./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a621364e853f6cea57e1b9be3d64dd0229cd7b56b8697c8ff667994a99ac7d5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:17:58,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:17:58,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:17:58,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:17:58,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:17:58,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:17:58,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:17:58,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:17:58,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:17:58,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:17:58,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:17:59,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:17:59,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:17:59,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:17:59,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:17:59,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:17:59,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:17:59,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:17:59,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:17:59,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:17:59,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:17:59,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:17:59,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:17:59,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:17:59,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:17:59,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:17:59,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:17:59,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:17:59,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:17:59,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:17:59,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:17:59,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:17:59,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:17:59,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:17:59,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:17:59,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:17:59,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:17:59,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:17:59,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:17:59,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:17:59,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:17:59,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:17:59,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:17:59,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:17:59,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:17:59,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:17:59,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:17:59,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:17:59,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:17:59,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:17:59,061 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:17:59,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:17:59,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:17:59,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:17:59,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:17:59,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:17:59,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:17:59,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:17:59,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:17:59,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:17:59,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:17:59,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:17:59,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:17:59,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:17:59,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:17:59,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:17:59,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:17:59,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:17:59,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:17:59,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:17:59,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:17:59,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:17:59,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:17:59,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a621364e853f6cea57e1b9be3d64dd0229cd7b56b8697c8ff667994a99ac7d5 [2021-12-22 15:17:59,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:17:59,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:17:59,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:17:59,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:17:59,323 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:17:59,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-22 15:17:59,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebde83b6/56f8d881baef49728a923f9878c5b4db/FLAG3d77c7f94 [2021-12-22 15:17:59,939 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:17:59,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-22 15:17:59,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebde83b6/56f8d881baef49728a923f9878c5b4db/FLAG3d77c7f94 [2021-12-22 15:18:00,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebde83b6/56f8d881baef49728a923f9878c5b4db [2021-12-22 15:18:00,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:18:00,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:18:00,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:00,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:18:00,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:18:00,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:00" (1/1) ... [2021-12-22 15:18:00,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c5a19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:00, skipping insertion in model container [2021-12-22 15:18:00,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:00" (1/1) ... [2021-12-22 15:18:00,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:18:00,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:18:01,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[297077,297090] [2021-12-22 15:18:01,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:01,783 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:18:02,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[297077,297090] [2021-12-22 15:18:02,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:02,217 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:18:02,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02 WrapperNode [2021-12-22 15:18:02,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:02,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:02,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:18:02,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:18:02,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,459 INFO L137 Inliner]: procedures = 357, calls = 3641, calls flagged for inlining = 134, calls inlined = 130, statements flattened = 6994 [2021-12-22 15:18:02,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:02,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:18:02,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:18:02,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:18:02,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:18:02,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:18:02,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:18:02,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:18:02,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (1/1) ... [2021-12-22 15:18:02,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:18:02,779 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) [2021-12-22 15:18:02,784 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 [2021-12-22 15:18:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 15:18:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 15:18:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2021-12-22 15:18:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2021-12-22 15:18:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2021-12-22 15:18:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2021-12-22 15:18:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2021-12-22 15:18:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2021-12-22 15:18:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:18:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:18:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2021-12-22 15:18:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2021-12-22 15:18:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2021-12-22 15:18:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2021-12-22 15:18:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2021-12-22 15:18:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2021-12-22 15:18:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:18:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:18:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:18:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:18:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:18:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:18:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2021-12-22 15:18:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2021-12-22 15:18:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:18:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:18:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2021-12-22 15:18:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2021-12-22 15:18:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2021-12-22 15:18:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2021-12-22 15:18:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2021-12-22 15:18:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2021-12-22 15:18:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2021-12-22 15:18:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2021-12-22 15:18:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2021-12-22 15:18:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2021-12-22 15:18:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2021-12-22 15:18:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2021-12-22 15:18:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-22 15:18:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-22 15:18:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2021-12-22 15:18:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2021-12-22 15:18:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2021-12-22 15:18:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2021-12-22 15:18:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2021-12-22 15:18:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2021-12-22 15:18:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2021-12-22 15:18:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2021-12-22 15:18:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-22 15:18:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-22 15:18:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2021-12-22 15:18:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2021-12-22 15:18:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:18:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:18:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:18:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:18:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2021-12-22 15:18:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2021-12-22 15:18:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2021-12-22 15:18:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2021-12-22 15:18:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2021-12-22 15:18:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2021-12-22 15:18:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2021-12-22 15:18:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2021-12-22 15:18:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-22 15:18:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-22 15:18:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2021-12-22 15:18:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2021-12-22 15:18:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2021-12-22 15:18:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2021-12-22 15:18:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:18:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:18:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2021-12-22 15:18:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2021-12-22 15:18:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 15:18:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 15:18:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2021-12-22 15:18:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2021-12-22 15:18:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2021-12-22 15:18:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2021-12-22 15:18:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2021-12-22 15:18:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2021-12-22 15:18:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2021-12-22 15:18:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2021-12-22 15:18:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2021-12-22 15:18:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2021-12-22 15:18:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2021-12-22 15:18:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2021-12-22 15:18:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2021-12-22 15:18:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2021-12-22 15:18:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:18:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:18:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:18:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2021-12-22 15:18:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2021-12-22 15:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2021-12-22 15:18:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2021-12-22 15:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2021-12-22 15:18:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2021-12-22 15:18:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:18:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-22 15:18:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-22 15:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:18:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:18:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-22 15:18:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-22 15:18:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2021-12-22 15:18:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2021-12-22 15:18:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:18:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2021-12-22 15:18:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2021-12-22 15:18:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:18:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2021-12-22 15:18:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2021-12-22 15:18:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2021-12-22 15:18:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2021-12-22 15:18:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2021-12-22 15:18:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2021-12-22 15:18:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2021-12-22 15:18:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2021-12-22 15:18:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 15:18:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 15:18:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:18:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:18:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:18:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:18:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:18:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:18:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2021-12-22 15:18:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2021-12-22 15:18:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2021-12-22 15:18:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2021-12-22 15:18:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:18:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:18:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2021-12-22 15:18:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2021-12-22 15:18:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-22 15:18:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-22 15:18:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2021-12-22 15:18:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2021-12-22 15:18:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:18:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2021-12-22 15:18:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2021-12-22 15:18:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2021-12-22 15:18:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2021-12-22 15:18:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2021-12-22 15:18:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2021-12-22 15:18:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2021-12-22 15:18:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2021-12-22 15:18:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:18:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:18:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:18:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2021-12-22 15:18:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2021-12-22 15:18:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-22 15:18:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-22 15:18:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2021-12-22 15:18:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2021-12-22 15:18:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:18:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2021-12-22 15:18:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2021-12-22 15:18:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2021-12-22 15:18:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2021-12-22 15:18:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2021-12-22 15:18:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2021-12-22 15:18:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:18:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:18:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2021-12-22 15:18:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2021-12-22 15:18:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-22 15:18:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-22 15:18:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-22 15:18:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-22 15:18:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2021-12-22 15:18:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2021-12-22 15:18:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:18:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:18:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2021-12-22 15:18:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2021-12-22 15:18:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2021-12-22 15:18:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2021-12-22 15:18:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2021-12-22 15:18:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2021-12-22 15:18:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:18:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:18:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2021-12-22 15:18:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2021-12-22 15:18:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2021-12-22 15:18:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2021-12-22 15:18:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2021-12-22 15:18:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2021-12-22 15:18:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:18:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:18:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:18:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:18:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:18:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2021-12-22 15:18:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2021-12-22 15:18:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:18:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:18:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2021-12-22 15:18:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2021-12-22 15:18:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2021-12-22 15:18:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2021-12-22 15:18:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:18:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2021-12-22 15:18:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2021-12-22 15:18:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-22 15:18:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2021-12-22 15:18:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2021-12-22 15:18:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:18:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:18:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2021-12-22 15:18:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2021-12-22 15:18:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:18:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2021-12-22 15:18:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2021-12-22 15:18:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2021-12-22 15:18:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2021-12-22 15:18:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:18:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2021-12-22 15:18:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2021-12-22 15:18:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2021-12-22 15:18:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2021-12-22 15:18:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2021-12-22 15:18:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2021-12-22 15:18:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2021-12-22 15:18:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2021-12-22 15:18:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2021-12-22 15:18:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2021-12-22 15:18:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2021-12-22 15:18:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2021-12-22 15:18:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2021-12-22 15:18:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2021-12-22 15:18:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2021-12-22 15:18:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2021-12-22 15:18:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2021-12-22 15:18:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2021-12-22 15:18:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2021-12-22 15:18:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2021-12-22 15:18:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:18:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:18:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2021-12-22 15:18:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2021-12-22 15:18:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-22 15:18:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-22 15:18:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2021-12-22 15:18:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2021-12-22 15:18:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:18:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:18:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2021-12-22 15:18:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2021-12-22 15:18:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:18:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:18:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2021-12-22 15:18:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2021-12-22 15:18:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2021-12-22 15:18:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2021-12-22 15:18:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:18:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:18:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:18:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2021-12-22 15:18:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2021-12-22 15:18:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:18:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:18:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2021-12-22 15:18:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2021-12-22 15:18:03,760 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:18:03,772 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:18:04,063 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:18:19,661 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:18:19,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:18:19,680 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:18:19,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:18:19 BoogieIcfgContainer [2021-12-22 15:18:19,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:18:19,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:18:19,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:18:19,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:18:19,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:18:00" (1/3) ... [2021-12-22 15:18:19,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa46db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:18:19, skipping insertion in model container [2021-12-22 15:18:19,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:02" (2/3) ... [2021-12-22 15:18:19,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa46db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:18:19, skipping insertion in model container [2021-12-22 15:18:19,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:18:19" (3/3) ... [2021-12-22 15:18:19,689 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2021-12-22 15:18:19,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:18:19,692 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:18:19,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:18:19,743 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 [2021-12-22 15:18:19,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:18:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 2456 states, 1665 states have (on average 1.330930930930931) internal successors, (2216), 1703 states have internal predecessors, (2216), 664 states have call successors, (664), 126 states have call predecessors, (664), 125 states have return successors, (658), 654 states have call predecessors, (658), 658 states have call successors, (658) [2021-12-22 15:18:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-22 15:18:19,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:18:19,836 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:18:19,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:18:19,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:18:19,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2034179201, now seen corresponding path program 1 times [2021-12-22 15:18:19,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:18:19,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875893536] [2021-12-22 15:18:19,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:18:19,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:18:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:18:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-22 15:18:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:18:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 15:18:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-22 15:18:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 15:18:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 15:18:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:18:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 15:18:20,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:18:20,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875893536] [2021-12-22 15:18:20,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875893536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:18:20,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:18:20,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:18:20,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206881344] [2021-12-22 15:18:20,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:18:20,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:18:20,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:18:20,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:18:20,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:18:20,529 INFO L87 Difference]: Start difference. First operand has 2456 states, 1665 states have (on average 1.330930930930931) internal successors, (2216), 1703 states have internal predecessors, (2216), 664 states have call successors, (664), 126 states have call predecessors, (664), 125 states have return successors, (658), 654 states have call predecessors, (658), 658 states have call successors, (658) Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 15:18:24,322 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 [] [2021-12-22 15:18:26,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:18:28,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:18:31,672 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 [] [2021-12-22 15:18:53,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:18:53,156 INFO L93 Difference]: Finished difference Result 7664 states and 11673 transitions. [2021-12-22 15:18:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:18:53,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2021-12-22 15:18:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:18:53,205 INFO L225 Difference]: With dead ends: 7664 [2021-12-22 15:18:53,205 INFO L226 Difference]: Without dead ends: 5184 [2021-12-22 15:18:53,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:18:53,236 INFO L933 BasicCegarLoop]: 4021 mSDtfsCounter, 5835 mSDsluCounter, 4957 mSDsCounter, 0 mSdLazyCounter, 3393 mSolverCounterSat, 5261 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6332 SdHoareTripleChecker+Valid, 8978 SdHoareTripleChecker+Invalid, 8658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5261 IncrementalHoareTripleChecker+Valid, 3393 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:18:53,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6332 Valid, 8978 Invalid, 8658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5261 Valid, 3393 Invalid, 4 Unknown, 0 Unchecked, 31.8s Time] [2021-12-22 15:18:53,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2021-12-22 15:18:53,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 4183. [2021-12-22 15:18:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4183 states, 2837 states have (on average 1.3249911878745153) internal successors, (3759), 2889 states have internal predecessors, (3759), 1117 states have call successors, (1117), 229 states have call predecessors, (1117), 228 states have return successors, (1116), 1108 states have call predecessors, (1116), 1116 states have call successors, (1116) [2021-12-22 15:18:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 5992 transitions. [2021-12-22 15:18:53,504 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 5992 transitions. Word has length 107 [2021-12-22 15:18:53,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:18:53,505 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 5992 transitions. [2021-12-22 15:18:53,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 15:18:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 5992 transitions. [2021-12-22 15:18:53,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-22 15:18:53,514 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:18:53,514 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:18:53,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:18:53,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:18:53,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:18:53,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1327248420, now seen corresponding path program 1 times [2021-12-22 15:18:53,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:18:53,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692469921] [2021-12-22 15:18:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:18:53,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:18:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:18:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-22 15:18:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 15:18:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 15:18:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-22 15:18:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:18:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:18:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:18:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:18:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:18:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-22 15:18:53,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:18:53,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692469921] [2021-12-22 15:18:53,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692469921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:18:53,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:18:53,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:18:53,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773939646] [2021-12-22 15:18:53,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:18:53,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:18:53,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:18:53,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:18:53,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:18:53,898 INFO L87 Difference]: Start difference. First operand 4183 states and 5992 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-22 15:18:59,164 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 [] [2021-12-22 15:19:01,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:04,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []