./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.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 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:18:00,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:18:00,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:18:00,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:18:00,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:18:00,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:18:00,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:18:00,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:18:00,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:18:00,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:18:00,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:18:00,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:18:00,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:18:00,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:18:00,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:18:00,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:18:00,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:18:00,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:18:00,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:18:00,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:18:00,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:18:00,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:18:00,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:18:00,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:18:00,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:18:00,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:18:00,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:18:00,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:18:00,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:18:00,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:18:00,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:18:00,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:18:00,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:18:00,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:18:00,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:18:00,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:18:00,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:18:00,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:18:00,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:18:00,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:18:00,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:18:00,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:18:00,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:18:00,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:18:00,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:18:00,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:18:00,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:18:00,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:18:00,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:18:00,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:18:00,817 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:18:00,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:18:00,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:18:00,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:18:00,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:18:00,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:18:00,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:18:00,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:18:00,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:18:00,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:18:00,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:18:00,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:18:00,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:18:00,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:18:00,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:18:00,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:18:00,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:18:00,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:18:00,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:18:00,820 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:18:00,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:18:00,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:18:00,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:18:00,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad [2021-12-16 04:18:01,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:18:01,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:18:01,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:18:01,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:18:01,037 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:18:01,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2021-12-16 04:18:01,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8158384f/09cb6f9ada95482296fd26a5a938caee/FLAG8356af8f2 [2021-12-16 04:18:01,695 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:18:01,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2021-12-16 04:18:01,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8158384f/09cb6f9ada95482296fd26a5a938caee/FLAG8356af8f2 [2021-12-16 04:18:01,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8158384f/09cb6f9ada95482296fd26a5a938caee [2021-12-16 04:18:01,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:18:01,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:18:01,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:18:01,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:18:01,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:18:01,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:18:01" (1/1) ... [2021-12-16 04:18:01,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f6f37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:01, skipping insertion in model container [2021-12-16 04:18:01,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:18:01" (1/1) ... [2021-12-16 04:18:01,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:18:01,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:18:04,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i[348806,348819] [2021-12-16 04:18:04,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:18:04,442 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:18:04,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i[348806,348819] [2021-12-16 04:18:04,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:18:04,943 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:18:04,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04 WrapperNode [2021-12-16 04:18:04,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:18:04,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:18:04,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:18:04,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:18:04,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,237 INFO L137 Inliner]: procedures = 566, calls = 3591, calls flagged for inlining = 221, calls inlined = 180, statements flattened = 6315 [2021-12-16 04:18:05,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:18:05,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:18:05,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:18:05,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:18:05,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:18:05,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:18:05,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:18:05,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:18:05,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (1/1) ... [2021-12-16 04:18:05,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:18:05,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:18:05,562 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) [2021-12-16 04:18:05,579 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 [2021-12-16 04:18:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 04:18:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 04:18:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-16 04:18:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-16 04:18:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 04:18:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 04:18:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-16 04:18:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-16 04:18:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:18:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2021-12-16 04:18:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2021-12-16 04:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2021-12-16 04:18:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2021-12-16 04:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-16 04:18:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-16 04:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2021-12-16 04:18:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2021-12-16 04:18:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:18:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:18:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2021-12-16 04:18:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2021-12-16 04:18:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-16 04:18:05,596 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-16 04:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2021-12-16 04:18:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2021-12-16 04:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2021-12-16 04:18:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2021-12-16 04:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2021-12-16 04:18:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2021-12-16 04:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-16 04:18:05,597 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-16 04:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:18:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-12-16 04:18:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-12-16 04:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2021-12-16 04:18:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2021-12-16 04:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-16 04:18:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-16 04:18:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2021-12-16 04:18:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2021-12-16 04:18:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2021-12-16 04:18:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2021-12-16 04:18:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:18:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:18:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-16 04:18:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-16 04:18:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2021-12-16 04:18:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2021-12-16 04:18:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 04:18:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 04:18:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-16 04:18:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-16 04:18:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:18:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:18:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2021-12-16 04:18:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2021-12-16 04:18:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:18:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-16 04:18:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-16 04:18:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2021-12-16 04:18:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2021-12-16 04:18:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-16 04:18:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-16 04:18:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-16 04:18:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-16 04:18:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 04:18:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 04:18:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2021-12-16 04:18:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2021-12-16 04:18:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2021-12-16 04:18:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2021-12-16 04:18:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:18:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:18:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2021-12-16 04:18:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2021-12-16 04:18:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-16 04:18:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-16 04:18:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:18:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:18:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:18:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:18:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:18:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:18:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:18:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2021-12-16 04:18:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2021-12-16 04:18:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2021-12-16 04:18:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2021-12-16 04:18:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2021-12-16 04:18:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2021-12-16 04:18:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-16 04:18:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-16 04:18:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-16 04:18:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-16 04:18:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:18:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:18:05,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 04:18:05,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 04:18:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2021-12-16 04:18:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2021-12-16 04:18:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure card_event_handler [2021-12-16 04:18:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure card_event_handler [2021-12-16 04:18:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 04:18:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 04:18:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 04:18:05,611 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 04:18:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:18:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:18:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-16 04:18:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-16 04:18:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2021-12-16 04:18:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2021-12-16 04:18:05,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:18:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-12-16 04:18:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-12-16 04:18:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-16 04:18:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-16 04:18:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:18:05,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:18:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:18:05,616 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-12-16 04:18:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-12-16 04:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:18:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:18:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-16 04:18:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-16 04:18:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2021-12-16 04:18:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2021-12-16 04:18:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-16 04:18:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-16 04:18:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2021-12-16 04:18:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2021-12-16 04:18:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-16 04:18:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-16 04:18:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:18:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:18:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 04:18:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 04:18:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:18:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:18:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2021-12-16 04:18:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2021-12-16 04:18:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2021-12-16 04:18:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2021-12-16 04:18:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2021-12-16 04:18:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2021-12-16 04:18:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-16 04:18:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-16 04:18:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:18:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-16 04:18:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-16 04:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 04:18:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 04:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:18:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:18:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2021-12-16 04:18:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2021-12-16 04:18:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2021-12-16 04:18:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2021-12-16 04:18:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-16 04:18:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-16 04:18:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-16 04:18:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-16 04:18:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-16 04:18:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-16 04:18:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-16 04:18:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-16 04:18:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-16 04:18:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-16 04:18:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-16 04:18:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-16 04:18:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_9 [2021-12-16 04:18:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_9 [2021-12-16 04:18:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:18:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:18:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:18:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:18:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-16 04:18:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-16 04:18:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2021-12-16 04:18:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2021-12-16 04:18:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:18:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:18:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:18:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:18:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:18:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:18:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-16 04:18:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-16 04:18:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-16 04:18:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-16 04:18:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2021-12-16 04:18:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2021-12-16 04:18:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2021-12-16 04:18:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2021-12-16 04:18:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-16 04:18:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-16 04:18:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:18:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:18:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:18:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-16 04:18:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-16 04:18:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:18:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2021-12-16 04:18:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2021-12-16 04:18:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-16 04:18:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-16 04:18:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:18:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2021-12-16 04:18:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2021-12-16 04:18:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-16 04:18:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-16 04:18:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-16 04:18:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-16 04:18:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:18:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:18:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:18:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:18:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:18:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:18:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2021-12-16 04:18:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2021-12-16 04:18:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:18:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:18:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:18:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:18:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 04:18:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 04:18:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-16 04:18:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-16 04:18:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_6 [2021-12-16 04:18:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_6 [2021-12-16 04:18:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-16 04:18:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-16 04:18:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2021-12-16 04:18:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2021-12-16 04:18:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2021-12-16 04:18:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2021-12-16 04:18:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2021-12-16 04:18:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2021-12-16 04:18:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-16 04:18:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-16 04:18:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2021-12-16 04:18:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2021-12-16 04:18:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:18:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:18:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-16 04:18:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-16 04:18:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:18:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-16 04:18:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-16 04:18:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-16 04:18:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-16 04:18:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2021-12-16 04:18:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2021-12-16 04:18:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-16 04:18:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-16 04:18:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:18:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:18:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-16 04:18:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-16 04:18:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2021-12-16 04:18:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2021-12-16 04:18:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:18:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:18:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 04:18:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 04:18:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_done [2021-12-16 04:18:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_done [2021-12-16 04:18:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-16 04:18:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-16 04:18:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-16 04:18:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-16 04:18:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2021-12-16 04:18:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2021-12-16 04:18:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-16 04:18:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-16 04:18:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2021-12-16 04:18:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2021-12-16 04:18:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-12-16 04:18:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-12-16 04:18:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-16 04:18:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-16 04:18:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2021-12-16 04:18:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2021-12-16 04:18:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-16 04:18:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-16 04:18:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-16 04:18:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-16 04:18:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:18:05,645 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:18:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-16 04:18:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-16 04:18:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:18:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:18:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-16 04:18:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-16 04:18:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2021-12-16 04:18:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2021-12-16 04:18:05,646 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2021-12-16 04:18:05,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2021-12-16 04:18:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:18:05,647 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-16 04:18:05,647 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-16 04:18:06,387 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:18:06,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:18:06,479 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:18:12,751 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:18:12,769 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:18:12,769 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:18:12,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:18:12 BoogieIcfgContainer [2021-12-16 04:18:12,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:18:12,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:18:12,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:18:12,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:18:12,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:18:01" (1/3) ... [2021-12-16 04:18:12,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7942fe4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:18:12, skipping insertion in model container [2021-12-16 04:18:12,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:18:04" (2/3) ... [2021-12-16 04:18:12,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7942fe4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:18:12, skipping insertion in model container [2021-12-16 04:18:12,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:18:12" (3/3) ... [2021-12-16 04:18:12,782 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2021-12-16 04:18:12,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:18:12,786 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:18:12,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:18:12,833 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 [2021-12-16 04:18:12,833 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:18:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 2234 states, 1535 states have (on average 1.3179153094462541) internal successors, (2023), 1583 states have internal predecessors, (2023), 551 states have call successors, (551), 147 states have call predecessors, (551), 146 states have return successors, (540), 538 states have call predecessors, (540), 540 states have call successors, (540) [2021-12-16 04:18:12,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-16 04:18:12,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:18:12,889 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:18:12,890 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:18:12,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:18:12,893 INFO L85 PathProgramCache]: Analyzing trace with hash 638574124, now seen corresponding path program 1 times [2021-12-16 04:18:12,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:18:12,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310564806] [2021-12-16 04:18:12,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:18:12,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:18:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:18:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:18:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:18:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:18:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:18:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:18:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:18:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:18:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:18:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:18:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:18:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:18:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:18:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:18:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:18:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:18:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:18:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 04:18:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 04:18:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-16 04:18:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-16 04:18:13,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:18:13,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310564806] [2021-12-16 04:18:13,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310564806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:18:13,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:18:13,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:18:13,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873270952] [2021-12-16 04:18:13,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:18:13,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:18:13,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:18:13,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:18:13,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:18:13,862 INFO L87 Difference]: Start difference. First operand has 2234 states, 1535 states have (on average 1.3179153094462541) internal successors, (2023), 1583 states have internal predecessors, (2023), 551 states have call successors, (551), 147 states have call predecessors, (551), 146 states have return successors, (540), 538 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-16 04:18:16,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:18:18,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:18:23,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:18:23,263 INFO L93 Difference]: Finished difference Result 4764 states and 6922 transitions. [2021-12-16 04:18:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:18:23,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 291 [2021-12-16 04:18:23,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:18:23,302 INFO L225 Difference]: With dead ends: 4764 [2021-12-16 04:18:23,302 INFO L226 Difference]: Without dead ends: 2515 [2021-12-16 04:18:23,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:18:23,320 INFO L933 BasicCegarLoop]: 2999 mSDtfsCounter, 1391 mSDsluCounter, 2621 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 1473 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 5620 SdHoareTripleChecker+Invalid, 3327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1473 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:18:23,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1413 Valid, 5620 Invalid, 3327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1473 Valid, 1852 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2021-12-16 04:18:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2021-12-16 04:18:23,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2214. [2021-12-16 04:18:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 1528 states have (on average 1.3089005235602094) internal successors, (2000), 1563 states have internal predecessors, (2000), 540 states have call successors, (540), 146 states have call predecessors, (540), 145 states have return successors, (530), 528 states have call predecessors, (530), 530 states have call successors, (530) [2021-12-16 04:18:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3070 transitions. [2021-12-16 04:18:23,477 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3070 transitions. Word has length 291 [2021-12-16 04:18:23,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:18:23,478 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 3070 transitions. [2021-12-16 04:18:23,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-16 04:18:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3070 transitions. [2021-12-16 04:18:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-16 04:18:23,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:18:23,482 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:18:23,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:18:23,483 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:18:23,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:18:23,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1382787271, now seen corresponding path program 1 times [2021-12-16 04:18:23,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:18:23,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582958416] [2021-12-16 04:18:23,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:18:23,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:18:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:18:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:18:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:18:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:18:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:18:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:18:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:18:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:18:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:18:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:18:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:18:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:18:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:18:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:18:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:18:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:18:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:18:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 04:18:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 04:18:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:18:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-16 04:18:24,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:18:24,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582958416] [2021-12-16 04:18:24,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582958416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:18:24,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:18:24,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:18:24,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091320632] [2021-12-16 04:18:24,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:18:24,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:18:24,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:18:24,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:18:24,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:18:24,052 INFO L87 Difference]: Start difference. First operand 2214 states and 3070 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-16 04:18:26,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:18:29,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:18:34,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:18:34,075 INFO L93 Difference]: Finished difference Result 6158 states and 8659 transitions. [2021-12-16 04:18:34,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:18:34,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 292 [2021-12-16 04:18:34,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:18:34,101 INFO L225 Difference]: With dead ends: 6158 [2021-12-16 04:18:34,101 INFO L226 Difference]: Without dead ends: 3991 [2021-12-16 04:18:34,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:18:34,114 INFO L933 BasicCegarLoop]: 3181 mSDtfsCounter, 4976 mSDsluCounter, 3885 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 3462 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5180 SdHoareTripleChecker+Valid, 7066 SdHoareTripleChecker+Invalid, 5514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3462 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-12-16 04:18:34,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5180 Valid, 7066 Invalid, 5514 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3462 Valid, 2050 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2021-12-16 04:18:34,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3991 states. [2021-12-16 04:18:34,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3991 to 3491. [2021-12-16 04:18:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3491 states, 2435 states have (on average 1.31088295687885) internal successors, (3192), 2480 states have internal predecessors, (3192), 805 states have call successors, (805), 251 states have call predecessors, (805), 250 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-16 04:18:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4792 transitions. [2021-12-16 04:18:34,276 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4792 transitions. Word has length 292 [2021-12-16 04:18:34,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:18:34,278 INFO L470 AbstractCegarLoop]: Abstraction has 3491 states and 4792 transitions. [2021-12-16 04:18:34,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-16 04:18:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4792 transitions. [2021-12-16 04:18:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-12-16 04:18:34,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:18:34,284 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:18:34,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:18:34,286 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:18:34,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:18:34,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1431688040, now seen corresponding path program 1 times [2021-12-16 04:18:34,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:18:34,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685919730] [2021-12-16 04:18:34,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:18:34,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:18:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:18:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:18:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:18:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:18:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:18:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:18:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:18:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:18:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:18:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:18:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:18:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:18:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:18:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:18:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:18:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:18:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:18:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 04:18:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 04:18:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 04:18:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-16 04:18:34,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:18:34,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685919730] [2021-12-16 04:18:34,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685919730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:18:34,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:18:34,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:18:34,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111790627] [2021-12-16 04:18:34,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:18:34,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:18:34,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:18:34,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:18:34,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:18:34,829 INFO L87 Difference]: Start difference. First operand 3491 states and 4792 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-16 04:18:37,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:18:41,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:18:41,812 INFO L93 Difference]: Finished difference Result 4313 states and 6246 transitions. [2021-12-16 04:18:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:18:41,813 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 299 [2021-12-16 04:18:41,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:18:41,834 INFO L225 Difference]: With dead ends: 4313 [2021-12-16 04:18:41,834 INFO L226 Difference]: Without dead ends: 4309 [2021-12-16 04:18:41,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-16 04:18:41,841 INFO L933 BasicCegarLoop]: 2923 mSDtfsCounter, 5543 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 3709 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5946 SdHoareTripleChecker+Valid, 5661 SdHoareTripleChecker+Invalid, 5556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3709 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-16 04:18:41,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5946 Valid, 5661 Invalid, 5556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3709 Valid, 1846 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2021-12-16 04:18:41,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2021-12-16 04:18:41,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 3492. [2021-12-16 04:18:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3492 states, 2437 states have (on average 1.3098071399261386) internal successors, (3192), 2480 states have internal predecessors, (3192), 803 states have call successors, (803), 252 states have call predecessors, (803), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-16 04:18:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 4790 transitions. [2021-12-16 04:18:41,948 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 4790 transitions. Word has length 299 [2021-12-16 04:18:41,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:18:41,949 INFO L470 AbstractCegarLoop]: Abstraction has 3492 states and 4790 transitions. [2021-12-16 04:18:41,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-16 04:18:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 4790 transitions. [2021-12-16 04:18:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-16 04:18:41,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:18:41,953 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:18:41,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:18:41,953 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:18:41,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:18:41,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1433506857, now seen corresponding path program 1 times [2021-12-16 04:18:41,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:18:41,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705745450] [2021-12-16 04:18:41,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:18:41,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:18:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:18:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:18:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:18:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:18:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:18:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:18:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:18:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:18:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:18:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:18:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:18:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:18:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:18:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:18:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:18:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:18:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:18:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 04:18:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 04:18:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 04:18:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-16 04:18:42,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:18:42,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705745450] [2021-12-16 04:18:42,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705745450] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:18:42,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:18:42,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:18:42,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116004229] [2021-12-16 04:18:42,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:18:42,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:18:42,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:18:42,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:18:42,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:18:42,492 INFO L87 Difference]: Start difference. First operand 3492 states and 4790 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-16 04:18:44,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:18:50,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:18:50,281 INFO L93 Difference]: Finished difference Result 4309 states and 6241 transitions. [2021-12-16 04:18:50,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 04:18:50,281 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 300 [2021-12-16 04:18:50,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:18:50,302 INFO L225 Difference]: With dead ends: 4309 [2021-12-16 04:18:50,303 INFO L226 Difference]: Without dead ends: 4306 [2021-12-16 04:18:50,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:18:50,307 INFO L933 BasicCegarLoop]: 2932 mSDtfsCounter, 5581 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 3757 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5985 SdHoareTripleChecker+Valid, 5630 SdHoareTripleChecker+Invalid, 5586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3757 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:18:50,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5985 Valid, 5630 Invalid, 5586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3757 Valid, 1828 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-12-16 04:18:50,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2021-12-16 04:18:50,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 3491. [2021-12-16 04:18:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3491 states, 2437 states have (on average 1.309396799343455) internal successors, (3191), 2479 states have internal predecessors, (3191), 802 states have call successors, (802), 252 states have call predecessors, (802), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-16 04:18:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4788 transitions. [2021-12-16 04:18:50,446 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4788 transitions. Word has length 300 [2021-12-16 04:18:50,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:18:50,460 INFO L470 AbstractCegarLoop]: Abstraction has 3491 states and 4788 transitions. [2021-12-16 04:18:50,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-16 04:18:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4788 transitions. [2021-12-16 04:18:50,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-16 04:18:50,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:18:50,463 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:18:50,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:18:50,463 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:18:50,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:18:50,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1489885317, now seen corresponding path program 1 times [2021-12-16 04:18:50,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:18:50,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085455383] [2021-12-16 04:18:50,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:18:50,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:18:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:18:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:18:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:18:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:18:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:18:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:18:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:18:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:18:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:18:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:18:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:18:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:18:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:18:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:18:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:18:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:18:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:18:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 04:18:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 04:18:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 04:18:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-16 04:18:50,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:18:50,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085455383] [2021-12-16 04:18:50,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085455383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:18:50,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:18:50,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:18:50,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180267197] [2021-12-16 04:18:50,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:18:50,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:18:50,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:18:50,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:18:50,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:18:50,989 INFO L87 Difference]: Start difference. First operand 3491 states and 4788 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-16 04:18:53,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:18:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:18:58,183 INFO L93 Difference]: Finished difference Result 4308 states and 6239 transitions. [2021-12-16 04:18:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 04:18:58,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 301 [2021-12-16 04:18:58,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:18:58,203 INFO L225 Difference]: With dead ends: 4308 [2021-12-16 04:18:58,204 INFO L226 Difference]: Without dead ends: 4305 [2021-12-16 04:18:58,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:18:58,208 INFO L933 BasicCegarLoop]: 2919 mSDtfsCounter, 5578 mSDsluCounter, 2695 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 3746 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5987 SdHoareTripleChecker+Valid, 5614 SdHoareTripleChecker+Invalid, 5578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3746 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:18:58,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5987 Valid, 5614 Invalid, 5578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3746 Valid, 1831 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2021-12-16 04:18:58,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4305 states. [2021-12-16 04:18:58,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4305 to 3490. [2021-12-16 04:18:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2437 states have (on average 1.3089864587607714) internal successors, (3190), 2478 states have internal predecessors, (3190), 801 states have call successors, (801), 252 states have call predecessors, (801), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-16 04:18:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 4786 transitions. [2021-12-16 04:18:58,321 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 4786 transitions. Word has length 301 [2021-12-16 04:18:58,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:18:58,321 INFO L470 AbstractCegarLoop]: Abstraction has 3490 states and 4786 transitions. [2021-12-16 04:18:58,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-16 04:18:58,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 4786 transitions. [2021-12-16 04:18:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-16 04:18:58,325 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:18:58,325 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:18:58,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:18:58,325 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:18:58,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:18:58,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1057354586, now seen corresponding path program 1 times [2021-12-16 04:18:58,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:18:58,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060790247] [2021-12-16 04:18:58,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:18:58,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:18:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:18:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:18:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:18:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:18:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:18:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:18:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:18:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:18:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:18:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:18:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:18:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:18:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:18:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:18:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:18:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:18:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:18:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:18:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-16 04:18:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-16 04:18:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-16 04:18:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:18:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:18:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-16 04:18:58,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:18:58,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060790247] [2021-12-16 04:18:58,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060790247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:18:58,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:18:58,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:18:58,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404626467] [2021-12-16 04:18:58,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:18:58,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:18:58,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:18:58,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:18:58,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:18:58,844 INFO L87 Difference]: Start difference. First operand 3490 states and 4786 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)