./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.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 ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:17:04,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:17:04,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:17:04,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:17:04,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:17:04,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:17:04,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:17:04,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:17:04,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:17:04,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:17:04,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:17:04,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:17:04,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:17:04,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:17:04,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:17:04,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:17:04,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:17:04,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:17:04,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:17:04,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:17:04,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:17:04,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:17:04,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:17:04,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:17:04,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:17:04,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:17:04,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:17:04,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:17:04,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:17:04,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:17:04,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:17:04,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:17:05,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:17:05,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:17:05,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:17:05,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:17:05,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:17:05,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:17:05,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:17:05,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:17:05,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:17:05,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:17:05,024 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:17:05,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:17:05,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:17:05,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:17:05,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:17:05,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:17:05,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:17:05,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:17:05,027 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:17:05,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:17:05,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:17:05,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:17:05,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:17:05,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:17:05,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:17:05,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:17:05,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:17:05,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:17:05,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:17:05,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:17:05,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:17:05,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:17:05,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:17:05,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:17:05,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:17:05,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:17:05,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:17:05,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:17:05,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:17:05,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:17:05,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:17:05,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2021-12-21 16:17:05,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:17:05,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:17:05,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:17:05,217 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:17:05,217 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:17:05,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-12-21 16:17:05,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee5ab95cf/c108da18c8b54265983c3edf48c63c4a/FLAG65e995151 [2021-12-21 16:17:05,909 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:17:05,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-12-21 16:17:05,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee5ab95cf/c108da18c8b54265983c3edf48c63c4a/FLAG65e995151 [2021-12-21 16:17:06,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee5ab95cf/c108da18c8b54265983c3edf48c63c4a [2021-12-21 16:17:06,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:17:06,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:17:06,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:17:06,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:17:06,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:17:06,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:17:06" (1/1) ... [2021-12-21 16:17:06,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99d2b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:06, skipping insertion in model container [2021-12-21 16:17:06,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:17:06" (1/1) ... [2021-12-21 16:17:06,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:17:06,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:17:06,598 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-12-21 16:17:06,599 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2021-12-21 16:17:06,715 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2021-12-21 16:17:08,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:17:08,275 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:17:08,319 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-12-21 16:17:08,320 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2021-12-21 16:17:08,322 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2021-12-21 16:17:08,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:17:08,757 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:17:08,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08 WrapperNode [2021-12-21 16:17:08,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:17:08,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:17:08,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:17:08,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:17:08,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:08,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,100 INFO L137 Inliner]: procedures = 437, calls = 4987, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 9577 [2021-12-21 16:17:09,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:17:09,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:17:09,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:17:09,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:17:09,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:17:09,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:17:09,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:17:09,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:17:09,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (1/1) ... [2021-12-21 16:17:09,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:17:09,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:17:09,416 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 16:17:09,428 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 16:17:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-21 16:17:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-21 16:17:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:17:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:17:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-21 16:17:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-21 16:17:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:17:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:17:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-21 16:17:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-21 16:17:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:17:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:17:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-21 16:17:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-21 16:17:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:17:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:17:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 16:17:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 16:17:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:17:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:17:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:17:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:17:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 16:17:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 16:17:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-21 16:17:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-21 16:17:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-21 16:17:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-21 16:17:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 16:17:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 16:17:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-21 16:17:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-21 16:17:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:17:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:17:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-21 16:17:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-21 16:17:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:17:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:17:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-21 16:17:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-21 16:17:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:17:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:17:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-21 16:17:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-21 16:17:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:17:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:17:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:17:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:17:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 16:17:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 16:17:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:17:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-21 16:17:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-21 16:17:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-21 16:17:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-21 16:17:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-21 16:17:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-21 16:17:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:17:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:17:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:17:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:17:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-21 16:17:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-21 16:17:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-21 16:17:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-21 16:17:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:17:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-21 16:17:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-21 16:17:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:17:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:17:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:17:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:17:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:17:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-21 16:17:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-21 16:17:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:17:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-21 16:17:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-21 16:17:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:17:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:17:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:17:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:17:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-21 16:17:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-21 16:17:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:17:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:17:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-21 16:17:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-21 16:17:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 16:17:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 16:17:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-21 16:17:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-21 16:17:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:17:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:17:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-21 16:17:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-21 16:17:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:17:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-21 16:17:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-21 16:17:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2021-12-21 16:17:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2021-12-21 16:17:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:17:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:17:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:17:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:17:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-21 16:17:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-21 16:17:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-21 16:17:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-21 16:17:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-21 16:17:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-21 16:17:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-21 16:17:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-21 16:17:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:17:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:17:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 16:17:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 16:17:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:17:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:17:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-21 16:17:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-21 16:17:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:17:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:17:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:17:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:17:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:17:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:17:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:17:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:17:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:17:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:17:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-21 16:17:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-21 16:17:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 16:17:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 16:17:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-21 16:17:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-21 16:17:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:17:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:17:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-21 16:17:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-21 16:17:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 16:17:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 16:17:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-21 16:17:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-21 16:17:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:17:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:17:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-21 16:17:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-21 16:17:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-21 16:17:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-21 16:17:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-21 16:17:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-21 16:17:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:17:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:17:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-21 16:17:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-21 16:17:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:17:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:17:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:17:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:17:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-21 16:17:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-21 16:17:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 16:17:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 16:17:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2021-12-21 16:17:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2021-12-21 16:17:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 16:17:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 16:17:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:17:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-21 16:17:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-21 16:17:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 16:17:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 16:17:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:17:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-21 16:17:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-21 16:17:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:17:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:17:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-21 16:17:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-21 16:17:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-21 16:17:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-21 16:17:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:17:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-21 16:17:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-21 16:17:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-21 16:17:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-21 16:17:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-21 16:17:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-21 16:17:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:17:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:17:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-21 16:17:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-21 16:17:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:17:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:17:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-21 16:17:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-21 16:17:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-21 16:17:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-21 16:17:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2021-12-21 16:17:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2021-12-21 16:17:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:17:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:17:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 16:17:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 16:17:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:17:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:17:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:17:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:17:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:17:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-12-21 16:17:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-12-21 16:17:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-21 16:17:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-21 16:17:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:17:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:17:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-21 16:17:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-21 16:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-21 16:17:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-21 16:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 16:17:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 16:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 16:17:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 16:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:17:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-21 16:17:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-21 16:17:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 16:17:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 16:17:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:17:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:17:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-21 16:17:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-21 16:17:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-21 16:17:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-21 16:17:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-21 16:17:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-21 16:17:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-21 16:17:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-21 16:17:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-21 16:17:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-21 16:17:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:17:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:17:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:17:10,240 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:17:10,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:17:10,896 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:17:15,301 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:17:15,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:17:15,321 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 16:17:15,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:17:15 BoogieIcfgContainer [2021-12-21 16:17:15,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:17:15,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:17:15,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:17:15,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:17:15,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:17:06" (1/3) ... [2021-12-21 16:17:15,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d5acf30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:17:15, skipping insertion in model container [2021-12-21 16:17:15,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:17:08" (2/3) ... [2021-12-21 16:17:15,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d5acf30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:17:15, skipping insertion in model container [2021-12-21 16:17:15,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:17:15" (3/3) ... [2021-12-21 16:17:15,330 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-12-21 16:17:15,333 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:17:15,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:17:15,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:17:15,371 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 16:17:15,371 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:17:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 2993 states, 2097 states have (on average 1.3938960419647115) internal successors, (2923), 2191 states have internal predecessors, (2923), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) [2021-12-21 16:17:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-21 16:17:15,435 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:17:15,436 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2021-12-21 16:17:15,437 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:17:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:17:15,440 INFO L85 PathProgramCache]: Analyzing trace with hash 466734356, now seen corresponding path program 1 times [2021-12-21 16:17:15,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:17:15,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102315259] [2021-12-21 16:17:15,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:17:15,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:17:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:17:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:17:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:17:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:15,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:17:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:17:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 16:17:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-21 16:17:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:17:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-21 16:17:16,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:17:16,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102315259] [2021-12-21 16:17:16,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102315259] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:17:16,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:17:16,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:17:16,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024806287] [2021-12-21 16:17:16,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:17:16,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:17:16,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:17:16,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:17:16,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:17:16,047 INFO L87 Difference]: Start difference. First operand has 2993 states, 2097 states have (on average 1.3938960419647115) internal successors, (2923), 2191 states have internal predecessors, (2923), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:17:26,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:17:26,174 INFO L93 Difference]: Finished difference Result 8977 states and 13564 transitions. [2021-12-21 16:17:26,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:17:26,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2021-12-21 16:17:26,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:17:26,232 INFO L225 Difference]: With dead ends: 8977 [2021-12-21 16:17:26,232 INFO L226 Difference]: Without dead ends: 5942 [2021-12-21 16:17:26,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:17:26,253 INFO L933 BasicCegarLoop]: 4580 mSDtfsCounter, 6060 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 5255 mSolverCounterSat, 4258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6577 SdHoareTripleChecker+Valid, 11415 SdHoareTripleChecker+Invalid, 9513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4258 IncrementalHoareTripleChecker+Valid, 5255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-12-21 16:17:26,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6577 Valid, 11415 Invalid, 9513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4258 Valid, 5255 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-12-21 16:17:26,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2021-12-21 16:17:26,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5394. [2021-12-21 16:17:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5394 states, 3793 states have (on average 1.3857105193778012) internal successors, (5256), 3940 states have internal predecessors, (5256), 1386 states have call successors, (1386), 214 states have call predecessors, (1386), 214 states have return successors, (1389), 1321 states have call predecessors, (1389), 1385 states have call successors, (1389) [2021-12-21 16:17:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 8031 transitions. [2021-12-21 16:17:26,639 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 8031 transitions. Word has length 71 [2021-12-21 16:17:26,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:17:26,640 INFO L470 AbstractCegarLoop]: Abstraction has 5394 states and 8031 transitions. [2021-12-21 16:17:26,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:17:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 8031 transitions. [2021-12-21 16:17:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-21 16:17:26,652 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:17:26,653 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 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] [2021-12-21 16:17:26,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:17:26,653 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:17:26,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:17:26,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1296466078, now seen corresponding path program 1 times [2021-12-21 16:17:26,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:17:26,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837373716] [2021-12-21 16:17:26,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:17:26,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:17:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:17:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:17:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:17:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:17:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:17:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 16:17:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 16:17:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-21 16:17:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:17:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 16:17:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:17:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-21 16:17:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 16:17:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-21 16:17:27,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:17:27,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837373716] [2021-12-21 16:17:27,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837373716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:17:27,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:17:27,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:17:27,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791621491] [2021-12-21 16:17:27,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:17:27,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:17:27,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:17:27,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:17:27,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:17:27,108 INFO L87 Difference]: Start difference. First operand 5394 states and 8031 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:17:33,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:17:33,325 INFO L93 Difference]: Finished difference Result 11051 states and 16586 transitions. [2021-12-21 16:17:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:17:33,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2021-12-21 16:17:33,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:17:33,359 INFO L225 Difference]: With dead ends: 11051 [2021-12-21 16:17:33,359 INFO L226 Difference]: Without dead ends: 5672 [2021-12-21 16:17:33,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:17:33,389 INFO L933 BasicCegarLoop]: 3700 mSDtfsCounter, 6071 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 3180 mSolverCounterSat, 3779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6533 SdHoareTripleChecker+Valid, 6396 SdHoareTripleChecker+Invalid, 6959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3779 IncrementalHoareTripleChecker+Valid, 3180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-21 16:17:33,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6533 Valid, 6396 Invalid, 6959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3779 Valid, 3180 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-12-21 16:17:33,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2021-12-21 16:17:33,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 5119. [2021-12-21 16:17:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 3618 states have (on average 1.3568269762299614) internal successors, (4909), 3765 states have internal predecessors, (4909), 1286 states have call successors, (1286), 214 states have call predecessors, (1286), 214 states have return successors, (1289), 1221 states have call predecessors, (1289), 1285 states have call successors, (1289) [2021-12-21 16:17:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7484 transitions. [2021-12-21 16:17:33,628 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7484 transitions. Word has length 111 [2021-12-21 16:17:33,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:17:33,630 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 7484 transitions. [2021-12-21 16:17:33,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:17:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7484 transitions. [2021-12-21 16:17:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-21 16:17:33,635 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:17:33,635 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 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] [2021-12-21 16:17:33,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:17:33,635 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:17:33,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:17:33,636 INFO L85 PathProgramCache]: Analyzing trace with hash -510734873, now seen corresponding path program 1 times [2021-12-21 16:17:33,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:17:33,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960994538] [2021-12-21 16:17:33,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:17:33,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:17:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:17:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:17:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:17:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:17:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:17:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 16:17:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:17:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 16:17:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:17:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:17:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:34,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 16:17:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-21 16:17:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:34,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 16:17:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-21 16:17:34,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:17:34,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960994538] [2021-12-21 16:17:34,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960994538] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:17:34,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:17:34,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:17:34,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620362388] [2021-12-21 16:17:34,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:17:34,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:17:34,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:17:34,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:17:34,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:17:34,036 INFO L87 Difference]: Start difference. First operand 5119 states and 7484 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-21 16:17:40,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:17:40,818 INFO L93 Difference]: Finished difference Result 6367 states and 9283 transitions. [2021-12-21 16:17:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 16:17:40,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 106 [2021-12-21 16:17:40,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:17:40,858 INFO L225 Difference]: With dead ends: 6367 [2021-12-21 16:17:40,858 INFO L226 Difference]: Without dead ends: 6364 [2021-12-21 16:17:40,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-12-21 16:17:40,869 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 6086 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 3673 mSolverCounterSat, 3874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6505 SdHoareTripleChecker+Valid, 7223 SdHoareTripleChecker+Invalid, 7547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3874 IncrementalHoareTripleChecker+Valid, 3673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:17:40,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6505 Valid, 7223 Invalid, 7547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3874 Valid, 3673 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-21 16:17:40,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2021-12-21 16:17:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 5687. [2021-12-21 16:17:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5687 states, 4005 states have (on average 1.345318352059925) internal successors, (5388), 4160 states have internal predecessors, (5388), 1411 states have call successors, (1411), 270 states have call predecessors, (1411), 270 states have return successors, (1424), 1340 states have call predecessors, (1424), 1410 states have call successors, (1424) [2021-12-21 16:17:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 8223 transitions. [2021-12-21 16:17:41,128 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 8223 transitions. Word has length 106 [2021-12-21 16:17:41,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:17:41,130 INFO L470 AbstractCegarLoop]: Abstraction has 5687 states and 8223 transitions. [2021-12-21 16:17:41,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-21 16:17:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 8223 transitions. [2021-12-21 16:17:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-21 16:17:41,142 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:17:41,142 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 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, 1, 1, 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 16:17:41,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:17:41,142 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:17:41,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:17:41,143 INFO L85 PathProgramCache]: Analyzing trace with hash -93037146, now seen corresponding path program 1 times [2021-12-21 16:17:41,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:17:41,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653533433] [2021-12-21 16:17:41,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:17:41,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:17:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:17:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:17:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:17:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:17:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:17:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 16:17:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-21 16:17:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:17:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-21 16:17:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:17:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-21 16:17:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 16:17:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:17:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-21 16:17:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 16:17:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:17:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 16:17:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:17:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 16:17:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 16:17:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 16:17:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:17:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 16:17:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-21 16:17:41,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:17:41,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653533433] [2021-12-21 16:17:41,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653533433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:17:41,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:17:41,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 16:17:41,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50980956] [2021-12-21 16:17:41,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:17:41,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 16:17:41,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:17:41,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 16:17:41,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:17:41,548 INFO L87 Difference]: Start difference. First operand 5687 states and 8223 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 16:17:58,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:17:58,097 INFO L93 Difference]: Finished difference Result 21266 states and 31697 transitions. [2021-12-21 16:17:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-21 16:17:58,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 154 [2021-12-21 16:17:58,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:17:58,172 INFO L225 Difference]: With dead ends: 21266 [2021-12-21 16:17:58,176 INFO L226 Difference]: Without dead ends: 15594 [2021-12-21 16:17:58,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2021-12-21 16:17:58,203 INFO L933 BasicCegarLoop]: 4461 mSDtfsCounter, 15030 mSDsluCounter, 8135 mSDsCounter, 0 mSdLazyCounter, 12148 mSolverCounterSat, 14803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15540 SdHoareTripleChecker+Valid, 12596 SdHoareTripleChecker+Invalid, 26951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14803 IncrementalHoareTripleChecker+Valid, 12148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-12-21 16:17:58,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15540 Valid, 12596 Invalid, 26951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14803 Valid, 12148 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2021-12-21 16:17:58,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15594 states. [2021-12-21 16:17:58,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15594 to 9893. [2021-12-21 16:17:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9893 states, 6927 states have (on average 1.3404071026418363) internal successors, (9285), 7197 states have internal predecessors, (9285), 2480 states have call successors, (2480), 477 states have call predecessors, (2480), 485 states have return successors, (2545), 2357 states have call predecessors, (2545), 2479 states have call successors, (2545) [2021-12-21 16:17:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9893 states to 9893 states and 14310 transitions. [2021-12-21 16:17:58,712 INFO L78 Accepts]: Start accepts. Automaton has 9893 states and 14310 transitions. Word has length 154 [2021-12-21 16:17:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:17:58,712 INFO L470 AbstractCegarLoop]: Abstraction has 9893 states and 14310 transitions. [2021-12-21 16:17:58,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 16:17:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 9893 states and 14310 transitions. [2021-12-21 16:17:58,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-21 16:17:58,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:17:58,734 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:17:58,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:17:58,734 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:17:58,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:17:58,736 INFO L85 PathProgramCache]: Analyzing trace with hash 310118013, now seen corresponding path program 1 times [2021-12-21 16:17:58,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:17:58,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460864465] [2021-12-21 16:17:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:17:58,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:17:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:17:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:17:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:17:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:17:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:17:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 16:17:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:17:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 16:17:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:17:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:17:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-21 16:17:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 16:17:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:17:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-21 16:17:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-21 16:17:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-21 16:17:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 16:17:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:17:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 16:17:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 16:17:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:17:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 16:17:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:17:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:17:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:17:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 16:17:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:17:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-21 16:17:59,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:17:59,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460864465] [2021-12-21 16:17:59,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460864465] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:17:59,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:17:59,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 16:17:59,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292392132] [2021-12-21 16:17:59,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:17:59,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 16:17:59,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:17:59,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 16:17:59,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:17:59,140 INFO L87 Difference]: Start difference. First operand 9893 states and 14310 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26)