./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--prism54--prism54.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 dfd6d574d08999b62054724022525ae58fcf8eb53291450098ab652e14e39cce --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:37:15,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:37:15,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:37:15,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:37:15,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:37:15,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:37:15,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:37:15,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:37:15,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:37:15,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:37:15,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:37:15,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:37:15,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:37:15,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:37:15,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:37:15,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:37:15,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:37:15,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:37:15,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:37:15,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:37:15,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:37:15,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:37:15,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:37:15,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:37:15,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:37:15,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:37:15,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:37:15,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:37:15,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:37:15,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:37:15,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:37:15,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:37:15,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:37:15,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:37:15,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:37:15,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:37:15,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:37:15,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:37:15,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:37:15,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:37:15,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:37:15,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:37:15,736 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:37:15,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:37:15,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:37:15,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:37:15,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:37:15,738 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:37:15,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:37:15,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:37:15,739 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:37:15,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:37:15,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:37:15,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:37:15,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:37:15,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:37:15,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:37:15,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:37:15,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:37:15,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:37:15,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:37:15,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:37:15,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:37:15,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:37:15,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:37:15,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:37:15,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:37:15,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:37:15,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:37:15,743 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:37:15,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:37:15,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:37:15,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:37:15,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfd6d574d08999b62054724022525ae58fcf8eb53291450098ab652e14e39cce [2021-12-21 16:37:15,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:37:16,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:37:16,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:37:16,010 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:37:16,010 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:37:16,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-21 16:37:16,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11203c4a/581841407686462fb062df45fcd243de/FLAG299f1fc84 [2021-12-21 16:37:16,898 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:37:16,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-21 16:37:16,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11203c4a/581841407686462fb062df45fcd243de/FLAG299f1fc84 [2021-12-21 16:37:17,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11203c4a/581841407686462fb062df45fcd243de [2021-12-21 16:37:17,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:37:17,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:37:17,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:37:17,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:37:17,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:37:17,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:37:17" (1/1) ... [2021-12-21 16:37:17,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26282394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:17, skipping insertion in model container [2021-12-21 16:37:17,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:37:17" (1/1) ... [2021-12-21 16:37:17,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:37:17,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:37:21,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[479141,479154] [2021-12-21 16:37:21,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:37:22,081 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:37:22,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[479141,479154] [2021-12-21 16:37:22,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:37:22,779 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:37:22,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22 WrapperNode [2021-12-21 16:37:22,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:37:22,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:37:22,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:37:22,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:37:22,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:22,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,195 INFO L137 Inliner]: procedures = 606, calls = 6407, calls flagged for inlining = 203, calls inlined = 162, statements flattened = 7657 [2021-12-21 16:37:23,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:37:23,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:37:23,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:37:23,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:37:23,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:37:23,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:37:23,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:37:23,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:37:23,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (1/1) ... [2021-12-21 16:37:23,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:37:23,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:37:23,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:37:23,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:37:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-21 16:37:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-21 16:37:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-21 16:37:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-21 16:37:23,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2021-12-21 16:37:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2021-12-21 16:37:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 16:37:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:37:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:37:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:37:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:37:23,806 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-21 16:37:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-21 16:37:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:37:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:37:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:37:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:37:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-21 16:37:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-21 16:37:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-21 16:37:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-21 16:37:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:37:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:37:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 16:37:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 16:37:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:37:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:37:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-21 16:37:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-21 16:37:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-21 16:37:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-21 16:37:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-21 16:37:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-21 16:37:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 16:37:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 16:37:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:37:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:37:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:37:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:37:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-21 16:37:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-21 16:37:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:37:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:37:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 16:37:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 16:37:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:37:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:37:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:37:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:37:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:37:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-21 16:37:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-21 16:37:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-21 16:37:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-21 16:37:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:37:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:37:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:37:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:37:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:37:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-21 16:37:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-21 16:37:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:37:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:37:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-21 16:37:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-21 16:37:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:37:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:37:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:37:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:37:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:37:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:37:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2021-12-21 16:37:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2021-12-21 16:37:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-21 16:37:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-21 16:37:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:37:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:37:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:37:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:37:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:37:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:37:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 16:37:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 16:37:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:37:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:37:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:37:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:37:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:37:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:37:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 16:37:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 16:37:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 16:37:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 16:37:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-21 16:37:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-21 16:37:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:37:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:37:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 16:37:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 16:37:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-21 16:37:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-21 16:37:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-21 16:37:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-21 16:37:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-21 16:37:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-21 16:37:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:37:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:37:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 16:37:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 16:37:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-21 16:37:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-21 16:37:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-21 16:37:23,846 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-21 16:37:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:37:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:37:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:37:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:37:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:37:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 16:37:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:37:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:37:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:37:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:37:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 16:37:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 16:37:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-21 16:37:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-21 16:37:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2021-12-21 16:37:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2021-12-21 16:37:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-21 16:37:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-21 16:37:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:37:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:37:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:37:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:37:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 16:37:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 16:37:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:37:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:37:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:37:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:37:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:37:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:37:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:37:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:37:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 16:37:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 16:37:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-21 16:37:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-21 16:37:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 16:37:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 16:37:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-21 16:37:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-21 16:37:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:37:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:37:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:37:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-21 16:37:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-21 16:37:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:37:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-21 16:37:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-21 16:37:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-21 16:37:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-21 16:37:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-21 16:37:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-21 16:37:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:37:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-21 16:37:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-21 16:37:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-21 16:37:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-21 16:37:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:37:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:37:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:37:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:37:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-21 16:37:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-21 16:37:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 16:37:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 16:37:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:37:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:37:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-21 16:37:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-21 16:37:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-21 16:37:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-21 16:37:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:37:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:37:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-21 16:37:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-21 16:37:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-21 16:37:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-21 16:37:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-21 16:37:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-21 16:37:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 16:37:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 16:37:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2021-12-21 16:37:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2021-12-21 16:37:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:37:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:37:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-21 16:37:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-21 16:37:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-21 16:37:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-21 16:37:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:37:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:37:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-21 16:37:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-21 16:37:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mgmt_lock_of_NOT_ARG_SIGN [2021-12-21 16:37:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mgmt_lock_of_NOT_ARG_SIGN [2021-12-21 16:37:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:37:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-21 16:37:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-21 16:37:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_stats_lock_of_NOT_ARG_SIGN [2021-12-21 16:37:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_stats_lock_of_NOT_ARG_SIGN [2021-12-21 16:37:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-21 16:37:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-21 16:37:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:37:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:37:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-21 16:37:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-21 16:37:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2021-12-21 16:37:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2021-12-21 16:37:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-21 16:37:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-21 16:37:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:37:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:37:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 16:37:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 16:37:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:37:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:37:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-21 16:37:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-21 16:37:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-21 16:37:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-21 16:37:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:37:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:37:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2021-12-21 16:37:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2021-12-21 16:37:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:37:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 16:37:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-21 16:37:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-21 16:37:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-21 16:37:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-21 16:37:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2021-12-21 16:37:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2021-12-21 16:37:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-21 16:37:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-21 16:37:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:37:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:37:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 16:37:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 16:37:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:37:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-21 16:37:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-21 16:37:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-21 16:37:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-21 16:37:24,699 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:37:24,703 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:37:25,069 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:37:30,961 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:37:30,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:37:30,984 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 16:37:30,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:37:30 BoogieIcfgContainer [2021-12-21 16:37:30,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:37:30,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:37:30,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:37:30,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:37:30,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:37:17" (1/3) ... [2021-12-21 16:37:30,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb6dde2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:37:30, skipping insertion in model container [2021-12-21 16:37:30,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:37:22" (2/3) ... [2021-12-21 16:37:30,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb6dde2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:37:30, skipping insertion in model container [2021-12-21 16:37:30,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:37:30" (3/3) ... [2021-12-21 16:37:30,995 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2021-12-21 16:37:31,003 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:37:31,003 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:37:31,055 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:37:31,071 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:37:31,071 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:37:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 1961 states, 1362 states have (on average 1.3127753303964758) internal successors, (1788), 1402 states have internal predecessors, (1788), 479 states have call successors, (479), 119 states have call predecessors, (479), 118 states have return successors, (471), 469 states have call predecessors, (471), 471 states have call successors, (471) [2021-12-21 16:37:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 16:37:31,134 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:37:31,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:37:31,136 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:37:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:37:31,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1446364687, now seen corresponding path program 1 times [2021-12-21 16:37:31,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:37:31,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631987460] [2021-12-21 16:37:31,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:37:31,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:37:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:32,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:37:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:37:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:37:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:37:32,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:37:32,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631987460] [2021-12-21 16:37:32,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631987460] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:37:32,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:37:32,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:37:32,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185318471] [2021-12-21 16:37:32,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:37:32,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:37:32,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:37:32,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:37:32,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:37:32,283 INFO L87 Difference]: Start difference. First operand has 1961 states, 1362 states have (on average 1.3127753303964758) internal successors, (1788), 1402 states have internal predecessors, (1788), 479 states have call successors, (479), 119 states have call predecessors, (479), 118 states have return successors, (471), 469 states have call predecessors, (471), 471 states have call successors, (471) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-21 16:37:36,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:37:36,964 INFO L93 Difference]: Finished difference Result 4087 states and 5885 transitions. [2021-12-21 16:37:36,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:37:36,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2021-12-21 16:37:36,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:37:37,003 INFO L225 Difference]: With dead ends: 4087 [2021-12-21 16:37:37,004 INFO L226 Difference]: Without dead ends: 2083 [2021-12-21 16:37:37,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:37:37,034 INFO L933 BasicCegarLoop]: 2620 mSDtfsCounter, 1221 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 1236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:37:37,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1229 Valid, 4779 Invalid, 2749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1236 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-21 16:37:37,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2021-12-21 16:37:37,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1917. [2021-12-21 16:37:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1328 states have (on average 1.2899096385542168) internal successors, (1713), 1358 states have internal predecessors, (1713), 471 states have call successors, (471), 118 states have call predecessors, (471), 117 states have return successors, (458), 456 states have call predecessors, (458), 458 states have call successors, (458) [2021-12-21 16:37:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2642 transitions. [2021-12-21 16:37:37,234 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2642 transitions. Word has length 52 [2021-12-21 16:37:37,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:37:37,235 INFO L470 AbstractCegarLoop]: Abstraction has 1917 states and 2642 transitions. [2021-12-21 16:37:37,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-21 16:37:37,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2642 transitions. [2021-12-21 16:37:37,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 16:37:37,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:37:37,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:37:37,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:37:37,243 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:37:37,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:37:37,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1870011409, now seen corresponding path program 1 times [2021-12-21 16:37:37,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:37:37,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291273507] [2021-12-21 16:37:37,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:37:37,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:37:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:37:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:37:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:37,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:37:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 16:37:37,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:37:37,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291273507] [2021-12-21 16:37:37,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291273507] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:37:37,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:37:37,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:37:37,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740903851] [2021-12-21 16:37:37,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:37:37,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:37:37,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:37:37,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:37:37,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:37:37,939 INFO L87 Difference]: Start difference. First operand 1917 states and 2642 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-21 16:37:47,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:37:47,442 INFO L93 Difference]: Finished difference Result 6036 states and 8473 transitions. [2021-12-21 16:37:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:37:47,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2021-12-21 16:37:47,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:37:47,477 INFO L225 Difference]: With dead ends: 6036 [2021-12-21 16:37:47,477 INFO L226 Difference]: Without dead ends: 4129 [2021-12-21 16:37:47,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:37:47,491 INFO L933 BasicCegarLoop]: 3056 mSDtfsCounter, 4385 mSDsluCounter, 5415 mSDsCounter, 0 mSdLazyCounter, 4190 mSolverCounterSat, 2586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4718 SdHoareTripleChecker+Valid, 8471 SdHoareTripleChecker+Invalid, 6776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2586 IncrementalHoareTripleChecker+Valid, 4190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:37:47,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4718 Valid, 8471 Invalid, 6776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2586 Valid, 4190 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-12-21 16:37:47,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4129 states. [2021-12-21 16:37:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4129 to 3789. [2021-12-21 16:37:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3789 states, 2628 states have (on average 1.288812785388128) internal successors, (3387), 2676 states have internal predecessors, (3387), 926 states have call successors, (926), 235 states have call predecessors, (926), 234 states have return successors, (913), 909 states have call predecessors, (913), 913 states have call successors, (913) [2021-12-21 16:37:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3789 states and 5226 transitions. [2021-12-21 16:37:47,701 INFO L78 Accepts]: Start accepts. Automaton has 3789 states and 5226 transitions. Word has length 52 [2021-12-21 16:37:47,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:37:47,701 INFO L470 AbstractCegarLoop]: Abstraction has 3789 states and 5226 transitions. [2021-12-21 16:37:47,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-21 16:37:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3789 states and 5226 transitions. [2021-12-21 16:37:47,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-21 16:37:47,704 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:37:47,705 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 16:37:47,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:37:47,705 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:37:47,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:37:47,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1287472509, now seen corresponding path program 1 times [2021-12-21 16:37:47,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:37:47,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218343145] [2021-12-21 16:37:47,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:37:47,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:37:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:37:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:37:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:37:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 16:37:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:37:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:37:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 16:37:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-21 16:37:48,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:37:48,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218343145] [2021-12-21 16:37:48,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218343145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:37:48,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:37:48,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:37:48,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883664972] [2021-12-21 16:37:48,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:37:48,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:37:48,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:37:48,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:37:48,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:37:48,393 INFO L87 Difference]: Start difference. First operand 3789 states and 5226 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:37:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:37:54,918 INFO L93 Difference]: Finished difference Result 11913 states and 16735 transitions. [2021-12-21 16:37:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:37:54,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 5 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 73 [2021-12-21 16:37:54,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:37:54,979 INFO L225 Difference]: With dead ends: 11913 [2021-12-21 16:37:54,980 INFO L226 Difference]: Without dead ends: 8134 [2021-12-21 16:37:55,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:37:55,005 INFO L933 BasicCegarLoop]: 2932 mSDtfsCounter, 5514 mSDsluCounter, 3218 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 3875 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5843 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 5932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3875 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:37:55,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5843 Valid, 6150 Invalid, 5932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3875 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-21 16:37:55,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8134 states. [2021-12-21 16:37:55,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8134 to 7446. [2021-12-21 16:37:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7446 states, 5168 states have (on average 1.2890866873065014) internal successors, (6662), 5252 states have internal predecessors, (6662), 1815 states have call successors, (1815), 463 states have call predecessors, (1815), 462 states have return successors, (1802), 1794 states have call predecessors, (1802), 1802 states have call successors, (1802) [2021-12-21 16:37:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7446 states to 7446 states and 10279 transitions. [2021-12-21 16:37:55,396 INFO L78 Accepts]: Start accepts. Automaton has 7446 states and 10279 transitions. Word has length 73 [2021-12-21 16:37:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:37:55,398 INFO L470 AbstractCegarLoop]: Abstraction has 7446 states and 10279 transitions. [2021-12-21 16:37:55,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-21 16:37:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 7446 states and 10279 transitions. [2021-12-21 16:37:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-21 16:37:55,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:37:55,401 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 16:37:55,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:37:55,401 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:37:55,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:37:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash 486934852, now seen corresponding path program 1 times [2021-12-21 16:37:55,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:37:55,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803848320] [2021-12-21 16:37:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:37:55,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:37:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:55,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:37:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:37:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:37:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 16:37:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:37:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-21 16:37:56,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:37:56,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803848320] [2021-12-21 16:37:56,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803848320] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:37:56,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:37:56,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:37:56,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919720982] [2021-12-21 16:37:56,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:37:56,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:37:56,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:37:56,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:37:56,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:37:56,047 INFO L87 Difference]: Start difference. First operand 7446 states and 10279 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 16:37:59,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:37:59,075 INFO L93 Difference]: Finished difference Result 8112 states and 11491 transitions. [2021-12-21 16:37:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 16:37:59,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 72 [2021-12-21 16:37:59,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:37:59,127 INFO L225 Difference]: With dead ends: 8112 [2021-12-21 16:37:59,127 INFO L226 Difference]: Without dead ends: 8109 [2021-12-21 16:37:59,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:37:59,136 INFO L933 BasicCegarLoop]: 2525 mSDtfsCounter, 3921 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 2094 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4247 SdHoareTripleChecker+Valid, 3613 SdHoareTripleChecker+Invalid, 2986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2094 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-21 16:37:59,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4247 Valid, 3613 Invalid, 2986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2094 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-21 16:37:59,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8109 states. [2021-12-21 16:37:59,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8109 to 7445. [2021-12-21 16:37:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7445 states, 5168 states have (on average 1.2888931888544892) internal successors, (6661), 5251 states have internal predecessors, (6661), 1814 states have call successors, (1814), 463 states have call predecessors, (1814), 462 states have return successors, (1802), 1794 states have call predecessors, (1802), 1802 states have call successors, (1802) [2021-12-21 16:37:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7445 states to 7445 states and 10277 transitions. [2021-12-21 16:37:59,516 INFO L78 Accepts]: Start accepts. Automaton has 7445 states and 10277 transitions. Word has length 72 [2021-12-21 16:37:59,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:37:59,517 INFO L470 AbstractCegarLoop]: Abstraction has 7445 states and 10277 transitions. [2021-12-21 16:37:59,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 16:37:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 7445 states and 10277 transitions. [2021-12-21 16:37:59,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-21 16:37:59,520 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:37:59,520 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 16:37:59,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:37:59,521 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:37:59,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:37:59,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2085748447, now seen corresponding path program 1 times [2021-12-21 16:37:59,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:37:59,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881909919] [2021-12-21 16:37:59,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:37:59,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:37:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:37:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:37:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:37:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:37:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:37:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 16:38:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:38:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:38:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-21 16:38:00,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:38:00,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881909919] [2021-12-21 16:38:00,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881909919] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:38:00,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:38:00,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:38:00,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800629104] [2021-12-21 16:38:00,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:38:00,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:38:00,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:38:00,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:38:00,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:38:00,050 INFO L87 Difference]: Start difference. First operand 7445 states and 10277 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 16:38:04,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:38:04,650 INFO L93 Difference]: Finished difference Result 8111 states and 11489 transitions. [2021-12-21 16:38:04,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 16:38:04,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2021-12-21 16:38:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:38:04,773 INFO L225 Difference]: With dead ends: 8111 [2021-12-21 16:38:04,774 INFO L226 Difference]: Without dead ends: 8108 [2021-12-21 16:38:04,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:38:04,778 INFO L933 BasicCegarLoop]: 2517 mSDtfsCounter, 3340 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 2240 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3664 SdHoareTripleChecker+Valid, 5503 SdHoareTripleChecker+Invalid, 3712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1472 IncrementalHoareTripleChecker+Valid, 2240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:38:04,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3664 Valid, 5503 Invalid, 3712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1472 Valid, 2240 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-21 16:38:04,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8108 states. [2021-12-21 16:38:05,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8108 to 7444. [2021-12-21 16:38:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7444 states, 5168 states have (on average 1.2886996904024768) internal successors, (6660), 5250 states have internal predecessors, (6660), 1813 states have call successors, (1813), 463 states have call predecessors, (1813), 462 states have return successors, (1802), 1794 states have call predecessors, (1802), 1802 states have call successors, (1802) [2021-12-21 16:38:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7444 states to 7444 states and 10275 transitions. [2021-12-21 16:38:05,073 INFO L78 Accepts]: Start accepts. Automaton has 7444 states and 10275 transitions. Word has length 73 [2021-12-21 16:38:05,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:38:05,074 INFO L470 AbstractCegarLoop]: Abstraction has 7444 states and 10275 transitions. [2021-12-21 16:38:05,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-21 16:38:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 7444 states and 10275 transitions. [2021-12-21 16:38:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-21 16:38:05,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:38:05,078 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 16:38:05,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 16:38:05,078 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:38:05,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:38:05,079 INFO L85 PathProgramCache]: Analyzing trace with hash -234547225, now seen corresponding path program 1 times [2021-12-21 16:38:05,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:38:05,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691473313] [2021-12-21 16:38:05,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:38:05,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:38:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:38:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:38:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:38:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:38:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:38:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 16:38:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:38:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:38:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:38:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-21 16:38:05,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:38:05,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691473313] [2021-12-21 16:38:05,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691473313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:38:05,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:38:05,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:38:05,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806829220] [2021-12-21 16:38:05,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:38:05,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:38:05,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:38:05,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:38:05,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:38:05,670 INFO L87 Difference]: Start difference. First operand 7444 states and 10275 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)