./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-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-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 d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:12:28,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:12:28,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:12:28,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:12:28,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:12:28,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:12:28,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:12:28,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:12:28,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:12:28,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:12:28,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:12:28,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:12:28,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:12:28,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:12:28,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:12:28,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:12:28,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:12:28,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:12:28,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:12:28,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:12:28,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:12:28,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:12:28,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:12:28,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:12:28,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:12:28,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:12:28,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:12:28,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:12:28,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:12:28,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:12:28,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:12:28,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:12:28,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:12:28,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:12:28,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:12:28,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:12:28,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:12:28,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:12:28,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:12:28,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:12:28,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:12:28,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:12:28,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:12:28,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:12:28,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:12:28,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:12:28,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:12:28,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:12:28,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:12:28,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:12:28,241 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:12:28,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:12:28,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:12:28,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:12:28,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:12:28,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:12:28,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:12:28,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:12:28,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:12:28,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:12:28,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:12:28,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:12:28,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:12:28,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:12:28,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:12:28,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:12:28,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:12:28,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:12:28,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:12:28,246 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:12:28,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:12:28,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:12:28,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:12:28,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 [2021-12-14 18:12:28,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:12:28,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:12:28,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:12:28,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:12:28,468 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:12:28,469 INFO L432 ainManager$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-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-14 18:12:28,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4420d44aa/85401cd6d03e4f39a7a6a4bc81902533/FLAG4320f7f6c [2021-12-14 18:12:29,181 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:12:29,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-14 18:12:29,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4420d44aa/85401cd6d03e4f39a7a6a4bc81902533/FLAG4320f7f6c [2021-12-14 18:12:29,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4420d44aa/85401cd6d03e4f39a7a6a4bc81902533 [2021-12-14 18:12:29,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:12:29,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:12:29,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:12:29,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:12:29,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:12:29,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:12:29" (1/1) ... [2021-12-14 18:12:29,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a00b20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:29, skipping insertion in model container [2021-12-14 18:12:29,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:12:29" (1/1) ... [2021-12-14 18:12:29,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:12:29,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:12:31,270 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-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[312804,312817] [2021-12-14 18:12:31,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:12:31,398 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:12:31,740 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-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[312804,312817] [2021-12-14 18:12:31,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:12:31,840 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:12:31,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31 WrapperNode [2021-12-14 18:12:31,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:12:31,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:12:31,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:12:31,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:12:31,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:31,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,136 INFO L137 Inliner]: procedures = 480, calls = 3867, calls flagged for inlining = 166, calls inlined = 158, statements flattened = 7270 [2021-12-14 18:12:32,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:12:32,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:12:32,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:12:32,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:12:32,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:12:32,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:12:32,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:12:32,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:12:32,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (1/1) ... [2021-12-14 18:12:32,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:12:32,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:12:32,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:12:32,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:12:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_ring [2021-12-14 18:12:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_ring [2021-12-14 18:12:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2021-12-14 18:12:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2021-12-14 18:12:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-14 18:12:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-14 18:12:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:12:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:12:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:12:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:12:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2021-12-14 18:12:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2021-12-14 18:12:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2021-12-14 18:12:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2021-12-14 18:12:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-14 18:12:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-14 18:12:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2021-12-14 18:12:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2021-12-14 18:12:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2021-12-14 18:12:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2021-12-14 18:12:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2021-12-14 18:12:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2021-12-14 18:12:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2021-12-14 18:12:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2021-12-14 18:12:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2021-12-14 18:12:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2021-12-14 18:12:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2021-12-14 18:12:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2021-12-14 18:12:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:12:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:12:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2021-12-14 18:12:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2021-12-14 18:12:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:12:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:12:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:12:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:12:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_ring [2021-12-14 18:12:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_ring [2021-12-14 18:12:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2021-12-14 18:12:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2021-12-14 18:12:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:12:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2021-12-14 18:12:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2021-12-14 18:12:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2021-12-14 18:12:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2021-12-14 18:12:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:12:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:12:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2021-12-14 18:12:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2021-12-14 18:12:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2021-12-14 18:12:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2021-12-14 18:12:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:12:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:12:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2021-12-14 18:12:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2021-12-14 18:12:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-14 18:12:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-14 18:12:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2021-12-14 18:12:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2021-12-14 18:12:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb [2021-12-14 18:12:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb [2021-12-14 18:12:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:12:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2021-12-14 18:12:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2021-12-14 18:12:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:12:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:12:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2021-12-14 18:12:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2021-12-14 18:12:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-14 18:12:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-14 18:12:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-14 18:12:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-14 18:12:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2021-12-14 18:12:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2021-12-14 18:12:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2021-12-14 18:12:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2021-12-14 18:12:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2021-12-14 18:12:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2021-12-14 18:12:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2021-12-14 18:12:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2021-12-14 18:12:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:12:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:12:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2021-12-14 18:12:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2021-12-14 18:12:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:12:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:12:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2021-12-14 18:12:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2021-12-14 18:12:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:12:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2021-12-14 18:12:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2021-12-14 18:12:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:12:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:12:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:12:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:12:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2021-12-14 18:12:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2021-12-14 18:12:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2021-12-14 18:12:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2021-12-14 18:12:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2021-12-14 18:12:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2021-12-14 18:12:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:12:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:12:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:12:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:12:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-14 18:12:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-14 18:12:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb [2021-12-14 18:12:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb [2021-12-14 18:12:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2021-12-14 18:12:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2021-12-14 18:12:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:12:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:12:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:12:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:12:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2021-12-14 18:12:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2021-12-14 18:12:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2021-12-14 18:12:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2021-12-14 18:12:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:12:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:12:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2021-12-14 18:12:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2021-12-14 18:12:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2021-12-14 18:12:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2021-12-14 18:12:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:12:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:12:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:12:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:12:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2021-12-14 18:12:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2021-12-14 18:12:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2021-12-14 18:12:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2021-12-14 18:12:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2021-12-14 18:12:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2021-12-14 18:12:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2021-12-14 18:12:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2021-12-14 18:12:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2021-12-14 18:12:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2021-12-14 18:12:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2021-12-14 18:12:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2021-12-14 18:12:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2021-12-14 18:12:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2021-12-14 18:12:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-14 18:12:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-14 18:12:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2021-12-14 18:12:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2021-12-14 18:12:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:12:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:12:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:12:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:12:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2021-12-14 18:12:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2021-12-14 18:12:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2021-12-14 18:12:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2021-12-14 18:12:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-14 18:12:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-14 18:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:12:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2021-12-14 18:12:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2021-12-14 18:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2021-12-14 18:12:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2021-12-14 18:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2021-12-14 18:12:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2021-12-14 18:12:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 18:12:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 18:12:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2021-12-14 18:12:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2021-12-14 18:12:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2021-12-14 18:12:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2021-12-14 18:12:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2021-12-14 18:12:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2021-12-14 18:12:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 18:12:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 18:12:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2021-12-14 18:12:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2021-12-14 18:12:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:12:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:12:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:12:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2021-12-14 18:12:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2021-12-14 18:12:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2021-12-14 18:12:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2021-12-14 18:12:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2021-12-14 18:12:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2021-12-14 18:12:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:12:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-14 18:12:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-14 18:12:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-14 18:12:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-14 18:12:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:12:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2021-12-14 18:12:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2021-12-14 18:12:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2021-12-14 18:12:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2021-12-14 18:12:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2021-12-14 18:12:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2021-12-14 18:12:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:12:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:12:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:12:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:12:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:12:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:12:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2021-12-14 18:12:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2021-12-14 18:12:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:12:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:12:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2021-12-14 18:12:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2021-12-14 18:12:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 18:12:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 18:12:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2021-12-14 18:12:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2021-12-14 18:12:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2021-12-14 18:12:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2021-12-14 18:12:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2021-12-14 18:12:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2021-12-14 18:12:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2021-12-14 18:12:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2021-12-14 18:12:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:12:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:12:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2021-12-14 18:12:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2021-12-14 18:12:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2021-12-14 18:12:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2021-12-14 18:12:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2021-12-14 18:12:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2021-12-14 18:12:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2021-12-14 18:12:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2021-12-14 18:12:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:12:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:12:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2021-12-14 18:12:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2021-12-14 18:12:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:12:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:12:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:12:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2021-12-14 18:12:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2021-12-14 18:12:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2021-12-14 18:12:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2021-12-14 18:12:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2021-12-14 18:12:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2021-12-14 18:12:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2021-12-14 18:12:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2021-12-14 18:12:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-12-14 18:12:32,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-12-14 18:12:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2021-12-14 18:12:32,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2021-12-14 18:12:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2021-12-14 18:12:32,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2021-12-14 18:12:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2021-12-14 18:12:32,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2021-12-14 18:12:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2021-12-14 18:12:32,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2021-12-14 18:12:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2021-12-14 18:12:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2021-12-14 18:12:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2021-12-14 18:12:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2021-12-14 18:12:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2021-12-14 18:12:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2021-12-14 18:12:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:12:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:12:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2021-12-14 18:12:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2021-12-14 18:12:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-14 18:12:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-14 18:12:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2021-12-14 18:12:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2021-12-14 18:12:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2021-12-14 18:12:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2021-12-14 18:12:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2021-12-14 18:12:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2021-12-14 18:12:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2021-12-14 18:12:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2021-12-14 18:12:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_nhi [2021-12-14 18:12:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_nhi [2021-12-14 18:12:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:12:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2021-12-14 18:12:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2021-12-14 18:12:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_nhi [2021-12-14 18:12:32,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_nhi [2021-12-14 18:12:33,579 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:12:33,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:12:33,879 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:12:52,086 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:12:52,100 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:12:52,101 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:12:52,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:12:52 BoogieIcfgContainer [2021-12-14 18:12:52,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:12:52,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:12:52,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:12:52,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:12:52,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:12:29" (1/3) ... [2021-12-14 18:12:52,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588d09bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:12:52, skipping insertion in model container [2021-12-14 18:12:52,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:31" (2/3) ... [2021-12-14 18:12:52,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588d09bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:12:52, skipping insertion in model container [2021-12-14 18:12:52,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:12:52" (3/3) ... [2021-12-14 18:12:52,110 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-14 18:12:52,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:12:52,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:12:52,159 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:12:52,165 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:12:52,165 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:12:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 2542 states, 1707 states have (on average 1.328646748681898) internal successors, (2268), 1754 states have internal predecessors, (2268), 701 states have call successors, (701), 133 states have call predecessors, (701), 132 states have return successors, (695), 691 states have call predecessors, (695), 695 states have call successors, (695) [2021-12-14 18:12:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-14 18:12:52,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:12:52,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:12:52,216 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:12:52,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:12:52,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1765604170, now seen corresponding path program 1 times [2021-12-14 18:12:52,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:12:52,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562086822] [2021-12-14 18:12:52,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:12:52,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:12:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:12:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:52,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 18:12:52,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:12:52,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562086822] [2021-12-14 18:12:52,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562086822] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:12:52,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:12:52,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:12:52,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393197246] [2021-12-14 18:12:52,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:12:52,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:12:52,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:12:52,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:12:52,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:12:52,637 INFO L87 Difference]: Start difference. First operand has 2542 states, 1707 states have (on average 1.328646748681898) internal successors, (2268), 1754 states have internal predecessors, (2268), 701 states have call successors, (701), 133 states have call predecessors, (701), 132 states have return successors, (695), 691 states have call predecessors, (695), 695 states have call successors, (695) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-14 18:12:56,363 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 [] [2021-12-14 18:12:58,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:13:01,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:13:10,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:13:15,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:13:17,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:13:20,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:13:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:13:22,735 INFO L93 Difference]: Finished difference Result 5694 states and 8677 transitions. [2021-12-14 18:13:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:13:22,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-12-14 18:13:22,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:13:22,768 INFO L225 Difference]: With dead ends: 5694 [2021-12-14 18:13:22,768 INFO L226 Difference]: Without dead ends: 3144 [2021-12-14 18:13:22,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:13:22,792 INFO L933 BasicCegarLoop]: 3393 mSDtfsCounter, 1110 mSDsluCounter, 2889 mSDsCounter, 0 mSdLazyCounter, 2321 mSolverCounterSat, 988 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 6282 SdHoareTripleChecker+Invalid, 3313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 988 IncrementalHoareTripleChecker+Valid, 2321 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:13:22,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1425 Valid, 6282 Invalid, 3313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [988 Valid, 2321 Invalid, 4 Unknown, 0 Unchecked, 29.5s Time] [2021-12-14 18:13:22,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2021-12-14 18:13:22,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 2529. [2021-12-14 18:13:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2529 states, 1702 states have (on average 1.3243243243243243) internal successors, (2254), 1741 states have internal predecessors, (2254), 695 states have call successors, (695), 132 states have call predecessors, (695), 131 states have return successors, (684), 680 states have call predecessors, (684), 684 states have call successors, (684) [2021-12-14 18:13:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3633 transitions. [2021-12-14 18:13:22,981 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3633 transitions. Word has length 35 [2021-12-14 18:13:22,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:13:22,981 INFO L470 AbstractCegarLoop]: Abstraction has 2529 states and 3633 transitions. [2021-12-14 18:13:22,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-14 18:13:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3633 transitions. [2021-12-14 18:13:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-14 18:13:22,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:13:22,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:13:22,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:13:22,985 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:13:22,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:13:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1899617676, now seen corresponding path program 1 times [2021-12-14 18:13:22,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:13:22,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279321086] [2021-12-14 18:13:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:13:22,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:13:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:13:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 18:13:23,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:13:23,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279321086] [2021-12-14 18:13:23,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279321086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:13:23,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:13:23,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:13:23,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079778281] [2021-12-14 18:13:23,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:13:23,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:13:23,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:13:23,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:13:23,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:13:23,493 INFO L87 Difference]: Start difference. First operand 2529 states and 3633 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-14 18:13:27,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:13:35,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []