./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:49:23,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:49:23,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:49:23,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:49:23,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:49:23,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:49:23,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:49:23,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:49:23,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:49:23,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:49:23,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:49:23,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:49:23,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:49:23,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:49:23,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:49:23,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:49:23,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:49:23,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:49:23,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:49:23,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:49:23,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:49:23,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:49:23,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:49:23,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:49:23,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:49:23,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:49:23,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:49:23,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:49:23,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:49:23,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:49:23,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:49:23,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:49:23,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:49:23,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:49:23,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:49:23,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:49:23,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:49:23,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:49:23,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:49:23,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:49:23,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:49:23,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:49:23,594 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:49:23,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:49:23,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:49:23,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:49:23,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:49:23,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:49:23,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:49:23,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:49:23,599 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:49:23,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:49:23,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:49:23,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:49:23,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:49:23,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:49:23,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:49:23,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:49:23,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:49:23,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:49:23,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:49:23,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:49:23,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:49:23,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:49:23,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:49:23,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:49:23,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:49:23,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:49:23,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:49:23,602 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:49:23,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:49:23,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:49:23,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:49:23,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2021-12-14 17:49:23,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:49:23,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:49:23,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:49:23,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:49:23,786 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:49:23,787 INFO L432 ainManager$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 [2021-12-14 17:49:23,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821f8df1e/320112a557c84cf98c39b9e1bbd12920/FLAG99205570c [2021-12-14 17:49:24,526 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:49:24,526 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 [2021-12-14 17:49:24,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821f8df1e/320112a557c84cf98c39b9e1bbd12920/FLAG99205570c [2021-12-14 17:49:24,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821f8df1e/320112a557c84cf98c39b9e1bbd12920 [2021-12-14 17:49:24,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:49:24,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:49:24,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:49:24,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:49:24,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:49:24,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:49:24" (1/1) ... [2021-12-14 17:49:24,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bb701d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:24, skipping insertion in model container [2021-12-14 17:49:24,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:49:24" (1/1) ... [2021-12-14 17:49:24,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:49:24,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:49:25,088 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-12-14 17:49:25,089 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] [2021-12-14 17:49:25,205 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] [2021-12-14 17:49:27,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:49:27,054 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:49:27,114 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-12-14 17:49:27,118 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] [2021-12-14 17:49:27,120 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] [2021-12-14 17:49:27,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:49:27,485 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:49:27,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27 WrapperNode [2021-12-14 17:49:27,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:49:27,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:49:27,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:49:27,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:49:27,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:27,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:27,820 INFO L137 Inliner]: procedures = 437, calls = 4987, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 9577 [2021-12-14 17:49:27,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:49:27,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:49:27,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:49:27,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:49:27,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:27,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:27,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:27,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:27,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:28,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:28,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:28,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:49:28,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:49:28,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:49:28,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:49:28,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (1/1) ... [2021-12-14 17:49:28,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:49:28,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:49:28,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:49:28,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:49:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-14 17:49:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-14 17:49:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 17:49:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 17:49:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 17:49:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 17:49:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 17:49:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 17:49:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-14 17:49:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-14 17:49:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 17:49:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 17:49:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-14 17:49:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-14 17:49:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-14 17:49:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-14 17:49:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 17:49:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 17:49:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:49:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-14 17:49:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-14 17:49:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-14 17:49:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-14 17:49:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-14 17:49:28,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-14 17:49:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 17:49:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 17:49:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:49:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:49:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-14 17:49:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-14 17:49:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-14 17:49:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-14 17:49:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:49:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-14 17:49:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-14 17:49:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:49:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:49:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:49:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:49:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:49:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-14 17:49:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-14 17:49:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:49:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-14 17:49:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-14 17:49:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:49:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:49:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:49:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:49:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-14 17:49:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-14 17:49:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 17:49:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 17:49:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-14 17:49:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-14 17:49:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 17:49:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 17:49:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-14 17:49:28,191 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-14 17:49:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 17:49:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 17:49:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-14 17:49:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-14 17:49:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:49:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-14 17:49:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-14 17:49:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2021-12-14 17:49:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2021-12-14 17:49:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:49:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:49:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:49:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:49:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-14 17:49:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-14 17:49:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-14 17:49:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-14 17:49:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-14 17:49:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-14 17:49:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-14 17:49:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-14 17:49:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:49:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:49:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 17:49:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 17:49:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:49:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:49:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-14 17:49:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-14 17:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 17:49:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 17:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:49:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:49:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:49:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:49:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-14 17:49:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:49:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-14 17:49:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 17:49:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 17:49:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-14 17:49:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-14 17:49:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-14 17:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-14 17:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 17:49:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 17:49:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-14 17:49:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-14 17:49:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-14 17:49:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-14 17:49:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:49:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:49:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:49:28,892 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:49:28,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:49:29,475 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:49:34,034 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:49:34,063 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:49:34,063 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 17:49:34,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:49:34 BoogieIcfgContainer [2021-12-14 17:49:34,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:49:34,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:49:34,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:49:34,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:49:34,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:49:24" (1/3) ... [2021-12-14 17:49:34,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc893f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:49:34, skipping insertion in model container [2021-12-14 17:49:34,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:27" (2/3) ... [2021-12-14 17:49:34,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc893f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:49:34, skipping insertion in model container [2021-12-14 17:49:34,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:49:34" (3/3) ... [2021-12-14 17:49:34,083 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 [2021-12-14 17:49:34,086 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:49:34,087 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:49:34,132 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:49:34,140 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:49:34,141 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:49:34,195 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) [2021-12-14 17:49:34,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-14 17:49:34,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:49:34,208 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] [2021-12-14 17:49:34,208 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:49:34,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:49:34,211 INFO L85 PathProgramCache]: Analyzing trace with hash 466734356, now seen corresponding path program 1 times [2021-12-14 17:49:34,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:49:34,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865098335] [2021-12-14 17:49:34,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:49:34,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:49:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:49:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:49:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:49:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:49:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:49:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:49:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-14 17:49:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:49:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-14 17:49:34,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:49:34,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865098335] [2021-12-14 17:49:34,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865098335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:49:34,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:49:34,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:49:34,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675687039] [2021-12-14 17:49:34,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:49:34,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:49:34,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:49:34,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:49:34,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:49:34,936 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) [2021-12-14 17:49:45,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:49:45,447 INFO L93 Difference]: Finished difference Result 8977 states and 13564 transitions. [2021-12-14 17:49:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:49:45,449 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 [2021-12-14 17:49:45,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:49:45,489 INFO L225 Difference]: With dead ends: 8977 [2021-12-14 17:49:45,490 INFO L226 Difference]: Without dead ends: 5942 [2021-12-14 17:49:45,508 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 [2021-12-14 17:49:45,519 INFO L933 BasicCegarLoop]: 4580 mSDtfsCounter, 6060 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 5255 mSolverCounterSat, 4258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s 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, 10.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:49:45,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6577 Valid, 11415 Invalid, 9513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4258 Valid, 5255 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2021-12-14 17:49:45,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2021-12-14 17:49:45,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5394. [2021-12-14 17:49:45,838 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) [2021-12-14 17:49:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 8031 transitions. [2021-12-14 17:49:45,874 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 8031 transitions. Word has length 71 [2021-12-14 17:49:45,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:49:45,875 INFO L470 AbstractCegarLoop]: Abstraction has 5394 states and 8031 transitions. [2021-12-14 17:49:45,876 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) [2021-12-14 17:49:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 8031 transitions. [2021-12-14 17:49:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-14 17:49:45,886 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:49:45,886 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] [2021-12-14 17:49:45,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:49:45,887 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:49:45,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:49:45,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1296466078, now seen corresponding path program 1 times [2021-12-14 17:49:45,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:49:45,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438031117] [2021-12-14 17:49:45,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:49:45,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:49:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:49:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:49:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:49:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:49:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:49:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:49:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 17:49:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-14 17:49:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:49:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-14 17:49:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 17:49:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 17:49:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 17:49:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-14 17:49:46,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:49:46,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438031117] [2021-12-14 17:49:46,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438031117] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:49:46,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:49:46,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:49:46,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56885959] [2021-12-14 17:49:46,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:49:46,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:49:46,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:49:46,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:49:46,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:49:46,346 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) [2021-12-14 17:49:52,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:49:52,912 INFO L93 Difference]: Finished difference Result 11051 states and 16586 transitions. [2021-12-14 17:49:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:49:52,912 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 [2021-12-14 17:49:52,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:49:52,939 INFO L225 Difference]: With dead ends: 11051 [2021-12-14 17:49:52,940 INFO L226 Difference]: Without dead ends: 5672 [2021-12-14 17:49:52,964 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 [2021-12-14 17:49:52,965 INFO L933 BasicCegarLoop]: 3700 mSDtfsCounter, 6071 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 3180 mSolverCounterSat, 3779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 6.2s IncrementalHoareTripleChecker+Time [2021-12-14 17:49:52,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6533 Valid, 6396 Invalid, 6959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3779 Valid, 3180 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-12-14 17:49:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2021-12-14 17:49:53,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 5119. [2021-12-14 17:49:53,171 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) [2021-12-14 17:49:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7484 transitions. [2021-12-14 17:49:53,189 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7484 transitions. Word has length 111 [2021-12-14 17:49:53,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:49:53,189 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 7484 transitions. [2021-12-14 17:49:53,190 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) [2021-12-14 17:49:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7484 transitions. [2021-12-14 17:49:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-14 17:49:53,193 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:49:53,194 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] [2021-12-14 17:49:53,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:49:53,194 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:49:53,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:49:53,194 INFO L85 PathProgramCache]: Analyzing trace with hash -510734873, now seen corresponding path program 1 times [2021-12-14 17:49:53,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:49:53,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929320354] [2021-12-14 17:49:53,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:49:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:49:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:49:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:49:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:49:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:49:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:49:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:49:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:49:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 17:49:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:49:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:49:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 17:49:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-14 17:49:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-14 17:49:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:49:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-14 17:49:53,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:49:53,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929320354] [2021-12-14 17:49:53,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929320354] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:49:53,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:49:53,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:49:53,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515552241] [2021-12-14 17:49:53,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:49:53,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:49:53,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:49:53,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:49:53,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:49:53,534 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) [2021-12-14 17:50:00,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:00,206 INFO L93 Difference]: Finished difference Result 6367 states and 9283 transitions. [2021-12-14 17:50:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 17:50:00,207 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 [2021-12-14 17:50:00,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:00,239 INFO L225 Difference]: With dead ends: 6367 [2021-12-14 17:50:00,239 INFO L226 Difference]: Without dead ends: 6364 [2021-12-14 17:50:00,243 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 [2021-12-14 17:50:00,244 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 6086 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 3673 mSolverCounterSat, 3874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6505 SdHoareTripleChecker+Valid, 7223 SdHoareTripleChecker+Invalid, 7547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3874 IncrementalHoareTripleChecker+Valid, 3673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:00,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6505 Valid, 7223 Invalid, 7547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3874 Valid, 3673 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-14 17:50:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2021-12-14 17:50:00,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 5687. [2021-12-14 17:50:00,447 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) [2021-12-14 17:50:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 8223 transitions. [2021-12-14 17:50:00,465 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 8223 transitions. Word has length 106 [2021-12-14 17:50:00,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:00,467 INFO L470 AbstractCegarLoop]: Abstraction has 5687 states and 8223 transitions. [2021-12-14 17:50:00,468 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) [2021-12-14 17:50:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 8223 transitions. [2021-12-14 17:50:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-14 17:50:00,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:00,479 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] [2021-12-14 17:50:00,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:50:00,479 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:00,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:00,480 INFO L85 PathProgramCache]: Analyzing trace with hash -93037146, now seen corresponding path program 1 times [2021-12-14 17:50:00,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:00,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113642186] [2021-12-14 17:50:00,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:00,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-14 17:50:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 17:50:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 17:50:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 17:50:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:50:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:50:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 17:50:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 17:50:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:50:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 17:50:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:50:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 17:50:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 17:50:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-14 17:50:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-14 17:50:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-14 17:50:00,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:00,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113642186] [2021-12-14 17:50:00,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113642186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:00,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:00,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 17:50:00,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433745143] [2021-12-14 17:50:00,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:00,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:50:00,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:00,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:50:00,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:50:00,865 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) [2021-12-14 17:50:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:50:17,398 INFO L93 Difference]: Finished difference Result 21266 states and 31697 transitions. [2021-12-14 17:50:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-14 17:50:17,399 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 [2021-12-14 17:50:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:50:17,482 INFO L225 Difference]: With dead ends: 21266 [2021-12-14 17:50:17,483 INFO L226 Difference]: Without dead ends: 15594 [2021-12-14 17:50:17,504 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 [2021-12-14 17:50:17,505 INFO L933 BasicCegarLoop]: 4461 mSDtfsCounter, 15030 mSDsluCounter, 8135 mSDsCounter, 0 mSdLazyCounter, 12157 mSolverCounterSat, 14799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15538 SdHoareTripleChecker+Valid, 12596 SdHoareTripleChecker+Invalid, 26956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14799 IncrementalHoareTripleChecker+Valid, 12157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-12-14 17:50:17,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15538 Valid, 12596 Invalid, 26956 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14799 Valid, 12157 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2021-12-14 17:50:17,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15594 states. [2021-12-14 17:50:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15594 to 9893. [2021-12-14 17:50:18,039 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) [2021-12-14 17:50:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9893 states to 9893 states and 14310 transitions. [2021-12-14 17:50:18,081 INFO L78 Accepts]: Start accepts. Automaton has 9893 states and 14310 transitions. Word has length 154 [2021-12-14 17:50:18,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:50:18,081 INFO L470 AbstractCegarLoop]: Abstraction has 9893 states and 14310 transitions. [2021-12-14 17:50:18,081 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) [2021-12-14 17:50:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 9893 states and 14310 transitions. [2021-12-14 17:50:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-14 17:50:18,096 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:50:18,096 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] [2021-12-14 17:50:18,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:50:18,097 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:50:18,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:50:18,098 INFO L85 PathProgramCache]: Analyzing trace with hash 310118013, now seen corresponding path program 1 times [2021-12-14 17:50:18,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:50:18,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022182992] [2021-12-14 17:50:18,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:50:18,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:50:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:50:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:50:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:50:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:50:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:50:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:50:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:50:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:50:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 17:50:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:50:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-14 17:50:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-14 17:50:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 17:50:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-14 17:50:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-14 17:50:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-14 17:50:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:50:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 17:50:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-14 17:50:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 17:50:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 17:50:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 17:50:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 17:50:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:50:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 17:50:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:50:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-14 17:50:18,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:50:18,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022182992] [2021-12-14 17:50:18,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022182992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:50:18,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:50:18,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 17:50:18,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367062433] [2021-12-14 17:50:18,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:50:18,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:50:18,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:50:18,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:50:18,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:50:18,487 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)