./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.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 2528ab0154bfd45dbc6e33de3a31029199c439afce343ebf61a330fa9c381cd3 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:18:18,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:18:18,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:18:18,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:18:18,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:18:18,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:18:18,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:18:18,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:18:18,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:18:18,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:18:18,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:18:18,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:18:18,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:18:18,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:18:18,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:18:18,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:18:18,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:18:18,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:18:18,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:18:18,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:18:18,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:18:18,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:18:18,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:18:18,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:18:18,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:18:18,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:18:18,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:18:18,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:18:18,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:18:18,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:18:18,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:18:18,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:18:18,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:18:18,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:18:18,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:18:18,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:18:18,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:18:18,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:18:18,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:18:18,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:18:18,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:18:18,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:18:18,753 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:18:18,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:18:18,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:18:18,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:18:18,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:18:18,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:18:18,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:18:18,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:18:18,756 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:18:18,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:18:18,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:18:18,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:18:18,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:18:18,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:18:18,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:18:18,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:18:18,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:18:18,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:18:18,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:18:18,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:18:18,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:18:18,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:18:18,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:18:18,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:18:18,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:18:18,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:18:18,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:18:18,760 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:18:18,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:18:18,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:18:18,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:18:18,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2528ab0154bfd45dbc6e33de3a31029199c439afce343ebf61a330fa9c381cd3 [2021-12-14 18:18:18,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:18:18,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:18:18,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:18:18,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:18:18,967 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:18:18,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i [2021-12-14 18:18:19,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5356543b8/e63a8650b9b246e2bdcb23df2d7977a5/FLAG045b30682 [2021-12-14 18:18:19,632 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:18:19,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i [2021-12-14 18:18:19,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5356543b8/e63a8650b9b246e2bdcb23df2d7977a5/FLAG045b30682 [2021-12-14 18:18:19,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5356543b8/e63a8650b9b246e2bdcb23df2d7977a5 [2021-12-14 18:18:19,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:18:19,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:18:19,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:18:19,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:18:19,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:18:19,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:18:19" (1/1) ... [2021-12-14 18:18:19,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b003faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:19, skipping insertion in model container [2021-12-14 18:18:19,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:18:19" (1/1) ... [2021-12-14 18:18:19,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:18:19,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:18:21,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i[313663,313676] [2021-12-14 18:18:21,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:18:21,716 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:18:21,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i[313663,313676] [2021-12-14 18:18:21,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:18:22,123 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:18:22,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22 WrapperNode [2021-12-14 18:18:22,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:18:22,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:18:22,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:18:22,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:18:22,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,369 INFO L137 Inliner]: procedures = 323, calls = 2177, calls flagged for inlining = 155, calls inlined = 135, statements flattened = 4519 [2021-12-14 18:18:22,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:18:22,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:18:22,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:18:22,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:18:22,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:18:22,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:18:22,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:18:22,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:18:22,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (1/1) ... [2021-12-14 18:18:22,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:18:22,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:18:22,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:18:22,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:18:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2021-12-14 18:18:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2021-12-14 18:18:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 18:18:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-14 18:18:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-14 18:18:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2021-12-14 18:18:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2021-12-14 18:18:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:18:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2021-12-14 18:18:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2021-12-14 18:18:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:18:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:18:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:18:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:18:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:18:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2021-12-14 18:18:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2021-12-14 18:18:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:18:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:18:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:18:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:18:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2021-12-14 18:18:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2021-12-14 18:18:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:18:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:18:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:18:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:18:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:18:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:18:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2021-12-14 18:18:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2021-12-14 18:18:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:18:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:18:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2021-12-14 18:18:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2021-12-14 18:18:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 18:18:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 18:18:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-14 18:18:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-14 18:18:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:18:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:18:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:18:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:18:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2021-12-14 18:18:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2021-12-14 18:18:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:18:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:18:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:18:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:18:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 18:18:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 18:18:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:18:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:18:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 18:18:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 18:18:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:18:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:18:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_change_mtu [2021-12-14 18:18:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_change_mtu [2021-12-14 18:18:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:18:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:18:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:18:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:18:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-12-14 18:18:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-12-14 18:18:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:18:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:18:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:18:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:18:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:18:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:18:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-14 18:18:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-14 18:18:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:18:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2021-12-14 18:18:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2021-12-14 18:18:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:18:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:18:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-14 18:18:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-14 18:18:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2021-12-14 18:18:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2021-12-14 18:18:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:18:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:18:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:18:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:18:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:18:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:18:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:18:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:18:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:18:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:18:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:18:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-12-14 18:18:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-12-14 18:18:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:18:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:18:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 18:18:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 18:18:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:18:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:18:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:18:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-14 18:18:22,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-14 18:18:22,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:18:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2021-12-14 18:18:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2021-12-14 18:18:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-12-14 18:18:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-12-14 18:18:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:18:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:18:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:18:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:18:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:18:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:18:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2021-12-14 18:18:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2021-12-14 18:18:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2021-12-14 18:18:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2021-12-14 18:18:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2021-12-14 18:18:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2021-12-14 18:18:22,711 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-14 18:18:22,711 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-14 18:18:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:18:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 18:18:22,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 18:18:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:18:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:18:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2021-12-14 18:18:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2021-12-14 18:18:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:18:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-14 18:18:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-14 18:18:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2021-12-14 18:18:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2021-12-14 18:18:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:18:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-14 18:18:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-14 18:18:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:18:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:18:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:18:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:18:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:18:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:18:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2021-12-14 18:18:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2021-12-14 18:18:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2021-12-14 18:18:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2021-12-14 18:18:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:18:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:18:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:18:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:18:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2021-12-14 18:18:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2021-12-14 18:18:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2021-12-14 18:18:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2021-12-14 18:18:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2021-12-14 18:18:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2021-12-14 18:18:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:18:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-14 18:18:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-14 18:18:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-14 18:18:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-14 18:18:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2021-12-14 18:18:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2021-12-14 18:18:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 18:18:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 18:18:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-14 18:18:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-14 18:18:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:18:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:18:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:18:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:18:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2021-12-14 18:18:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2021-12-14 18:18:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-14 18:18:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-14 18:18:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:18:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-14 18:18:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-14 18:18:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:18:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:18:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-14 18:18:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-14 18:18:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:18:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2021-12-14 18:18:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2021-12-14 18:18:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:18:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:18:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:18:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:18:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:18:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 18:18:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 18:18:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-14 18:18:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-14 18:18:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 18:18:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 18:18:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 18:18:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 18:18:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2021-12-14 18:18:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2021-12-14 18:18:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2021-12-14 18:18:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2021-12-14 18:18:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:18:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:18:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2021-12-14 18:18:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2021-12-14 18:18:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2021-12-14 18:18:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2021-12-14 18:18:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2021-12-14 18:18:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2021-12-14 18:18:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2021-12-14 18:18:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2021-12-14 18:18:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-14 18:18:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-14 18:18:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-14 18:18:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-14 18:18:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-14 18:18:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-14 18:18:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2021-12-14 18:18:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2021-12-14 18:18:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2021-12-14 18:18:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2021-12-14 18:18:22,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:18:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:18:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:18:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:18:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:18:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:18:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2021-12-14 18:18:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2021-12-14 18:18:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:18:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2021-12-14 18:18:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2021-12-14 18:18:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-14 18:18:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-14 18:18:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:18:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:18:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-14 18:18:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-14 18:18:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2021-12-14 18:18:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2021-12-14 18:18:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:18:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:18:23,358 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:18:23,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:18:23,619 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:18:25,462 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:18:25,484 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:18:25,485 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:18:25,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:18:25 BoogieIcfgContainer [2021-12-14 18:18:25,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:18:25,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:18:25,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:18:25,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:18:25,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:18:19" (1/3) ... [2021-12-14 18:18:25,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce7e9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:18:25, skipping insertion in model container [2021-12-14 18:18:25,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:18:22" (2/3) ... [2021-12-14 18:18:25,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce7e9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:18:25, skipping insertion in model container [2021-12-14 18:18:25,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:18:25" (3/3) ... [2021-12-14 18:18:25,497 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--natsemi--natsemi.ko-entry_point.cil.out.i [2021-12-14 18:18:25,501 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:18:25,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:18:25,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:18:25,554 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:18:25,554 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:18:25,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 2169 states, 1403 states have (on average 1.31503920171062) internal successors, (1845), 1437 states have internal predecessors, (1845), 651 states have call successors, (651), 114 states have call predecessors, (651), 113 states have return successors, (643), 638 states have call predecessors, (643), 643 states have call successors, (643) [2021-12-14 18:18:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-14 18:18:25,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:18:25,644 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:18:25,645 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:18:25,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:18:25,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1802744873, now seen corresponding path program 1 times [2021-12-14 18:18:25,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:18:25,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833062137] [2021-12-14 18:18:25,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:18:25,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:18:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:18:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:18:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:18:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:18:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:18:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:18:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:18:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:18:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:18:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:18:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:18:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:18:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:18:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:18:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:18:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:18:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:18:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2021-12-14 18:18:26,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:18:26,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833062137] [2021-12-14 18:18:26,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833062137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:18:26,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:18:26,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:18:26,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035889389] [2021-12-14 18:18:26,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:18:26,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:18:26,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:18:26,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:18:26,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:18:26,563 INFO L87 Difference]: Start difference. First operand has 2169 states, 1403 states have (on average 1.31503920171062) internal successors, (1845), 1437 states have internal predecessors, (1845), 651 states have call successors, (651), 114 states have call predecessors, (651), 113 states have return successors, (643), 638 states have call predecessors, (643), 643 states have call successors, (643) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:18:30,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:18:30,530 INFO L93 Difference]: Finished difference Result 4538 states and 6661 transitions. [2021-12-14 18:18:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:18:30,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 256 [2021-12-14 18:18:30,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:18:30,556 INFO L225 Difference]: With dead ends: 4538 [2021-12-14 18:18:30,557 INFO L226 Difference]: Without dead ends: 2351 [2021-12-14 18:18:30,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:18:30,571 INFO L933 BasicCegarLoop]: 2848 mSDtfsCounter, 1385 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 1831 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 5812 SdHoareTripleChecker+Invalid, 4511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1831 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:18:30,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1415 Valid, 5812 Invalid, 4511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1831 Valid, 2680 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-14 18:18:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2021-12-14 18:18:30,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 2146. [2021-12-14 18:18:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1390 states have (on average 1.306474820143885) internal successors, (1816), 1414 states have internal predecessors, (1816), 643 states have call successors, (643), 113 states have call predecessors, (643), 112 states have return successors, (642), 637 states have call predecessors, (642), 642 states have call successors, (642) [2021-12-14 18:18:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 3101 transitions. [2021-12-14 18:18:30,693 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 3101 transitions. Word has length 256 [2021-12-14 18:18:30,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:18:30,694 INFO L470 AbstractCegarLoop]: Abstraction has 2146 states and 3101 transitions. [2021-12-14 18:18:30,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:18:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 3101 transitions. [2021-12-14 18:18:30,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-14 18:18:30,698 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:18:30,698 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:18:30,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:18:30,699 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:18:30,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:18:30,700 INFO L85 PathProgramCache]: Analyzing trace with hash 858816831, now seen corresponding path program 1 times [2021-12-14 18:18:30,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:18:30,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677132321] [2021-12-14 18:18:30,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:18:30,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:18:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:18:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:18:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:18:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:18:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:18:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:18:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:18:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:18:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:18:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:18:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:18:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:18:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:18:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:18:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:18:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:18:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:18:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2021-12-14 18:18:31,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:18:31,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677132321] [2021-12-14 18:18:31,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677132321] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:18:31,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:18:31,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:18:31,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297243511] [2021-12-14 18:18:31,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:18:31,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:18:31,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:18:31,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:18:31,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:18:31,088 INFO L87 Difference]: Start difference. First operand 2146 states and 3101 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:18:36,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:18:36,578 INFO L93 Difference]: Finished difference Result 6444 states and 9361 transitions. [2021-12-14 18:18:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:18:36,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 256 [2021-12-14 18:18:36,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:18:36,604 INFO L225 Difference]: With dead ends: 6444 [2021-12-14 18:18:36,605 INFO L226 Difference]: Without dead ends: 4338 [2021-12-14 18:18:36,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:18:36,616 INFO L933 BasicCegarLoop]: 3277 mSDtfsCounter, 5963 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 5589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6294 SdHoareTripleChecker+Valid, 6581 SdHoareTripleChecker+Invalid, 8308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5589 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:18:36,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6294 Valid, 6581 Invalid, 8308 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5589 Valid, 2719 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-14 18:18:36,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4338 states. [2021-12-14 18:18:36,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4338 to 3928. [2021-12-14 18:18:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3928 states, 2533 states have (on average 1.3020134228187918) internal successors, (3298), 2580 states have internal predecessors, (3298), 1174 states have call successors, (1174), 221 states have call predecessors, (1174), 220 states have return successors, (1173), 1164 states have call predecessors, (1173), 1173 states have call successors, (1173) [2021-12-14 18:18:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3928 states and 5645 transitions. [2021-12-14 18:18:36,827 INFO L78 Accepts]: Start accepts. Automaton has 3928 states and 5645 transitions. Word has length 256 [2021-12-14 18:18:36,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:18:36,829 INFO L470 AbstractCegarLoop]: Abstraction has 3928 states and 5645 transitions. [2021-12-14 18:18:36,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:18:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3928 states and 5645 transitions. [2021-12-14 18:18:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-12-14 18:18:36,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:18:36,839 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:18:36,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:18:36,839 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:18:36,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:18:36,840 INFO L85 PathProgramCache]: Analyzing trace with hash -136851509, now seen corresponding path program 1 times [2021-12-14 18:18:36,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:18:36,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937352927] [2021-12-14 18:18:36,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:18:36,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:18:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:18:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:18:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:18:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:18:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:18:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:18:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:18:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:18:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:18:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:18:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:18:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:18:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:18:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:18:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:18:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:18:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-14 18:18:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-14 18:18:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 18:18:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-14 18:18:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-14 18:18:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-14 18:18:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-14 18:18:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2021-12-14 18:18:37,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:18:37,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937352927] [2021-12-14 18:18:37,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937352927] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:18:37,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:18:37,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:18:37,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877819880] [2021-12-14 18:18:37,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:18:37,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:18:37,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:18:37,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:18:37,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:18:37,475 INFO L87 Difference]: Start difference. First operand 3928 states and 5645 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-14 18:18:55,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:18:55,523 INFO L93 Difference]: Finished difference Result 20707 states and 30021 transitions. [2021-12-14 18:18:55,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-14 18:18:55,524 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 330 [2021-12-14 18:18:55,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:18:55,593 INFO L225 Difference]: With dead ends: 20707 [2021-12-14 18:18:55,594 INFO L226 Difference]: Without dead ends: 16819 [2021-12-14 18:18:55,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2021-12-14 18:18:55,610 INFO L933 BasicCegarLoop]: 3580 mSDtfsCounter, 13054 mSDsluCounter, 9408 mSDsCounter, 0 mSdLazyCounter, 15734 mSolverCounterSat, 11173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14035 SdHoareTripleChecker+Valid, 12988 SdHoareTripleChecker+Invalid, 26907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11173 IncrementalHoareTripleChecker+Valid, 15734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:18:55,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14035 Valid, 12988 Invalid, 26907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11173 Valid, 15734 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2021-12-14 18:18:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16819 states. [2021-12-14 18:18:56,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16819 to 15169. [2021-12-14 18:18:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15169 states, 9851 states have (on average 1.3037255101004974) internal successors, (12843), 10025 states have internal predecessors, (12843), 4442 states have call successors, (4442), 872 states have call predecessors, (4442), 875 states have return successors, (4485), 4417 states have call predecessors, (4485), 4441 states have call successors, (4485) [2021-12-14 18:18:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15169 states to 15169 states and 21770 transitions. [2021-12-14 18:18:56,163 INFO L78 Accepts]: Start accepts. Automaton has 15169 states and 21770 transitions. Word has length 330 [2021-12-14 18:18:56,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:18:56,165 INFO L470 AbstractCegarLoop]: Abstraction has 15169 states and 21770 transitions. [2021-12-14 18:18:56,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-14 18:18:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 15169 states and 21770 transitions. [2021-12-14 18:18:56,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-12-14 18:18:56,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:18:56,174 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:18:56,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:18:56,174 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:18:56,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:18:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash -136346975, now seen corresponding path program 1 times [2021-12-14 18:18:56,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:18:56,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511966130] [2021-12-14 18:18:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:18:56,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:18:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:18:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:18:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:18:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:18:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:18:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:18:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:18:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:18:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:18:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:18:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:18:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:18:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:18:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:18:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:18:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:18:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-14 18:18:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-14 18:18:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 18:18:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-14 18:18:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-14 18:18:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-14 18:18:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:18:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:18:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-14 18:18:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:18:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1997 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1997 trivial. 0 not checked. [2021-12-14 18:18:56,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:18:56,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511966130] [2021-12-14 18:18:56,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511966130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:18:56,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:18:56,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:18:56,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566924747] [2021-12-14 18:18:56,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:18:56,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:18:56,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:18:56,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:18:56,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:18:56,791 INFO L87 Difference]: Start difference. First operand 15169 states and 21770 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-14 18:19:00,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:19:00,841 INFO L93 Difference]: Finished difference Result 21112 states and 30139 transitions. [2021-12-14 18:19:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:19:00,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 369 [2021-12-14 18:19:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:19:00,947 INFO L225 Difference]: With dead ends: 21112 [2021-12-14 18:19:00,947 INFO L226 Difference]: Without dead ends: 21109 [2021-12-14 18:19:00,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:19:00,969 INFO L933 BasicCegarLoop]: 3080 mSDtfsCounter, 3481 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 3001 mSolverCounterSat, 2772 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3731 SdHoareTripleChecker+Valid, 5989 SdHoareTripleChecker+Invalid, 5773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2772 IncrementalHoareTripleChecker+Valid, 3001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:19:00,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3731 Valid, 5989 Invalid, 5773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2772 Valid, 3001 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-14 18:19:00,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21109 states. [2021-12-14 18:19:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21109 to 18897. [2021-12-14 18:19:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18897 states, 12138 states have (on average 1.2828307793705718) internal successors, (15571), 12336 states have internal predecessors, (15571), 5530 states have call successors, (5530), 1225 states have call predecessors, (5530), 1228 states have return successors, (5573), 5505 states have call predecessors, (5573), 5529 states have call successors, (5573) [2021-12-14 18:19:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18897 states to 18897 states and 26674 transitions. [2021-12-14 18:19:01,641 INFO L78 Accepts]: Start accepts. Automaton has 18897 states and 26674 transitions. Word has length 369 [2021-12-14 18:19:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:19:01,645 INFO L470 AbstractCegarLoop]: Abstraction has 18897 states and 26674 transitions. [2021-12-14 18:19:01,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-14 18:19:01,645 INFO L276 IsEmpty]: Start isEmpty. Operand 18897 states and 26674 transitions. [2021-12-14 18:19:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-12-14 18:19:01,654 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:19:01,655 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:19:01,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:19:01,655 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:19:01,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:19:01,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1754384795, now seen corresponding path program 1 times [2021-12-14 18:19:01,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:19:01,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394241836] [2021-12-14 18:19:01,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:19:01,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:19:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:19:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:19:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:19:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:19:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:19:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:19:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:19:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:19:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:19:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:19:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:19:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:19:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:19:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:19:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:19:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:19:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-14 18:19:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-14 18:19:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-14 18:19:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 18:19:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-14 18:19:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-14 18:19:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:19:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 18:19:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-14 18:19:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-14 18:19:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-14 18:19:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-14 18:19:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2021-12-14 18:19:02,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:19:02,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394241836] [2021-12-14 18:19:02,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394241836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:19:02,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:19:02,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:19:02,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709752450] [2021-12-14 18:19:02,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:19:02,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:19:02,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:19:02,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:19:02,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:19:02,181 INFO L87 Difference]: Start difference. First operand 18897 states and 26674 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-14 18:19:08,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:19:08,862 INFO L93 Difference]: Finished difference Result 54777 states and 77673 transitions. [2021-12-14 18:19:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 18:19:08,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 367 [2021-12-14 18:19:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:19:09,031 INFO L225 Difference]: With dead ends: 54777 [2021-12-14 18:19:09,032 INFO L226 Difference]: Without dead ends: 35924 [2021-12-14 18:19:09,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-14 18:19:09,131 INFO L933 BasicCegarLoop]: 2990 mSDtfsCounter, 7094 mSDsluCounter, 3677 mSDsCounter, 0 mSdLazyCounter, 4024 mSolverCounterSat, 7352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7444 SdHoareTripleChecker+Valid, 6667 SdHoareTripleChecker+Invalid, 11376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7352 IncrementalHoareTripleChecker+Valid, 4024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:19:09,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7444 Valid, 6667 Invalid, 11376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7352 Valid, 4024 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-14 18:19:09,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35924 states. [2021-12-14 18:19:10,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35924 to 32505. [2021-12-14 18:19:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32505 states, 20814 states have (on average 1.2805323340059576) internal successors, (26653), 21188 states have internal predecessors, (26653), 9530 states have call successors, (9530), 2161 states have call predecessors, (9530), 2160 states have return successors, (9613), 9431 states have call predecessors, (9613), 9529 states have call successors, (9613) [2021-12-14 18:19:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32505 states to 32505 states and 45796 transitions. [2021-12-14 18:19:10,385 INFO L78 Accepts]: Start accepts. Automaton has 32505 states and 45796 transitions. Word has length 367 [2021-12-14 18:19:10,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:19:10,385 INFO L470 AbstractCegarLoop]: Abstraction has 32505 states and 45796 transitions. [2021-12-14 18:19:10,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-14 18:19:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32505 states and 45796 transitions. [2021-12-14 18:19:10,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2021-12-14 18:19:10,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:19:10,411 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:19:10,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:19:10,412 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:19:10,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:19:10,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1220836448, now seen corresponding path program 1 times [2021-12-14 18:19:10,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:19:10,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278052834] [2021-12-14 18:19:10,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:19:10,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:19:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:19:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:19:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:19:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:19:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:19:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:19:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:19:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:19:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:19:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:19:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:19:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:19:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:19:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:19:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:19:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:19:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:10,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-14 18:19:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-14 18:19:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:19:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-14 18:19:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 18:19:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:19:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 18:19:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 18:19:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-14 18:19:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-14 18:19:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-14 18:19:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:19:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-14 18:19:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 18:19:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 18:19:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 18:19:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 18:19:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-14 18:19:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 18:19:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:19:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 18:19:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-14 18:19:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:19:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-14 18:19:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-14 18:19:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-14 18:19:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 18:19:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-14 18:19:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 18:19:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-14 18:19:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-14 18:19:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:19:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-14 18:19:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-12-14 18:19:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-14 18:19:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-14 18:19:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-14 18:19:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-12-14 18:19:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:19:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-14 18:19:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-12-14 18:19:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2021-12-14 18:19:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:19:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2021-12-14 18:19:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2021-12-14 18:19:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:19:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2021-12-14 18:19:11,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:19:11,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278052834] [2021-12-14 18:19:11,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278052834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:19:11,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:19:11,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 18:19:11,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214443400] [2021-12-14 18:19:11,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:19:11,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 18:19:11,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:19:11,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 18:19:11,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:19:11,452 INFO L87 Difference]: Start difference. First operand 32505 states and 45796 transitions. Second operand has 9 states, 9 states have (on average 26.11111111111111) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (78), 8 states have call predecessors, (78), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-12-14 18:19:19,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:19:19,681 INFO L93 Difference]: Finished difference Result 91768 states and 129928 transitions. [2021-12-14 18:19:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 18:19:19,700 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 26.11111111111111) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (78), 8 states have call predecessors, (78), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 668 [2021-12-14 18:19:19,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:19:20,026 INFO L225 Difference]: With dead ends: 91768 [2021-12-14 18:19:20,026 INFO L226 Difference]: Without dead ends: 59307 [2021-12-14 18:19:20,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-14 18:19:20,144 INFO L933 BasicCegarLoop]: 4386 mSDtfsCounter, 5860 mSDsluCounter, 6146 mSDsCounter, 0 mSdLazyCounter, 5861 mSolverCounterSat, 6285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6176 SdHoareTripleChecker+Valid, 10532 SdHoareTripleChecker+Invalid, 12146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6285 IncrementalHoareTripleChecker+Valid, 5861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:19:20,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6176 Valid, 10532 Invalid, 12146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6285 Valid, 5861 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-14 18:19:20,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59307 states.