./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 ae007674 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-dev-ae00767 [2021-12-28 04:36:08,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:36:08,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:36:08,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:36:08,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:36:08,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:36:08,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:36:08,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:36:08,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:36:08,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:36:08,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:36:08,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:36:08,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:36:08,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:36:08,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:36:08,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:36:08,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:36:08,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:36:08,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:36:08,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:36:09,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:36:09,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:36:09,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:36:09,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:36:09,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:36:09,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:36:09,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:36:09,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:36:09,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:36:09,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:36:09,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:36:09,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:36:09,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:36:09,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:36:09,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:36:09,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:36:09,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:36:09,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:36:09,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:36:09,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:36:09,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:36:09,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:36:09,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:36:09,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:36:09,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:36:09,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:36:09,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:36:09,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:36:09,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:36:09,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:36:09,052 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:36:09,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:36:09,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:36:09,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:36:09,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:36:09,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:36:09,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:36:09,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:36:09,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:36:09,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:36:09,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:36:09,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:36:09,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:36:09,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:36:09,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:36:09,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:36:09,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:36:09,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:36:09,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:36:09,056 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:36:09,056 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:36:09,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:36:09,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a621364e853f6cea57e1b9be3d64dd0229cd7b56b8697c8ff667994a99ac7d5 [2021-12-28 04:36:09,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:36:09,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:36:09,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:36:09,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:36:09,379 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:36:09,380 INFO L432 ainManager$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 [2021-12-28 04:36:09,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee494872f/81e2cb1c78b54d79b38388e81596d849/FLAG7541cf9e8 [2021-12-28 04:36:10,090 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:36:10,091 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 [2021-12-28 04:36:10,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee494872f/81e2cb1c78b54d79b38388e81596d849/FLAG7541cf9e8 [2021-12-28 04:36:10,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee494872f/81e2cb1c78b54d79b38388e81596d849 [2021-12-28 04:36:10,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:36:10,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:36:10,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:36:10,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:36:10,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:36:10,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:36:10" (1/1) ... [2021-12-28 04:36:10,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9b5987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:10, skipping insertion in model container [2021-12-28 04:36:10,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:36:10" (1/1) ... [2021-12-28 04:36:10,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:36:10,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:36:11,770 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] [2021-12-28 04:36:11,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:36:11,836 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:36:12,326 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] [2021-12-28 04:36:12,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:36:12,413 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:36:12,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12 WrapperNode [2021-12-28 04:36:12,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:36:12,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:36:12,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:36:12,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:36:12,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,693 INFO L137 Inliner]: procedures = 357, calls = 3641, calls flagged for inlining = 134, calls inlined = 130, statements flattened = 6994 [2021-12-28 04:36:12,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:36:12,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:36:12,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:36:12,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:36:12,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:36:12,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:36:12,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:36:12,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:36:12,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (1/1) ... [2021-12-28 04:36:12,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:36:12,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:36:13,005 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) [2021-12-28 04:36:13,011 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 [2021-12-28 04:36:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:36:13,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:36:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2021-12-28 04:36:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2021-12-28 04:36:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2021-12-28 04:36:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2021-12-28 04:36:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2021-12-28 04:36:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2021-12-28 04:36:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:36:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:36:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2021-12-28 04:36:13,031 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2021-12-28 04:36:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2021-12-28 04:36:13,031 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2021-12-28 04:36:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-28 04:36:13,031 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-28 04:36:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:36:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:36:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:36:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:36:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:36:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:36:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2021-12-28 04:36:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2021-12-28 04:36:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:36:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:36:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2021-12-28 04:36:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2021-12-28 04:36:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2021-12-28 04:36:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2021-12-28 04:36:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2021-12-28 04:36:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2021-12-28 04:36:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2021-12-28 04:36:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2021-12-28 04:36:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2021-12-28 04:36:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2021-12-28 04:36:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2021-12-28 04:36:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2021-12-28 04:36:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-28 04:36:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-28 04:36:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2021-12-28 04:36:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2021-12-28 04:36:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2021-12-28 04:36:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2021-12-28 04:36:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2021-12-28 04:36:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2021-12-28 04:36:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2021-12-28 04:36:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2021-12-28 04:36:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-28 04:36:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-28 04:36:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2021-12-28 04:36:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2021-12-28 04:36:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:36:13,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:36:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:36:13,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:36:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2021-12-28 04:36:13,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2021-12-28 04:36:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2021-12-28 04:36:13,036 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2021-12-28 04:36:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2021-12-28 04:36:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2021-12-28 04:36:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2021-12-28 04:36:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2021-12-28 04:36:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-28 04:36:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-28 04:36:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2021-12-28 04:36:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2021-12-28 04:36:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2021-12-28 04:36:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2021-12-28 04:36:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:36:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:36:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2021-12-28 04:36:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2021-12-28 04:36:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 04:36:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 04:36:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2021-12-28 04:36:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2021-12-28 04:36:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2021-12-28 04:36:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2021-12-28 04:36:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2021-12-28 04:36:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2021-12-28 04:36:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2021-12-28 04:36:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2021-12-28 04:36:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2021-12-28 04:36:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2021-12-28 04:36:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2021-12-28 04:36:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2021-12-28 04:36:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2021-12-28 04:36:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2021-12-28 04:36:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:36:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:36:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:36:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2021-12-28 04:36:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2021-12-28 04:36:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2021-12-28 04:36:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2021-12-28 04:36:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2021-12-28 04:36:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2021-12-28 04:36:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:36:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:36:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:36:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-28 04:36:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-28 04:36:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 04:36:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 04:36:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-28 04:36:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-28 04:36:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2021-12-28 04:36:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2021-12-28 04:36:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:36:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2021-12-28 04:36:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2021-12-28 04:36:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:36:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2021-12-28 04:36:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2021-12-28 04:36:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2021-12-28 04:36:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2021-12-28 04:36:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2021-12-28 04:36:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2021-12-28 04:36:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2021-12-28 04:36:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2021-12-28 04:36:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:36:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:36:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:36:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:36:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:36:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:36:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:36:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:36:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2021-12-28 04:36:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2021-12-28 04:36:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2021-12-28 04:36:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2021-12-28 04:36:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:36:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:36:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2021-12-28 04:36:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2021-12-28 04:36:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-28 04:36:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-28 04:36:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2021-12-28 04:36:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2021-12-28 04:36:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:36:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2021-12-28 04:36:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2021-12-28 04:36:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2021-12-28 04:36:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2021-12-28 04:36:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2021-12-28 04:36:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2021-12-28 04:36:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2021-12-28 04:36:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2021-12-28 04:36:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:36:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:36:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:36:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2021-12-28 04:36:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2021-12-28 04:36:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-28 04:36:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-28 04:36:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2021-12-28 04:36:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2021-12-28 04:36:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:36:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2021-12-28 04:36:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2021-12-28 04:36:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2021-12-28 04:36:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2021-12-28 04:36:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2021-12-28 04:36:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2021-12-28 04:36:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:36:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:36:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2021-12-28 04:36:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2021-12-28 04:36:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-28 04:36:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-28 04:36:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-28 04:36:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-28 04:36:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2021-12-28 04:36:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2021-12-28 04:36:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:36:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:36:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2021-12-28 04:36:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2021-12-28 04:36:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2021-12-28 04:36:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2021-12-28 04:36:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2021-12-28 04:36:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2021-12-28 04:36:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:36:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:36:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2021-12-28 04:36:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2021-12-28 04:36:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2021-12-28 04:36:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2021-12-28 04:36:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2021-12-28 04:36:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2021-12-28 04:36:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:36:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:36:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:36:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:36:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:36:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2021-12-28 04:36:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2021-12-28 04:36:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:36:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:36:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2021-12-28 04:36:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2021-12-28 04:36:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2021-12-28 04:36:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2021-12-28 04:36:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:36:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2021-12-28 04:36:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2021-12-28 04:36:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-28 04:36:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2021-12-28 04:36:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2021-12-28 04:36:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:36:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:36:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2021-12-28 04:36:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2021-12-28 04:36:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:36:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2021-12-28 04:36:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2021-12-28 04:36:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-12-28 04:36:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-12-28 04:36:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:36:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2021-12-28 04:36:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2021-12-28 04:36:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2021-12-28 04:36:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2021-12-28 04:36:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2021-12-28 04:36:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2021-12-28 04:36:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2021-12-28 04:36:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2021-12-28 04:36:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2021-12-28 04:36:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2021-12-28 04:36:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2021-12-28 04:36:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2021-12-28 04:36:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2021-12-28 04:36:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2021-12-28 04:36:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2021-12-28 04:36:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2021-12-28 04:36:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2021-12-28 04:36:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2021-12-28 04:36:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2021-12-28 04:36:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2021-12-28 04:36:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:36:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:36:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2021-12-28 04:36:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2021-12-28 04:36:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-28 04:36:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-28 04:36:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2021-12-28 04:36:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2021-12-28 04:36:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:36:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:36:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2021-12-28 04:36:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2021-12-28 04:36:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:36:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:36:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2021-12-28 04:36:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2021-12-28 04:36:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2021-12-28 04:36:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2021-12-28 04:36:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-28 04:36:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-28 04:36:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:36:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2021-12-28 04:36:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2021-12-28 04:36:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:36:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:36:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2021-12-28 04:36:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2021-12-28 04:36:13,964 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:36:13,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:36:14,438 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:36:29,689 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:36:29,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:36:29,712 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:36:29,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:36:29 BoogieIcfgContainer [2021-12-28 04:36:29,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:36:29,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:36:29,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:36:29,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:36:29,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:36:10" (1/3) ... [2021-12-28 04:36:29,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b4ad4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:36:29, skipping insertion in model container [2021-12-28 04:36:29,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:36:12" (2/3) ... [2021-12-28 04:36:29,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b4ad4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:36:29, skipping insertion in model container [2021-12-28 04:36:29,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:36:29" (3/3) ... [2021-12-28 04:36:29,723 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-28 04:36:29,727 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:36:29,728 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:36:29,778 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:36:29,784 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 [2021-12-28 04:36:29,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:36:29,836 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) [2021-12-28 04:36:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-28 04:36:29,856 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:36:29,857 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] [2021-12-28 04:36:29,857 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:36:29,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:36:29,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2034179201, now seen corresponding path program 1 times [2021-12-28 04:36:29,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:36:29,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497111695] [2021-12-28 04:36:29,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:36:29,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:36:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:36:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-28 04:36:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:36:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 04:36:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 04:36:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 04:36:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:36:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:36:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:36:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 04:36:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:36:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 04:36:30,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:36:30,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497111695] [2021-12-28 04:36:30,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497111695] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:36:30,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:36:30,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:36:30,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114175285] [2021-12-28 04:36:30,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:36:30,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:36:30,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:36:30,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:36:30,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:36:30,686 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) [2021-12-28 04:36:34,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:36:37,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:36:39,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:36:55,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:37:01,935 INFO L93 Difference]: Finished difference Result 7664 states and 11673 transitions. [2021-12-28 04:37:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:37:01,937 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 [2021-12-28 04:37:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:37:01,976 INFO L225 Difference]: With dead ends: 7664 [2021-12-28 04:37:01,977 INFO L226 Difference]: Without dead ends: 5184 [2021-12-28 04:37:01,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:37:02,002 INFO L933 BasicCegarLoop]: 4030 mSDtfsCounter, 5830 mSDsluCounter, 4605 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 5253 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6323 SdHoareTripleChecker+Valid, 8635 SdHoareTripleChecker+Invalid, 9029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5253 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:37:02,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6323 Valid, 8635 Invalid, 9029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5253 Valid, 3773 Invalid, 3 Unknown, 0 Unchecked, 30.3s Time] [2021-12-28 04:37:02,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2021-12-28 04:37:02,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 4183. [2021-12-28 04:37:02,262 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) [2021-12-28 04:37:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 5992 transitions. [2021-12-28 04:37:02,289 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 5992 transitions. Word has length 107 [2021-12-28 04:37:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:37:02,291 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 5992 transitions. [2021-12-28 04:37:02,291 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) [2021-12-28 04:37:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 5992 transitions. [2021-12-28 04:37:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-28 04:37:02,299 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:02,300 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] [2021-12-28 04:37:02,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:37:02,300 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:02,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:02,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1327248420, now seen corresponding path program 1 times [2021-12-28 04:37:02,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:02,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804616299] [2021-12-28 04:37:02,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:02,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-28 04:37:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-28 04:37:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 04:37:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 04:37:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 04:37:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:37:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-28 04:37:02,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:02,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804616299] [2021-12-28 04:37:02,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804616299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:02,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:02,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:37:02,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057893331] [2021-12-28 04:37:02,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:02,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:37:02,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:02,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:37:02,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:37:02,736 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) [2021-12-28 04:37:08,144 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 [] [2021-12-28 04:37:10,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:37:14,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []