./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:03:51,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:03:51,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:03:51,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:03:51,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:03:51,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:03:51,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:03:51,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:03:51,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:03:51,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:03:51,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:03:51,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:03:51,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:03:51,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:03:51,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:03:51,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:03:51,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:03:51,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:03:51,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:03:51,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:03:51,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:03:51,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:03:51,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:03:51,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:03:51,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:03:51,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:03:51,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:03:51,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:03:51,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:03:51,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:03:51,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:03:51,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:03:51,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:03:51,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:03:51,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:03:51,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:03:51,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:03:51,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:03:51,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:03:51,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:03:51,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:03:51,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:03:51,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:03:51,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:03:51,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:03:51,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:03:51,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:03:51,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:03:51,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:03:51,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:03:51,661 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:03:51,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:03:51,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:03:51,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:03:51,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:03:51,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:03:51,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:03:51,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:03:51,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:03:51,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:03:51,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:03:51,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:03:51,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:03:51,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:03:51,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:03:51,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:03:51,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:03:51,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:03:51,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:03:51,665 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:03:51,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:03:51,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:03:51,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:03:51,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad [2021-12-14 18:03:51,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:03:51,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:03:51,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:03:51,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:03:51,845 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:03:51,846 INFO L432 ainManager$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 [2021-12-14 18:03:51,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c32ec1b/30aa0a92d9904392b7ef40523979d6cb/FLAGe750b695d [2021-12-14 18:03:52,496 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:03:52,497 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 [2021-12-14 18:03:52,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c32ec1b/30aa0a92d9904392b7ef40523979d6cb/FLAGe750b695d [2021-12-14 18:03:52,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c32ec1b/30aa0a92d9904392b7ef40523979d6cb [2021-12-14 18:03:52,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:03:52,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:03:52,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:03:52,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:03:52,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:03:52,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:03:52" (1/1) ... [2021-12-14 18:03:52,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ba2a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:52, skipping insertion in model container [2021-12-14 18:03:52,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:03:52" (1/1) ... [2021-12-14 18:03:52,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:03:52,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:03:55,089 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] [2021-12-14 18:03:55,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:03:55,349 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:03:55,798 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] [2021-12-14 18:03:55,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:03:55,927 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:03:55,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55 WrapperNode [2021-12-14 18:03:55,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:03:55,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:03:55,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:03:55,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:03:55,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,216 INFO L137 Inliner]: procedures = 566, calls = 3591, calls flagged for inlining = 221, calls inlined = 180, statements flattened = 6315 [2021-12-14 18:03:56,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:03:56,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:03:56,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:03:56,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:03:56,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:03:56,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:03:56,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:03:56,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:03:56,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (1/1) ... [2021-12-14 18:03:56,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:03:56,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:03:56,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:03:56,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:03:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:03:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:03:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-14 18:03:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-14 18:03:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:03:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:03:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-14 18:03:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-14 18:03:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:03:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:03:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2021-12-14 18:03:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2021-12-14 18:03:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2021-12-14 18:03:56,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2021-12-14 18:03:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-14 18:03:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-14 18:03:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2021-12-14 18:03:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2021-12-14 18:03:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:03:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:03:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2021-12-14 18:03:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2021-12-14 18:03:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:03:56,481 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:03:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2021-12-14 18:03:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2021-12-14 18:03:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2021-12-14 18:03:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2021-12-14 18:03:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2021-12-14 18:03:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2021-12-14 18:03:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-14 18:03:56,482 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-14 18:03:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:03:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:03:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-12-14 18:03:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-12-14 18:03:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2021-12-14 18:03:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2021-12-14 18:03:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:03:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:03:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2021-12-14 18:03:56,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2021-12-14 18:03:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2021-12-14 18:03:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2021-12-14 18:03:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:03:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:03:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-14 18:03:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-14 18:03:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2021-12-14 18:03:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2021-12-14 18:03:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:03:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:03:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:03:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:03:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:03:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:03:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2021-12-14 18:03:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2021-12-14 18:03:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:03:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-14 18:03:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-14 18:03:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2021-12-14 18:03:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2021-12-14 18:03:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:03:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:03:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-14 18:03:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-14 18:03:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:03:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:03:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2021-12-14 18:03:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2021-12-14 18:03:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2021-12-14 18:03:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2021-12-14 18:03:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:03:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:03:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2021-12-14 18:03:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2021-12-14 18:03:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-14 18:03:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-14 18:03:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:03:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:03:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:03:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:03:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:03:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:03:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:03:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2021-12-14 18:03:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2021-12-14 18:03:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2021-12-14 18:03:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2021-12-14 18:03:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2021-12-14 18:03:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2021-12-14 18:03:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-14 18:03:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-14 18:03:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 18:03:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 18:03:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:03:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:03:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:03:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:03:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2021-12-14 18:03:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2021-12-14 18:03:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure card_event_handler [2021-12-14 18:03:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure card_event_handler [2021-12-14 18:03:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:03:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:03:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 18:03:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 18:03:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:03:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:03:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-14 18:03:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-14 18:03:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2021-12-14 18:03:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2021-12-14 18:03:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:03:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-12-14 18:03:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-12-14 18:03:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-14 18:03:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-14 18:03:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:03:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:03:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-12-14 18:03:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-12-14 18:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:03:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-14 18:03:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-14 18:03:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2021-12-14 18:03:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2021-12-14 18:03:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 18:03:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 18:03:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2021-12-14 18:03:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2021-12-14 18:03:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-14 18:03:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-14 18:03:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:03:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:03:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:03:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:03:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:03:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:03:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2021-12-14 18:03:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2021-12-14 18:03:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2021-12-14 18:03:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2021-12-14 18:03:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2021-12-14 18:03:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2021-12-14 18:03:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-14 18:03:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-14 18:03:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:03:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:03:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-14 18:03:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-14 18:03:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:03:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:03:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:03:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:03:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:03:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:03:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2021-12-14 18:03:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2021-12-14 18:03:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2021-12-14 18:03:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2021-12-14 18:03:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-14 18:03:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-14 18:03:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-14 18:03:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-14 18:03:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-14 18:03:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-14 18:03:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-14 18:03:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-14 18:03:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-14 18:03:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-14 18:03:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-14 18:03:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-14 18:03:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_9 [2021-12-14 18:03:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_9 [2021-12-14 18:03:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:03:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:03:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:03:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:03:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-14 18:03:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-14 18:03:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2021-12-14 18:03:56,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2021-12-14 18:03:56,499 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:03:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:03:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:03:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:03:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:03:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:03:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-14 18:03:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-14 18:03:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 18:03:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 18:03:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2021-12-14 18:03:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2021-12-14 18:03:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2021-12-14 18:03:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2021-12-14 18:03:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 18:03:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 18:03:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:03:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:03:56,501 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:03:56,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 18:03:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 18:03:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:03:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2021-12-14 18:03:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2021-12-14 18:03:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-14 18:03:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-14 18:03:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:03:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2021-12-14 18:03:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2021-12-14 18:03:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-14 18:03:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-14 18:03:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:03:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:03:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:03:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:03:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:03:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:03:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:03:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:03:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2021-12-14 18:03:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2021-12-14 18:03:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:03:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:03:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:03:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:03:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:03:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:03:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-14 18:03:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-14 18:03:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_6 [2021-12-14 18:03:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_6 [2021-12-14 18:03:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-14 18:03:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-14 18:03:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2021-12-14 18:03:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2021-12-14 18:03:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2021-12-14 18:03:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2021-12-14 18:03:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2021-12-14 18:03:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2021-12-14 18:03:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-14 18:03:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-14 18:03:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2021-12-14 18:03:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2021-12-14 18:03:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:03:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:03:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-14 18:03:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-14 18:03:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:03:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-14 18:03:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-14 18:03:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-14 18:03:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-14 18:03:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2021-12-14 18:03:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2021-12-14 18:03:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 18:03:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 18:03:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:03:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:03:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-14 18:03:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-14 18:03:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2021-12-14 18:03:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2021-12-14 18:03:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:03:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:03:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 18:03:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 18:03:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_done [2021-12-14 18:03:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_done [2021-12-14 18:03:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:03:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:03:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 18:03:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 18:03:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2021-12-14 18:03:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2021-12-14 18:03:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-14 18:03:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-14 18:03:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2021-12-14 18:03:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2021-12-14 18:03:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-12-14 18:03:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-12-14 18:03:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-14 18:03:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-14 18:03:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2021-12-14 18:03:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2021-12-14 18:03:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-14 18:03:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-14 18:03:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:03:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:03:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:03:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:03:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-14 18:03:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-14 18:03:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:03:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:03:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 18:03:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 18:03:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2021-12-14 18:03:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2021-12-14 18:03:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2021-12-14 18:03:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2021-12-14 18:03:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:03:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-14 18:03:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-14 18:03:57,245 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:03:57,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:03:57,323 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:04:04,079 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:04:04,101 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:04:04,101 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:04:04,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:04 BoogieIcfgContainer [2021-12-14 18:04:04,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:04:04,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:04:04,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:04:04,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:04:04,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:03:52" (1/3) ... [2021-12-14 18:04:04,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba95070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:04:04, skipping insertion in model container [2021-12-14 18:04:04,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:03:55" (2/3) ... [2021-12-14 18:04:04,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba95070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:04:04, skipping insertion in model container [2021-12-14 18:04:04,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:04" (3/3) ... [2021-12-14 18:04:04,113 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2021-12-14 18:04:04,117 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:04:04,117 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:04:04,159 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:04:04,166 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:04:04,166 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:04:04,206 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) [2021-12-14 18:04:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-14 18:04:04,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:04,222 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] [2021-12-14 18:04:04,222 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:04,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:04,226 INFO L85 PathProgramCache]: Analyzing trace with hash 638574124, now seen corresponding path program 1 times [2021-12-14 18:04:04,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:04,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367481093] [2021-12-14 18:04:04,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:04,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:04:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:04:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:04:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:04:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:04:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:04:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:04:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:04:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:04:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:04:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:04:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:04:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:04:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:04:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:04:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-14 18:04:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-14 18:04:05,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:04:05,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367481093] [2021-12-14 18:04:05,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367481093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:04:05,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:04:05,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:04:05,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053970652] [2021-12-14 18:04:05,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:04:05,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:04:05,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:04:05,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:04:05,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:04:05,259 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) [2021-12-14 18:04:07,810 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 [] [2021-12-14 18:04:09,823 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 [] [2021-12-14 18:04:15,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:04:15,768 INFO L93 Difference]: Finished difference Result 4764 states and 6922 transitions. [2021-12-14 18:04:15,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:04:15,770 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 [2021-12-14 18:04:15,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:04:15,802 INFO L225 Difference]: With dead ends: 4764 [2021-12-14 18:04:15,803 INFO L226 Difference]: Without dead ends: 2515 [2021-12-14 18:04:15,817 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 [2021-12-14 18:04:15,820 INFO L933 BasicCegarLoop]: 2998 mSDtfsCounter, 1391 mSDsluCounter, 2621 mSDsCounter, 0 mSdLazyCounter, 1849 mSolverCounterSat, 1473 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 5619 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1473 IncrementalHoareTripleChecker+Valid, 1849 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:04:15,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1413 Valid, 5619 Invalid, 3324 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1473 Valid, 1849 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2021-12-14 18:04:15,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2021-12-14 18:04:15,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2214. [2021-12-14 18:04:15,976 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) [2021-12-14 18:04:15,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3070 transitions. [2021-12-14 18:04:15,991 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3070 transitions. Word has length 291 [2021-12-14 18:04:15,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:04:15,992 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 3070 transitions. [2021-12-14 18:04:15,992 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) [2021-12-14 18:04:15,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3070 transitions. [2021-12-14 18:04:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-14 18:04:16,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:16,001 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] [2021-12-14 18:04:16,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:04:16,001 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:16,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:16,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1382787271, now seen corresponding path program 1 times [2021-12-14 18:04:16,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:16,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283038715] [2021-12-14 18:04:16,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:16,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:04:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:04:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:04:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:04:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:04:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:04:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:04:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:04:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:04:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:04:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:04:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:04:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:04:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:04:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:04:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:04:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-14 18:04:16,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:04:16,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283038715] [2021-12-14 18:04:16,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283038715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:04:16,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:04:16,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:04:16,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760200417] [2021-12-14 18:04:16,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:04:16,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:04:16,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:04:16,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:04:16,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:04:16,577 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) [2021-12-14 18:04:18,963 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 [] [2021-12-14 18:04:22,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:04:27,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:04:27,216 INFO L93 Difference]: Finished difference Result 6158 states and 8659 transitions. [2021-12-14 18:04:27,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:04:27,217 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 [2021-12-14 18:04:27,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:04:27,241 INFO L225 Difference]: With dead ends: 6158 [2021-12-14 18:04:27,241 INFO L226 Difference]: Without dead ends: 3991 [2021-12-14 18:04:27,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:04:27,253 INFO L933 BasicCegarLoop]: 3180 mSDtfsCounter, 4976 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 3462 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5178 SdHoareTripleChecker+Valid, 7063 SdHoareTripleChecker+Invalid, 5512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3462 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:04:27,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5178 Valid, 7063 Invalid, 5512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3462 Valid, 2048 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2021-12-14 18:04:27,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3991 states. [2021-12-14 18:04:27,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3991 to 3491. [2021-12-14 18:04:27,367 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) [2021-12-14 18:04:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4792 transitions. [2021-12-14 18:04:27,381 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4792 transitions. Word has length 292 [2021-12-14 18:04:27,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:04:27,384 INFO L470 AbstractCegarLoop]: Abstraction has 3491 states and 4792 transitions. [2021-12-14 18:04:27,384 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) [2021-12-14 18:04:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4792 transitions. [2021-12-14 18:04:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-12-14 18:04:27,389 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:27,389 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] [2021-12-14 18:04:27,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:04:27,390 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:27,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:27,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1431688040, now seen corresponding path program 1 times [2021-12-14 18:04:27,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:27,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860777083] [2021-12-14 18:04:27,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:27,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:04:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:04:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:04:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:04:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:04:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:04:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:04:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:04:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:04:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:04:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:04:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:04:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:04:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:04:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:04:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:28,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 18:04:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-14 18:04:28,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:04:28,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860777083] [2021-12-14 18:04:28,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860777083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:04:28,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:04:28,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:04:28,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239864356] [2021-12-14 18:04:28,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:04:28,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:04:28,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:04:28,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:04:28,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:04:28,031 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) [2021-12-14 18:04:30,512 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 [] [2021-12-14 18:04:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:04:36,202 INFO L93 Difference]: Finished difference Result 4313 states and 6246 transitions. [2021-12-14 18:04:36,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:04:36,202 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 [2021-12-14 18:04:36,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:04:36,222 INFO L225 Difference]: With dead ends: 4313 [2021-12-14 18:04:36,222 INFO L226 Difference]: Without dead ends: 4309 [2021-12-14 18:04:36,224 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 [2021-12-14 18:04:36,225 INFO L933 BasicCegarLoop]: 2938 mSDtfsCounter, 5535 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 3693 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5931 SdHoareTripleChecker+Valid, 5687 SdHoareTripleChecker+Invalid, 5542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3693 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:04:36,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5931 Valid, 5687 Invalid, 5542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3693 Valid, 1848 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-12-14 18:04:36,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2021-12-14 18:04:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 3492. [2021-12-14 18:04:36,330 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) [2021-12-14 18:04:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 4790 transitions. [2021-12-14 18:04:36,344 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 4790 transitions. Word has length 299 [2021-12-14 18:04:36,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:04:36,356 INFO L470 AbstractCegarLoop]: Abstraction has 3492 states and 4790 transitions. [2021-12-14 18:04:36,356 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) [2021-12-14 18:04:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 4790 transitions. [2021-12-14 18:04:36,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-14 18:04:36,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:36,361 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] [2021-12-14 18:04:36,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:04:36,361 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:36,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:36,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1433506857, now seen corresponding path program 1 times [2021-12-14 18:04:36,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:36,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258598825] [2021-12-14 18:04:36,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:36,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:04:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:04:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:04:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:04:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:04:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:04:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:04:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:04:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:04:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:04:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:04:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:04:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:04:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:04:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:04:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 18:04:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-14 18:04:36,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:04:36,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258598825] [2021-12-14 18:04:36,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258598825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:04:36,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:04:36,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:04:36,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600542536] [2021-12-14 18:04:36,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:04:36,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:04:36,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:04:36,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:04:36,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:04:36,906 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) [2021-12-14 18:04:39,372 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 [] [2021-12-14 18:04:44,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:04:44,954 INFO L93 Difference]: Finished difference Result 4309 states and 6241 transitions. [2021-12-14 18:04:44,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 18:04:44,954 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 [2021-12-14 18:04:44,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:04:44,976 INFO L225 Difference]: With dead ends: 4309 [2021-12-14 18:04:44,976 INFO L226 Difference]: Without dead ends: 4306 [2021-12-14 18:04:44,979 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 [2021-12-14 18:04:44,980 INFO L933 BasicCegarLoop]: 2932 mSDtfsCounter, 5579 mSDsluCounter, 2689 mSDsCounter, 0 mSdLazyCounter, 1833 mSolverCounterSat, 3738 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5991 SdHoareTripleChecker+Valid, 5621 SdHoareTripleChecker+Invalid, 5572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3738 IncrementalHoareTripleChecker+Valid, 1833 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:04:44,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5991 Valid, 5621 Invalid, 5572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3738 Valid, 1833 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2021-12-14 18:04:44,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2021-12-14 18:04:45,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 3491. [2021-12-14 18:04:45,083 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) [2021-12-14 18:04:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4788 transitions. [2021-12-14 18:04:45,094 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4788 transitions. Word has length 300 [2021-12-14 18:04:45,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:04:45,097 INFO L470 AbstractCegarLoop]: Abstraction has 3491 states and 4788 transitions. [2021-12-14 18:04:45,097 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) [2021-12-14 18:04:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4788 transitions. [2021-12-14 18:04:45,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-14 18:04:45,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:45,100 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] [2021-12-14 18:04:45,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:04:45,100 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:45,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:45,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1489885317, now seen corresponding path program 1 times [2021-12-14 18:04:45,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:45,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374873840] [2021-12-14 18:04:45,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:45,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:04:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:04:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:04:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:04:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:04:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:04:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:04:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:04:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:04:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:04:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:04:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:04:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:04:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-14 18:04:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 18:04:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-14 18:04:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-14 18:04:45,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:04:45,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374873840] [2021-12-14 18:04:45,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374873840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:04:45,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:04:45,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:04:45,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086885013] [2021-12-14 18:04:45,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:04:45,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:04:45,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:04:45,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:04:45,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:04:45,588 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) [2021-12-14 18:04:47,989 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 []