./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 ae007674 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-dev-ae00767 [2021-12-28 04:16:13,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:16:13,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:16:13,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:16:13,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:16:13,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:16:13,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:16:13,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:16:13,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:16:13,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:16:13,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:16:13,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:16:13,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:16:13,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:16:13,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:16:13,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:16:13,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:16:13,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:16:13,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:16:13,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:16:13,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:16:13,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:16:13,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:16:13,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:16:13,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:16:13,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:16:13,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:16:13,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:16:13,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:16:13,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:16:13,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:16:13,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:16:13,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:16:13,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:16:13,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:16:13,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:16:13,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:16:13,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:16:13,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:16:13,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:16:13,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:16:13,352 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:16:13,384 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:16:13,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:16:13,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:16:13,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:16:13,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:16:13,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:16:13,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:16:13,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:16:13,389 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:16:13,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:16:13,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:16:13,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:16:13,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:16:13,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:16:13,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:16:13,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:16:13,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:16:13,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:16:13,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:16:13,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:16:13,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:16:13,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:16:13,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:16:13,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:16:13,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:16:13,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:16:13,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:16:13,394 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:16:13,394 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:16:13,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:16:13,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad [2021-12-28 04:16:13,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:16:13,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:16:13,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:16:13,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:16:13,742 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:16:13,744 INFO L432 ainManager$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 [2021-12-28 04:16:13,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eee67a4a/1d5c3cd1ddee4e6abc885041d5ee07ac/FLAG4d3afe2e1 [2021-12-28 04:16:14,695 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:16:14,697 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 [2021-12-28 04:16:14,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eee67a4a/1d5c3cd1ddee4e6abc885041d5ee07ac/FLAG4d3afe2e1 [2021-12-28 04:16:15,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eee67a4a/1d5c3cd1ddee4e6abc885041d5ee07ac [2021-12-28 04:16:15,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:16:15,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:16:15,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:16:15,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:16:15,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:16:15,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:16:15" (1/1) ... [2021-12-28 04:16:15,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be2860e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:15, skipping insertion in model container [2021-12-28 04:16:15,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:16:15" (1/1) ... [2021-12-28 04:16:15,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:16:15,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:16:18,462 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] [2021-12-28 04:16:18,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:16:18,835 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:16:19,399 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] [2021-12-28 04:16:19,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:16:19,626 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:16:19,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19 WrapperNode [2021-12-28 04:16:19,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:16:19,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:16:19,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:16:19,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:16:19,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:19,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,013 INFO L137 Inliner]: procedures = 566, calls = 3591, calls flagged for inlining = 221, calls inlined = 180, statements flattened = 6315 [2021-12-28 04:16:20,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:16:20,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:16:20,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:16:20,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:16:20,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:16:20,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:16:20,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:16:20,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:16:20,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (1/1) ... [2021-12-28 04:16:20,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:16:20,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:16:20,441 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) [2021-12-28 04:16:20,517 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 [2021-12-28 04:16:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:16:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:16:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-28 04:16:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-28 04:16:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:16:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:16:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-28 04:16:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-28 04:16:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:16:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:16:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2021-12-28 04:16:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2021-12-28 04:16:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2021-12-28 04:16:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2021-12-28 04:16:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-28 04:16:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-28 04:16:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2021-12-28 04:16:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2021-12-28 04:16:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:16:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:16:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2021-12-28 04:16:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2021-12-28 04:16:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:16:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:16:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2021-12-28 04:16:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2021-12-28 04:16:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2021-12-28 04:16:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2021-12-28 04:16:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2021-12-28 04:16:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2021-12-28 04:16:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-28 04:16:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-28 04:16:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:16:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:16:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-12-28 04:16:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-12-28 04:16:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2021-12-28 04:16:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2021-12-28 04:16:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 04:16:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 04:16:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2021-12-28 04:16:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2021-12-28 04:16:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2021-12-28 04:16:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2021-12-28 04:16:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:16:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:16:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-28 04:16:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-28 04:16:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2021-12-28 04:16:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2021-12-28 04:16:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:16:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:16:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 04:16:20,568 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 04:16:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:16:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:16:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2021-12-28 04:16:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2021-12-28 04:16:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:16:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-28 04:16:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-28 04:16:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2021-12-28 04:16:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2021-12-28 04:16:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 04:16:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 04:16:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:16:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:16:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:16:20,572 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:16:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2021-12-28 04:16:20,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2021-12-28 04:16:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2021-12-28 04:16:20,577 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2021-12-28 04:16:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:16:20,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:16:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2021-12-28 04:16:20,578 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2021-12-28 04:16:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-28 04:16:20,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-28 04:16:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:16:20,578 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:16:20,579 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:16:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:16:20,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:16:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:16:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:16:20,579 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2021-12-28 04:16:20,579 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2021-12-28 04:16:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2021-12-28 04:16:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2021-12-28 04:16:20,580 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2021-12-28 04:16:20,580 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2021-12-28 04:16:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-28 04:16:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-28 04:16:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:16:20,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:16:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:16:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:16:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:16:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:16:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2021-12-28 04:16:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2021-12-28 04:16:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure card_event_handler [2021-12-28 04:16:20,583 INFO L138 BoogieDeclarations]: Found implementation of procedure card_event_handler [2021-12-28 04:16:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:16:20,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:16:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:16:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:16:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-28 04:16:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-28 04:16:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2021-12-28 04:16:20,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2021-12-28 04:16:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:16:20,586 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-12-28 04:16:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-12-28 04:16:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-28 04:16:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-28 04:16:20,601 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:16:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:16:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:16:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-12-28 04:16:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-12-28 04:16:20,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:16:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:16:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:16:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-28 04:16:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-28 04:16:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2021-12-28 04:16:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2021-12-28 04:16:20,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:16:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:16:20,611 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2021-12-28 04:16:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2021-12-28 04:16:20,611 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-28 04:16:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-28 04:16:20,611 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:16:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:16:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:16:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:16:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:16:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:16:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2021-12-28 04:16:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2021-12-28 04:16:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2021-12-28 04:16:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2021-12-28 04:16:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2021-12-28 04:16:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2021-12-28 04:16:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-28 04:16:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-28 04:16:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:16:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:16:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-28 04:16:20,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-28 04:16:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:16:20,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:16:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:16:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:16:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:16:20,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:16:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2021-12-28 04:16:20,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2021-12-28 04:16:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2021-12-28 04:16:20,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2021-12-28 04:16:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-28 04:16:20,615 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-28 04:16:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-28 04:16:20,615 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-28 04:16:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-28 04:16:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-28 04:16:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-28 04:16:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-28 04:16:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-28 04:16:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-28 04:16:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-28 04:16:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-28 04:16:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_9 [2021-12-28 04:16:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_9 [2021-12-28 04:16:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:16:20,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:16:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:16:20,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:16:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-28 04:16:20,617 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-28 04:16:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2021-12-28 04:16:20,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2021-12-28 04:16:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:16:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:16:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:16:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:16:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:16:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:16:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-28 04:16:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-28 04:16:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-28 04:16:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-28 04:16:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2021-12-28 04:16:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2021-12-28 04:16:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2021-12-28 04:16:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2021-12-28 04:16:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 04:16:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 04:16:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:16:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:16:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:16:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 04:16:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 04:16:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:16:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2021-12-28 04:16:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2021-12-28 04:16:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-28 04:16:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-28 04:16:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:16:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2021-12-28 04:16:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2021-12-28 04:16:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-28 04:16:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-28 04:16:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:16:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:16:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:16:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:16:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:16:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:16:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 04:16:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 04:16:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2021-12-28 04:16:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2021-12-28 04:16:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:16:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:16:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:16:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:16:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:16:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:16:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-28 04:16:20,623 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-28 04:16:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_6 [2021-12-28 04:16:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_6 [2021-12-28 04:16:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-28 04:16:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-28 04:16:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2021-12-28 04:16:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2021-12-28 04:16:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2021-12-28 04:16:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2021-12-28 04:16:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2021-12-28 04:16:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2021-12-28 04:16:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-28 04:16:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-28 04:16:20,635 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2021-12-28 04:16:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2021-12-28 04:16:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:16:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:16:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-28 04:16:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-28 04:16:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:16:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-28 04:16:20,636 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-28 04:16:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-28 04:16:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-28 04:16:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2021-12-28 04:16:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2021-12-28 04:16:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:16:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:16:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:16:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:16:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-28 04:16:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-28 04:16:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2021-12-28 04:16:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2021-12-28 04:16:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:16:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:16:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:16:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:16:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_done [2021-12-28 04:16:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_done [2021-12-28 04:16:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:16:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:16:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:16:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:16:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2021-12-28 04:16:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2021-12-28 04:16:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-28 04:16:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-28 04:16:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2021-12-28 04:16:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2021-12-28 04:16:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-12-28 04:16:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-12-28 04:16:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-28 04:16:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-28 04:16:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2021-12-28 04:16:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2021-12-28 04:16:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-28 04:16:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-28 04:16:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 04:16:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 04:16:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:16:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:16:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-28 04:16:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-28 04:16:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:16:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:16:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 04:16:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 04:16:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2021-12-28 04:16:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2021-12-28 04:16:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2021-12-28 04:16:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2021-12-28 04:16:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:16:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-28 04:16:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-28 04:16:21,472 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:16:21,476 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:16:21,600 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:16:29,519 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:16:29,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:16:29,541 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:16:29,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:16:29 BoogieIcfgContainer [2021-12-28 04:16:29,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:16:29,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:16:29,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:16:29,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:16:29,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:16:15" (1/3) ... [2021-12-28 04:16:29,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd78a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:16:29, skipping insertion in model container [2021-12-28 04:16:29,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:19" (2/3) ... [2021-12-28 04:16:29,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd78a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:16:29, skipping insertion in model container [2021-12-28 04:16:29,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:16:29" (3/3) ... [2021-12-28 04:16:29,554 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2021-12-28 04:16:29,559 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:16:29,559 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:16:29,609 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:16:29,615 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 [2021-12-28 04:16:29,615 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:16:29,668 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) [2021-12-28 04:16:29,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-28 04:16:29,687 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:16:29,688 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] [2021-12-28 04:16:29,689 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:16:29,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:16:29,694 INFO L85 PathProgramCache]: Analyzing trace with hash 638574124, now seen corresponding path program 1 times [2021-12-28 04:16:29,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:16:29,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89939896] [2021-12-28 04:16:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:16:29,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:16:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:16:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:16:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:16:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:16:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:16:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:16:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:16:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:16:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:16:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:16:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:16:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:16:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:16:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:16:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:16:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:16:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:16:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-28 04:16:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-28 04:16:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-28 04:16:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-28 04:16:31,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:16:31,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89939896] [2021-12-28 04:16:31,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89939896] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:16:31,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:16:31,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:16:31,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764238240] [2021-12-28 04:16:31,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:16:31,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:16:31,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:16:31,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:16:31,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:16:31,084 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) [2021-12-28 04:16:33,783 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 [] [2021-12-28 04:16:35,794 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 [] [2021-12-28 04:16:42,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:16:42,169 INFO L93 Difference]: Finished difference Result 4764 states and 6922 transitions. [2021-12-28 04:16:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:16:42,171 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 [2021-12-28 04:16:42,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:16:42,216 INFO L225 Difference]: With dead ends: 4764 [2021-12-28 04:16:42,217 INFO L226 Difference]: Without dead ends: 2515 [2021-12-28 04:16:42,234 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 [2021-12-28 04:16:42,237 INFO L933 BasicCegarLoop]: 2997 mSDtfsCounter, 1391 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 1473 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 5615 SdHoareTripleChecker+Invalid, 3326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1473 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:16:42,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1413 Valid, 5615 Invalid, 3326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1473 Valid, 1851 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2021-12-28 04:16:42,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2021-12-28 04:16:42,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2214. [2021-12-28 04:16:42,432 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) [2021-12-28 04:16:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3070 transitions. [2021-12-28 04:16:42,452 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3070 transitions. Word has length 291 [2021-12-28 04:16:42,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:16:42,454 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 3070 transitions. [2021-12-28 04:16:42,455 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) [2021-12-28 04:16:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3070 transitions. [2021-12-28 04:16:42,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-28 04:16:42,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:16:42,464 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] [2021-12-28 04:16:42,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:16:42,465 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:16:42,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:16:42,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1382787271, now seen corresponding path program 1 times [2021-12-28 04:16:42,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:16:42,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556448099] [2021-12-28 04:16:42,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:16:42,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:16:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:16:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:16:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:16:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:16:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:16:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:16:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:16:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:16:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:16:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:16:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:16:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:16:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:16:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:16:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:16:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:16:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:16:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-28 04:16:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-28 04:16:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-28 04:16:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-28 04:16:43,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:16:43,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556448099] [2021-12-28 04:16:43,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556448099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:16:43,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:16:43,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:16:43,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382179053] [2021-12-28 04:16:43,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:16:43,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:16:43,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:16:43,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:16:43,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:16:43,251 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) [2021-12-28 04:16:45,765 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 [] [2021-12-28 04:16:49,390 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 [] [2021-12-28 04:16:55,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:16:55,293 INFO L93 Difference]: Finished difference Result 6158 states and 8659 transitions. [2021-12-28 04:16:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:16:55,294 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 [2021-12-28 04:16:55,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:16:55,322 INFO L225 Difference]: With dead ends: 6158 [2021-12-28 04:16:55,323 INFO L226 Difference]: Without dead ends: 3991 [2021-12-28 04:16:55,333 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 [2021-12-28 04:16:55,334 INFO L933 BasicCegarLoop]: 3180 mSDtfsCounter, 4976 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 2432 mSolverCounterSat, 3462 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5180 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 5896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3462 IncrementalHoareTripleChecker+Valid, 2432 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:16:55,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5180 Valid, 6681 Invalid, 5896 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3462 Valid, 2432 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2021-12-28 04:16:55,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3991 states. [2021-12-28 04:16:55,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3991 to 3491. [2021-12-28 04:16:55,461 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) [2021-12-28 04:16:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4792 transitions. [2021-12-28 04:16:55,480 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4792 transitions. Word has length 292 [2021-12-28 04:16:55,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:16:55,481 INFO L470 AbstractCegarLoop]: Abstraction has 3491 states and 4792 transitions. [2021-12-28 04:16:55,481 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) [2021-12-28 04:16:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4792 transitions. [2021-12-28 04:16:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-12-28 04:16:55,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:16:55,487 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] [2021-12-28 04:16:55,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:16:55,488 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:16:55,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:16:55,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1431688040, now seen corresponding path program 1 times [2021-12-28 04:16:55,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:16:55,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030626752] [2021-12-28 04:16:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:16:55,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:16:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:16:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:16:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:16:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:16:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:16:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:16:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:16:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:16:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:16:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:16:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:16:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:16:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:16:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:16:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:16:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:16:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:16:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:16:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-28 04:16:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-28 04:16:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-28 04:16:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:16:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:16:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-28 04:16:56,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:16:56,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030626752] [2021-12-28 04:16:56,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030626752] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:16:56,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:16:56,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:16:56,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29156499] [2021-12-28 04:16:56,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:16:56,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:16:56,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:16:56,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:16:56,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:16:56,274 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) [2021-12-28 04:16:59,000 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 [] [2021-12-28 04:17:05,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:17:05,366 INFO L93 Difference]: Finished difference Result 4313 states and 6246 transitions. [2021-12-28 04:17:05,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 04:17:05,366 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 [2021-12-28 04:17:05,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:17:05,398 INFO L225 Difference]: With dead ends: 4313 [2021-12-28 04:17:05,398 INFO L226 Difference]: Without dead ends: 4309 [2021-12-28 04:17:05,403 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 [2021-12-28 04:17:05,407 INFO L933 BasicCegarLoop]: 2938 mSDtfsCounter, 5535 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 3687 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5932 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 5576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3687 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:17:05,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5932 Valid, 5650 Invalid, 5576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3687 Valid, 1888 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2021-12-28 04:17:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2021-12-28 04:17:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 3492. [2021-12-28 04:17:05,547 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) [2021-12-28 04:17:05,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 4790 transitions. [2021-12-28 04:17:05,561 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 4790 transitions. Word has length 299 [2021-12-28 04:17:05,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:17:05,562 INFO L470 AbstractCegarLoop]: Abstraction has 3492 states and 4790 transitions. [2021-12-28 04:17:05,563 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) [2021-12-28 04:17:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 4790 transitions. [2021-12-28 04:17:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-28 04:17:05,567 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:17:05,568 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] [2021-12-28 04:17:05,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:17:05,568 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:17:05,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:17:05,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1433506857, now seen corresponding path program 1 times [2021-12-28 04:17:05,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:17:05,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960314271] [2021-12-28 04:17:05,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:17:05,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:17:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:17:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:05,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:05,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:17:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:05,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:17:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:17:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:17:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:17:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:17:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:17:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:17:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:17:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:17:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-28 04:17:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:17:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:17:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-28 04:17:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:17:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 04:17:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-28 04:17:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-28 04:17:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-28 04:17:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,391 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-28 04:17:06,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:17:06,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960314271] [2021-12-28 04:17:06,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960314271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:17:06,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:17:06,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:17:06,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806434879] [2021-12-28 04:17:06,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:17:06,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:17:06,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:17:06,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:17:06,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:17:06,394 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)