareTripleChecker+Invalid, 8705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5256 IncrementalHoareTripleChecker+Valid, 3448 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:39:03,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6309 Valid, 8996 Invalid, 8705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5256 Valid, 3448 Invalid, 1 Unknown, 0 Unchecked, 30.3s Time] [2021-12-16 04:39:03,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2021-12-16 04:39:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 4183. [2021-12-16 04:39:03,252 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) [2021-12-16 04:39:03,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 5992 transitions. [2021-12-16 04:39:03,282 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 5992 transitions. Word has length 107 [2021-12-16 04:39:03,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:39:03,283 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 5992 transitions. [2021-12-16 04:39:03,284 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) [2021-12-16 04:39:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 5992 transitions. [2021-12-16 04:39:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-16 04:39:03,289 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:39:03,290 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] [2021-12-16 04:39:03,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:39:03,290 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:39:03,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:39:03,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1370606477, now seen corresponding path program 1 times [2021-12-16 04:39:03,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:39:03,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145018481] [2021-12-16 04:39:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:39:03,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:39:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:39:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:39:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 04:39:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 04:39:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:39:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 04:39:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 04:39:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 04:39:03,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:39:03,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145018481] [2021-12-16 04:39:03,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145018481] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:39:03,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:39:03,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:39:03,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762780545] [2021-12-16 04:39:03,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:39:03,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:39:03,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:39:03,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:39:03,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:39:03,677 INFO L87 Difference]: Start difference. First operand 4183 states and 5992 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 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)