./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 ff03de63 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-dev-ff03de6 [2021-12-21 16:39:56,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:39:56,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:39:56,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:39:56,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:39:56,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:39:56,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:39:56,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:39:56,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:39:56,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:39:56,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:39:56,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:39:56,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:39:56,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:39:56,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:39:56,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:39:56,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:39:56,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:39:56,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:39:56,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:39:56,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:39:56,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:39:56,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:39:56,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:39:56,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:39:56,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:39:56,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:39:56,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:39:56,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:39:56,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:39:56,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:39:56,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:39:56,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:39:56,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:39:56,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:39:56,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:39:56,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:39:56,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:39:56,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:39:56,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:39:56,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:39:56,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:39:56,966 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:39:56,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:39:56,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:39:56,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:39:56,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:39:56,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:39:56,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:39:56,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:39:56,968 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:39:56,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:39:56,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:39:56,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:39:56,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:39:56,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:39:56,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:39:56,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:39:56,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:39:56,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:39:56,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:39:56,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:39:56,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:39:56,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:39:56,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:39:56,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:39:56,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:39:56,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:39:56,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:39:56,972 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:39:56,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:39:56,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:39:56,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:39:56,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 [2021-12-21 16:39:57,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:39:57,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:39:57,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:39:57,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:39:57,163 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:39:57,164 INFO L432 ainManager$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 [2021-12-21 16:39:57,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123a8ef21/1e9a47ab900444b681cea31a1cf175fd/FLAG7473ddc72 [2021-12-21 16:39:57,760 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:39:57,760 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 [2021-12-21 16:39:57,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123a8ef21/1e9a47ab900444b681cea31a1cf175fd/FLAG7473ddc72 [2021-12-21 16:39:57,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/123a8ef21/1e9a47ab900444b681cea31a1cf175fd [2021-12-21 16:39:57,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:39:57,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:39:57,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:39:57,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:39:57,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:39:57,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:39:57" (1/1) ... [2021-12-21 16:39:57,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ede277a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:57, skipping insertion in model container [2021-12-21 16:39:57,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:39:57" (1/1) ... [2021-12-21 16:39:57,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:39:58,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:39:59,582 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] [2021-12-21 16:39:59,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:39:59,711 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:40:00,076 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] [2021-12-21 16:40:00,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:40:00,177 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:40:00,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00 WrapperNode [2021-12-21 16:40:00,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:40:00,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:40:00,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:40:00,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:40:00,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,435 INFO L137 Inliner]: procedures = 480, calls = 3867, calls flagged for inlining = 166, calls inlined = 158, statements flattened = 7270 [2021-12-21 16:40:00,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:40:00,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:40:00,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:40:00,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:40:00,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:40:00,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:40:00,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:40:00,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:40:00,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (1/1) ... [2021-12-21 16:40:00,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:40:00,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:40:00,730 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) [2021-12-21 16:40:00,747 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 [2021-12-21 16:40:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_ring [2021-12-21 16:40:00,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_ring [2021-12-21 16:40:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2021-12-21 16:40:00,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2021-12-21 16:40:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-21 16:40:00,757 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-21 16:40:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:40:00,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:40:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:40:00,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:40:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2021-12-21 16:40:00,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2021-12-21 16:40:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2021-12-21 16:40:00,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2021-12-21 16:40:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-21 16:40:00,758 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-21 16:40:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2021-12-21 16:40:00,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2021-12-21 16:40:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2021-12-21 16:40:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2021-12-21 16:40:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2021-12-21 16:40:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2021-12-21 16:40:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2021-12-21 16:40:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2021-12-21 16:40:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2021-12-21 16:40:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2021-12-21 16:40:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2021-12-21 16:40:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2021-12-21 16:40:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-21 16:40:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-21 16:40:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2021-12-21 16:40:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2021-12-21 16:40:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:40:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:40:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-21 16:40:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-21 16:40:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_ring [2021-12-21 16:40:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_ring [2021-12-21 16:40:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2021-12-21 16:40:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2021-12-21 16:40:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:40:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2021-12-21 16:40:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2021-12-21 16:40:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2021-12-21 16:40:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2021-12-21 16:40:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:40:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:40:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2021-12-21 16:40:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2021-12-21 16:40:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2021-12-21 16:40:00,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2021-12-21 16:40:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:40:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:40:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2021-12-21 16:40:00,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2021-12-21 16:40:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-21 16:40:00,763 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-21 16:40:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2021-12-21 16:40:00,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2021-12-21 16:40:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb [2021-12-21 16:40:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb [2021-12-21 16:40:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:40:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2021-12-21 16:40:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2021-12-21 16:40:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:40:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:40:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2021-12-21 16:40:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2021-12-21 16:40:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-21 16:40:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-21 16:40:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-21 16:40:00,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-21 16:40:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2021-12-21 16:40:00,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2021-12-21 16:40:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2021-12-21 16:40:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2021-12-21 16:40:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2021-12-21 16:40:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2021-12-21 16:40:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2021-12-21 16:40:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2021-12-21 16:40:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:40:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:40:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2021-12-21 16:40:00,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2021-12-21 16:40:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:40:00,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:40:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2021-12-21 16:40:00,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2021-12-21 16:40:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:40:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2021-12-21 16:40:00,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2021-12-21 16:40:00,768 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:40:00,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:40:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:40:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:40:00,769 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2021-12-21 16:40:00,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2021-12-21 16:40:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2021-12-21 16:40:00,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2021-12-21 16:40:00,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2021-12-21 16:40:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2021-12-21 16:40:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:40:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:40:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:40:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:40:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-21 16:40:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-21 16:40:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb [2021-12-21 16:40:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb [2021-12-21 16:40:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2021-12-21 16:40:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2021-12-21 16:40:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:40:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:40:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 16:40:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 16:40:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2021-12-21 16:40:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2021-12-21 16:40:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2021-12-21 16:40:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2021-12-21 16:40:00,775 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:40:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:40:00,775 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2021-12-21 16:40:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2021-12-21 16:40:00,776 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2021-12-21 16:40:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2021-12-21 16:40:00,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:40:00,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:40:00,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:40:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:40:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2021-12-21 16:40:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2021-12-21 16:40:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2021-12-21 16:40:00,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2021-12-21 16:40:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2021-12-21 16:40:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2021-12-21 16:40:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2021-12-21 16:40:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2021-12-21 16:40:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2021-12-21 16:40:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2021-12-21 16:40:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2021-12-21 16:40:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2021-12-21 16:40:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2021-12-21 16:40:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2021-12-21 16:40:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-21 16:40:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-21 16:40:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2021-12-21 16:40:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2021-12-21 16:40:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:40:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:40:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:40:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:40:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2021-12-21 16:40:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2021-12-21 16:40:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2021-12-21 16:40:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2021-12-21 16:40:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-21 16:40:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-21 16:40:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:40:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:40:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2021-12-21 16:40:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2021-12-21 16:40:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2021-12-21 16:40:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2021-12-21 16:40:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2021-12-21 16:40:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2021-12-21 16:40:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:40:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:40:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2021-12-21 16:40:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2021-12-21 16:40:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2021-12-21 16:40:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2021-12-21 16:40:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2021-12-21 16:40:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2021-12-21 16:40:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-21 16:40:00,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-21 16:40:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2021-12-21 16:40:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2021-12-21 16:40:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:40:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:40:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:40:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2021-12-21 16:40:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2021-12-21 16:40:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2021-12-21 16:40:00,786 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2021-12-21 16:40:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2021-12-21 16:40:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2021-12-21 16:40:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:40:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-21 16:40:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-21 16:40:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-21 16:40:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-21 16:40:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:40:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2021-12-21 16:40:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2021-12-21 16:40:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2021-12-21 16:40:00,787 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2021-12-21 16:40:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2021-12-21 16:40:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2021-12-21 16:40:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-21 16:40:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-21 16:40:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:40:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:40:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:40:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:40:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2021-12-21 16:40:00,788 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2021-12-21 16:40:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:40:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:40:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2021-12-21 16:40:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2021-12-21 16:40:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-21 16:40:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-21 16:40:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2021-12-21 16:40:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2021-12-21 16:40:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2021-12-21 16:40:00,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2021-12-21 16:40:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2021-12-21 16:40:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2021-12-21 16:40:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2021-12-21 16:40:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2021-12-21 16:40:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:40:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:40:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2021-12-21 16:40:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2021-12-21 16:40:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2021-12-21 16:40:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2021-12-21 16:40:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2021-12-21 16:40:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2021-12-21 16:40:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2021-12-21 16:40:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2021-12-21 16:40:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:40:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:40:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2021-12-21 16:40:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2021-12-21 16:40:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:40:00,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:40:00,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:40:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2021-12-21 16:40:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2021-12-21 16:40:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2021-12-21 16:40:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2021-12-21 16:40:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2021-12-21 16:40:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2021-12-21 16:40:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2021-12-21 16:40:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2021-12-21 16:40:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-12-21 16:40:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-12-21 16:40:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2021-12-21 16:40:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2021-12-21 16:40:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2021-12-21 16:40:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2021-12-21 16:40:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2021-12-21 16:40:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2021-12-21 16:40:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2021-12-21 16:40:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2021-12-21 16:40:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2021-12-21 16:40:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2021-12-21 16:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2021-12-21 16:40:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2021-12-21 16:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2021-12-21 16:40:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2021-12-21 16:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 16:40:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 16:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2021-12-21 16:40:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2021-12-21 16:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-21 16:40:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-21 16:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2021-12-21 16:40:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2021-12-21 16:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2021-12-21 16:40:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2021-12-21 16:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2021-12-21 16:40:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2021-12-21 16:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2021-12-21 16:40:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2021-12-21 16:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_nhi [2021-12-21 16:40:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_nhi [2021-12-21 16:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:40:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2021-12-21 16:40:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2021-12-21 16:40:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_nhi [2021-12-21 16:40:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_nhi [2021-12-21 16:40:01,694 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:40:01,697 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:40:02,040 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:40:23,988 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:40:24,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:40:24,014 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:40:24,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:40:24 BoogieIcfgContainer [2021-12-21 16:40:24,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:40:24,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:40:24,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:40:24,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:40:24,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:39:57" (1/3) ... [2021-12-21 16:40:24,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61201049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:40:24, skipping insertion in model container [2021-12-21 16:40:24,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:00" (2/3) ... [2021-12-21 16:40:24,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61201049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:40:24, skipping insertion in model container [2021-12-21 16:40:24,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:40:24" (3/3) ... [2021-12-21 16:40:24,024 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-21 16:40:24,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:40:24,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:40:24,088 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:40:24,093 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 [2021-12-21 16:40:24,093 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:40:24,153 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) [2021-12-21 16:40:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-21 16:40:24,158 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:40:24,158 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] [2021-12-21 16:40:24,160 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:40:24,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:40:24,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1765604170, now seen corresponding path program 1 times [2021-12-21 16:40:24,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:40:24,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102170587] [2021-12-21 16:40:24,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:40:24,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:40:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:40:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:40:24,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:40:24,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102170587] [2021-12-21 16:40:24,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102170587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:40:24,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:40:24,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:40:24,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614763398] [2021-12-21 16:40:24,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:40:24,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:40:24,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:40:24,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:40:24,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:40:24,641 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) [2021-12-21 16:40:28,328 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 [] [2021-12-21 16:40:30,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:40:39,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:40:44,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:40:48,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:40:50,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:40:50,826 INFO L93 Difference]: Finished difference Result 5694 states and 8677 transitions. [2021-12-21 16:40:50,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:40:50,828 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 [2021-12-21 16:40:50,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:40:50,860 INFO L225 Difference]: With dead ends: 5694 [2021-12-21 16:40:50,862 INFO L226 Difference]: Without dead ends: 3144 [2021-12-21 16:40:50,886 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 [2021-12-21 16:40:50,889 INFO L933 BasicCegarLoop]: 3381 mSDtfsCounter, 1110 mSDsluCounter, 2889 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 989 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 6270 SdHoareTripleChecker+Invalid, 3299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 989 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2021-12-21 16:40:50,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1426 Valid, 6270 Invalid, 3299 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [989 Valid, 2307 Invalid, 3 Unknown, 0 Unchecked, 25.7s Time] [2021-12-21 16:40:50,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2021-12-21 16:40:51,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 2529. [2021-12-21 16:40:51,073 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) [2021-12-21 16:40:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3633 transitions. [2021-12-21 16:40:51,095 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3633 transitions. Word has length 35 [2021-12-21 16:40:51,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:40:51,096 INFO L470 AbstractCegarLoop]: Abstraction has 2529 states and 3633 transitions. [2021-12-21 16:40:51,097 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) [2021-12-21 16:40:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3633 transitions. [2021-12-21 16:40:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-21 16:40:51,101 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:40:51,102 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] [2021-12-21 16:40:51,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:40:51,102 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:40:51,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:40:51,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1899617676, now seen corresponding path program 1 times [2021-12-21 16:40:51,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:40:51,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353364352] [2021-12-21 16:40:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:40:51,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:40:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:40:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:51,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:51,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:51,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:40:51,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:40:51,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353364352] [2021-12-21 16:40:51,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353364352] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:40:51,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:40:51,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:40:51,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204467988] [2021-12-21 16:40:51,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:40:51,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:40:51,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:40:51,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:40:51,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:40:51,366 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) [2021-12-21 16:40:55,117 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 []