./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 eb692b52 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-?-eb692b5 [2022-07-20 00:34:26,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:34:26,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:34:26,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:34:26,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:34:26,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:34:26,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:34:26,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:34:26,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:34:26,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:34:26,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:34:26,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:34:26,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:34:26,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:34:26,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:34:26,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:34:26,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:34:26,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:34:26,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:34:26,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:34:26,932 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:34:26,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:34:26,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:34:26,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:34:26,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:34:26,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:34:26,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:34:26,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:34:26,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:34:26,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:34:26,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:34:26,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:34:26,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:34:26,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:34:26,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:34:26,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:34:26,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:34:26,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:34:26,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:34:26,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:34:26,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:34:26,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:34:26,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:34:26,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:34:26,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:34:26,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:34:26,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:34:26,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:34:26,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:34:26,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:34:26,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:34:26,973 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:34:26,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:34:26,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:34:26,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:34:26,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:34:26,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:34:26,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:34:26,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:34:26,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:34:26,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:34:26,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:34:26,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:34:26,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:34:26,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:34:26,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:34:26,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:34:26,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:34:26,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:34:26,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:34:26,977 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:34:26,977 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:34:26,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:34:26,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad [2022-07-20 00:34:27,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:34:27,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:34:27,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:34:27,189 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:34:27,190 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:34:27,191 INFO L432 ainManager$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 [2022-07-20 00:34:27,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68dfde36c/0641af05d67048348dfffca181a1c81a/FLAG998a9a4eb [2022-07-20 00:34:28,031 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:34:28,031 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 [2022-07-20 00:34:28,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68dfde36c/0641af05d67048348dfffca181a1c81a/FLAG998a9a4eb [2022-07-20 00:34:28,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68dfde36c/0641af05d67048348dfffca181a1c81a [2022-07-20 00:34:28,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:34:28,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:34:28,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:34:28,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:34:28,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:34:28,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:34:28" (1/1) ... [2022-07-20 00:34:28,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd86c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:28, skipping insertion in model container [2022-07-20 00:34:28,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:34:28" (1/1) ... [2022-07-20 00:34:28,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:34:28,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:34:31,015 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] [2022-07-20 00:34:31,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:34:31,295 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:34:31,714 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] [2022-07-20 00:34:31,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:34:31,880 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:34:31,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31 WrapperNode [2022-07-20 00:34:31,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:34:31,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:34:31,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:34:31,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:34:31,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,269 INFO L137 Inliner]: procedures = 566, calls = 3593, calls flagged for inlining = 221, calls inlined = 180, statements flattened = 6326 [2022-07-20 00:34:32,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:34:32,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:34:32,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:34:32,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:34:32,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:34:32,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:34:32,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:34:32,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:34:32,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (1/1) ... [2022-07-20 00:34:32,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:34:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:34:32,525 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) [2022-07-20 00:34:32,533 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 [2022-07-20 00:34:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:34:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:34:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-20 00:34:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-20 00:34:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 00:34:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 00:34:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-07-20 00:34:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-07-20 00:34:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:34:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:34:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2022-07-20 00:34:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2022-07-20 00:34:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2022-07-20 00:34:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2022-07-20 00:34:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-20 00:34:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-20 00:34:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2022-07-20 00:34:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2022-07-20 00:34:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:34:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:34:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2022-07-20 00:34:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2022-07-20 00:34:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 00:34:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 00:34:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2022-07-20 00:34:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2022-07-20 00:34:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2022-07-20 00:34:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2022-07-20 00:34:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2022-07-20 00:34:32,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2022-07-20 00:34:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-20 00:34:32,609 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-20 00:34:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 00:34:32,609 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 00:34:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-07-20 00:34:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-07-20 00:34:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2022-07-20 00:34:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2022-07-20 00:34:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 00:34:32,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 00:34:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2022-07-20 00:34:32,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2022-07-20 00:34:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2022-07-20 00:34:32,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2022-07-20 00:34:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:34:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:34:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-07-20 00:34:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-07-20 00:34:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2022-07-20 00:34:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2022-07-20 00:34:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 00:34:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 00:34:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 00:34:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 00:34:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:34:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:34:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2022-07-20 00:34:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2022-07-20 00:34:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:34:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-20 00:34:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-20 00:34:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2022-07-20 00:34:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2022-07-20 00:34:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 00:34:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 00:34:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-20 00:34:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-20 00:34:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:34:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:34:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2022-07-20 00:34:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2022-07-20 00:34:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2022-07-20 00:34:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2022-07-20 00:34:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:34:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:34:32,618 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2022-07-20 00:34:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2022-07-20 00:34:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 00:34:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 00:34:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:34:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 00:34:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 00:34:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:34:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:34:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:34:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:34:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-07-20 00:34:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-07-20 00:34:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2022-07-20 00:34:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2022-07-20 00:34:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2022-07-20 00:34:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2022-07-20 00:34:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-07-20 00:34:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-07-20 00:34:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 00:34:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 00:34:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:34:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:34:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 00:34:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 00:34:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2022-07-20 00:34:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2022-07-20 00:34:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure card_event_handler [2022-07-20 00:34:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure card_event_handler [2022-07-20 00:34:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 00:34:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 00:34:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 00:34:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 00:34:32,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:34:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:34:32,625 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-07-20 00:34:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-07-20 00:34:32,625 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2022-07-20 00:34:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2022-07-20 00:34:32,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:34:32,626 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-07-20 00:34:32,626 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-07-20 00:34:32,626 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-07-20 00:34:32,627 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-07-20 00:34:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 00:34:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 00:34:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:34:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-07-20 00:34:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-07-20 00:34:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 00:34:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 00:34:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:34:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-07-20 00:34:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-07-20 00:34:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2022-07-20 00:34:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2022-07-20 00:34:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 00:34:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 00:34:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2022-07-20 00:34:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2022-07-20 00:34:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 00:34:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 00:34:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 00:34:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 00:34:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 00:34:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 00:34:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 00:34:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 00:34:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2022-07-20 00:34:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2022-07-20 00:34:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2022-07-20 00:34:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2022-07-20 00:34:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2022-07-20 00:34:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2022-07-20 00:34:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2022-07-20 00:34:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2022-07-20 00:34:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:34:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:34:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 00:34:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 00:34:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 00:34:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 00:34:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:34:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:34:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:34:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:34:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2022-07-20 00:34:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2022-07-20 00:34:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2022-07-20 00:34:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2022-07-20 00:34:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-07-20 00:34:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-07-20 00:34:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 00:34:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 00:34:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-20 00:34:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-20 00:34:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-20 00:34:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-20 00:34:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2022-07-20 00:34:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2022-07-20 00:34:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-07-20 00:34:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-07-20 00:34:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_9 [2022-07-20 00:34:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_9 [2022-07-20 00:34:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:34:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:34:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:34:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:34:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-07-20 00:34:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-07-20 00:34:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2022-07-20 00:34:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2022-07-20 00:34:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:34:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:34:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:34:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:34:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:34:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:34:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-20 00:34:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-20 00:34:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 00:34:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 00:34:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2022-07-20 00:34:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2022-07-20 00:34:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2022-07-20 00:34:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2022-07-20 00:34:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:34:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:34:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:34:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:34:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:34:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 00:34:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 00:34:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:34:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2022-07-20 00:34:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2022-07-20 00:34:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-20 00:34:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-20 00:34:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:34:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2022-07-20 00:34:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2022-07-20 00:34:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-07-20 00:34:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-07-20 00:34:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 00:34:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 00:34:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:34:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:34:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:34:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:34:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:34:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:34:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2022-07-20 00:34:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2022-07-20 00:34:32,643 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 00:34:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 00:34:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:34:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:34:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 00:34:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 00:34:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-07-20 00:34:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-07-20 00:34:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_6 [2022-07-20 00:34:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_6 [2022-07-20 00:34:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-20 00:34:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-20 00:34:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2022-07-20 00:34:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2022-07-20 00:34:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2022-07-20 00:34:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2022-07-20 00:34:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2022-07-20 00:34:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2022-07-20 00:34:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-07-20 00:34:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-07-20 00:34:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2022-07-20 00:34:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2022-07-20 00:34:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:34:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:34:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-20 00:34:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-20 00:34:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:34:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-20 00:34:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-07-20 00:34:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-20 00:34:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-20 00:34:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2022-07-20 00:34:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2022-07-20 00:34:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 00:34:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 00:34:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:34:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:34:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-07-20 00:34:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-07-20 00:34:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2022-07-20 00:34:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2022-07-20 00:34:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:34:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:34:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 00:34:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 00:34:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_done [2022-07-20 00:34:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_done [2022-07-20 00:34:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 00:34:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 00:34:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 00:34:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 00:34:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2022-07-20 00:34:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2022-07-20 00:34:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 00:34:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 00:34:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2022-07-20 00:34:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2022-07-20 00:34:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-07-20 00:34:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-07-20 00:34:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-20 00:34:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-20 00:34:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2022-07-20 00:34:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2022-07-20 00:34:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-20 00:34:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-20 00:34:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 00:34:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 00:34:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 00:34:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 00:34:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-07-20 00:34:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-07-20 00:34:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:34:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:34:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 00:34:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 00:34:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2022-07-20 00:34:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2022-07-20 00:34:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2022-07-20 00:34:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2022-07-20 00:34:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:34:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 00:34:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 00:34:33,426 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:34:33,430 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:34:33,548 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:34:41,108 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:34:41,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:34:41,129 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:34:41,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:34:41 BoogieIcfgContainer [2022-07-20 00:34:41,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:34:41,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:34:41,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:34:41,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:34:41,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:34:28" (1/3) ... [2022-07-20 00:34:41,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345a2f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:34:41, skipping insertion in model container [2022-07-20 00:34:41,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:34:31" (2/3) ... [2022-07-20 00:34:41,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345a2f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:34:41, skipping insertion in model container [2022-07-20 00:34:41,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:34:41" (3/3) ... [2022-07-20 00:34:41,140 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2022-07-20 00:34:41,153 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:34:41,153 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:34:41,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:34:41,237 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a2d68f2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b51392 [2022-07-20 00:34:41,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:34:41,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 2239 states, 1540 states have (on average 1.3194805194805195) internal successors, (2032), 1588 states have internal predecessors, (2032), 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) [2022-07-20 00:34:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-20 00:34:41,270 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:34:41,271 INFO L195 NwaCegarLoop]: 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] [2022-07-20 00:34:41,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:34:41,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:34:41,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1747159651, now seen corresponding path program 1 times [2022-07-20 00:34:41,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:34:41,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339732008] [2022-07-20 00:34:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:34:41,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:34:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:34:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:34:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:34:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:34:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:34:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:34:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:34:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:34:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:34:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:34:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:34:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:34:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:34:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:34:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:34:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:34:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:34:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:34:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:34:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:34:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-07-20 00:34:42,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:34:42,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339732008] [2022-07-20 00:34:42,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339732008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:34:42,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:34:42,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:34:42,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690864037] [2022-07-20 00:34:42,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:34:42,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:34:42,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:34:42,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:34:42,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:34:42,566 INFO L87 Difference]: Start difference. First operand has 2239 states, 1540 states have (on average 1.3194805194805195) internal successors, (2032), 1588 states have internal predecessors, (2032), 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 12.8) internal successors, (64), 2 states have internal predecessors, (64), 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) [2022-07-20 00:34:45,274 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 [] [2022-07-20 00:34:47,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:34:49,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:34:56,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:34:56,909 INFO L93 Difference]: Finished difference Result 4779 states and 6953 transitions. [2022-07-20 00:34:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:34:56,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 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 290 [2022-07-20 00:34:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:34:56,950 INFO L225 Difference]: With dead ends: 4779 [2022-07-20 00:34:56,950 INFO L226 Difference]: Without dead ends: 2525 [2022-07-20 00:34:56,972 INFO L412 NwaCegarLoop]: 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 [2022-07-20 00:34:56,975 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 1312 mSDsluCounter, 3872 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 1414 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 6889 SdHoareTripleChecker+Invalid, 4101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1414 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:34:56,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 6889 Invalid, 4101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1414 Valid, 2684 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2022-07-20 00:34:56,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2022-07-20 00:34:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2219. [2022-07-20 00:34:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2219 states, 1533 states have (on average 1.3098499673842139) internal successors, (2008), 1568 states have internal predecessors, (2008), 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) [2022-07-20 00:34:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 3078 transitions. [2022-07-20 00:34:57,182 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 3078 transitions. Word has length 290 [2022-07-20 00:34:57,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:34:57,184 INFO L495 AbstractCegarLoop]: Abstraction has 2219 states and 3078 transitions. [2022-07-20 00:34:57,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 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) [2022-07-20 00:34:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 3078 transitions. [2022-07-20 00:34:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-20 00:34:57,194 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:34:57,194 INFO L195 NwaCegarLoop]: 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] [2022-07-20 00:34:57,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:34:57,195 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:34:57,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:34:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash -774861777, now seen corresponding path program 1 times [2022-07-20 00:34:57,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:34:57,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846093487] [2022-07-20 00:34:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:34:57,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:34:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:34:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:34:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:34:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:34:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:34:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:34:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:34:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:34:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:34:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:34:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:34:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:34:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:34:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:34:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:34:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:34:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:34:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:34:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:34:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:34:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:34:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:34:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:34:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-07-20 00:34:57,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:34:57,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846093487] [2022-07-20 00:34:57,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846093487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:34:57,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:34:57,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:34:57,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927573041] [2022-07-20 00:34:57,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:34:57,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:34:57,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:34:57,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:34:57,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:34:57,995 INFO L87 Difference]: Start difference. First operand 2219 states and 3078 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 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) [2022-07-20 00:35:00,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:35:02,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:35:12,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:35:12,107 INFO L93 Difference]: Finished difference Result 6183 states and 8699 transitions. [2022-07-20 00:35:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:35:12,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 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 290 [2022-07-20 00:35:12,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:35:12,137 INFO L225 Difference]: With dead ends: 6183 [2022-07-20 00:35:12,137 INFO L226 Difference]: Without dead ends: 4011 [2022-07-20 00:35:12,149 INFO L412 NwaCegarLoop]: 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 [2022-07-20 00:35:12,150 INFO L413 NwaCegarLoop]: 3215 mSDtfsCounter, 4029 mSDsluCounter, 4772 mSDsCounter, 0 mSdLazyCounter, 3468 mSolverCounterSat, 2413 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4233 SdHoareTripleChecker+Valid, 7987 SdHoareTripleChecker+Invalid, 5883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2413 IncrementalHoareTripleChecker+Valid, 3468 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:35:12,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4233 Valid, 7987 Invalid, 5883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2413 Valid, 3468 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2022-07-20 00:35:12,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4011 states. [2022-07-20 00:35:12,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4011 to 3501. [2022-07-20 00:35:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3501 states, 2445 states have (on average 1.3120654396728015) internal successors, (3208), 2490 states have internal predecessors, (3208), 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) [2022-07-20 00:35:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 4808 transitions. [2022-07-20 00:35:12,357 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 4808 transitions. Word has length 290 [2022-07-20 00:35:12,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:35:12,358 INFO L495 AbstractCegarLoop]: Abstraction has 3501 states and 4808 transitions. [2022-07-20 00:35:12,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 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) [2022-07-20 00:35:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 4808 transitions. [2022-07-20 00:35:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-20 00:35:12,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:35:12,366 INFO L195 NwaCegarLoop]: 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] [2022-07-20 00:35:12,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:35:12,366 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:35:12,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:35:12,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1146065254, now seen corresponding path program 1 times [2022-07-20 00:35:12,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:35:12,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450523113] [2022-07-20 00:35:12,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:35:12,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:35:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:35:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:35:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:35:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:35:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:35:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:35:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:35:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:35:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:35:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:35:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:35:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:35:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:35:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:35:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:35:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:35:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:35:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:35:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:35:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:35:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-07-20 00:35:13,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:35:13,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450523113] [2022-07-20 00:35:13,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450523113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:35:13,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:35:13,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:35:13,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543641247] [2022-07-20 00:35:13,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:35:13,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:35:13,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:35:13,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:35:13,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:35:13,114 INFO L87 Difference]: Start difference. First operand 3501 states and 4808 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) [2022-07-20 00:35:15,717 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 [] [2022-07-20 00:35:22,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:35:22,749 INFO L93 Difference]: Finished difference Result 4343 states and 6294 transitions. [2022-07-20 00:35:22,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 00:35:22,750 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 [2022-07-20 00:35:22,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:35:22,779 INFO L225 Difference]: With dead ends: 4343 [2022-07-20 00:35:22,780 INFO L226 Difference]: Without dead ends: 4339 [2022-07-20 00:35:22,785 INFO L412 NwaCegarLoop]: 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 [2022-07-20 00:35:22,786 INFO L413 NwaCegarLoop]: 2953 mSDtfsCounter, 4414 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 2923 mSolverCounterSat, 2269 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4810 SdHoareTripleChecker+Valid, 6977 SdHoareTripleChecker+Invalid, 5193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2269 IncrementalHoareTripleChecker+Valid, 2923 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:35:22,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4810 Valid, 6977 Invalid, 5193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2269 Valid, 2923 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-07-20 00:35:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4339 states. [2022-07-20 00:35:22,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4339 to 3502. [2022-07-20 00:35:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3502 states, 2447 states have (on average 1.3109930527176135) internal successors, (3208), 2490 states have internal predecessors, (3208), 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) [2022-07-20 00:35:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 3502 states and 4806 transitions. [2022-07-20 00:35:22,938 INFO L78 Accepts]: Start accepts. Automaton has 3502 states and 4806 transitions. Word has length 299 [2022-07-20 00:35:22,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:35:22,939 INFO L495 AbstractCegarLoop]: Abstraction has 3502 states and 4806 transitions. [2022-07-20 00:35:22,940 INFO L496 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) [2022-07-20 00:35:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3502 states and 4806 transitions. [2022-07-20 00:35:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-20 00:35:22,946 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:35:22,946 INFO L195 NwaCegarLoop]: 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] [2022-07-20 00:35:22,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:35:22,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:35:22,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:35:22,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1167434611, now seen corresponding path program 1 times [2022-07-20 00:35:22,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:35:22,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313467898] [2022-07-20 00:35:22,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:35:22,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:35:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:35:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:35:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:35:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:35:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:35:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:35:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:35:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:35:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:35:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:35:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:35:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:35:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:35:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:35:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:35:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:35:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:35:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:35:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:35:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:35:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-07-20 00:35:23,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:35:23,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313467898] [2022-07-20 00:35:23,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313467898] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:35:23,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:35:23,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:35:23,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642014711] [2022-07-20 00:35:23,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:35:23,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:35:23,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:35:23,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:35:23,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:35:23,631 INFO L87 Difference]: Start difference. First operand 3502 states and 4806 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) [2022-07-20 00:35:26,251 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 [] [2022-07-20 00:35:28,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:35:36,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:35:36,434 INFO L93 Difference]: Finished difference Result 4339 states and 6289 transitions. [2022-07-20 00:35:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:35:36,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 300 [2022-07-20 00:35:36,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:35:36,460 INFO L225 Difference]: With dead ends: 4339 [2022-07-20 00:35:36,460 INFO L226 Difference]: Without dead ends: 4336 [2022-07-20 00:35:36,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:35:36,464 INFO L413 NwaCegarLoop]: 2921 mSDtfsCounter, 4348 mSDsluCounter, 5198 mSDsCounter, 0 mSdLazyCounter, 3846 mSolverCounterSat, 2224 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4760 SdHoareTripleChecker+Valid, 8119 SdHoareTripleChecker+Invalid, 6072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2224 IncrementalHoareTripleChecker+Valid, 3846 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:35:36,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4760 Valid, 8119 Invalid, 6072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2224 Valid, 3846 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2022-07-20 00:35:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4336 states. [2022-07-20 00:35:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4336 to 3501. [2022-07-20 00:35:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3501 states, 2447 states have (on average 1.3105843890478137) internal successors, (3207), 2489 states have internal predecessors, (3207), 802 states have call successors, (802), 252 states have call predecessors, (802), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2022-07-20 00:35:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 4804 transitions. [2022-07-20 00:35:36,622 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 4804 transitions. Word has length 300 [2022-07-20 00:35:36,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:35:36,626 INFO L495 AbstractCegarLoop]: Abstraction has 3501 states and 4804 transitions. [2022-07-20 00:35:36,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 00:35:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 4804 transitions. [2022-07-20 00:35:36,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-20 00:35:36,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:35:36,631 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:35:36,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:35:36,631 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:35:36,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:35:36,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1829889545, now seen corresponding path program 1 times [2022-07-20 00:35:36,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:35:36,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114006019] [2022-07-20 00:35:36,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:35:36,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:35:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:35:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:35:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:35:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:35:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:35:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:35:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:35:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:35:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:35:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:35:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:35:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:35:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:35:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:35:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:35:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:35:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:35:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:35:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:35:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:35:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-07-20 00:35:37,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:35:37,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114006019] [2022-07-20 00:35:37,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114006019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:35:37,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:35:37,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:35:37,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746756875] [2022-07-20 00:35:37,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:35:37,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:35:37,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:35:37,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:35:37,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:35:37,281 INFO L87 Difference]: Start difference. First operand 3501 states and 4804 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 00:35:39,873 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 [] [2022-07-20 00:35:44,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:35:44,798 INFO L93 Difference]: Finished difference Result 4338 states and 6287 transitions. [2022-07-20 00:35:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:35:44,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 301 [2022-07-20 00:35:44,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:35:44,821 INFO L225 Difference]: With dead ends: 4338 [2022-07-20 00:35:44,822 INFO L226 Difference]: Without dead ends: 4335 [2022-07-20 00:35:44,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:35:44,825 INFO L413 NwaCegarLoop]: 2942 mSDtfsCounter, 5612 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 3700 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6025 SdHoareTripleChecker+Valid, 5651 SdHoareTripleChecker+Invalid, 5567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3700 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:35:44,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6025 Valid, 5651 Invalid, 5567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3700 Valid, 1866 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-07-20 00:35:44,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4335 states. [2022-07-20 00:35:44,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4335 to 3500. [2022-07-20 00:35:44,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3500 states, 2447 states have (on average 1.310175725378014) internal successors, (3206), 2488 states have internal predecessors, (3206), 801 states have call successors, (801), 252 states have call predecessors, (801), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2022-07-20 00:35:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3500 states and 4802 transitions. [2022-07-20 00:35:45,000 INFO L78 Accepts]: Start accepts. Automaton has 3500 states and 4802 transitions. Word has length 301 [2022-07-20 00:35:45,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:35:45,001 INFO L495 AbstractCegarLoop]: Abstraction has 3500 states and 4802 transitions. [2022-07-20 00:35:45,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 00:35:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3500 states and 4802 transitions. [2022-07-20 00:35:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-20 00:35:45,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:35:45,008 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:35:45,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 00:35:45,009 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:35:45,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:35:45,009 INFO L85 PathProgramCache]: Analyzing trace with hash 891160886, now seen corresponding path program 1 times [2022-07-20 00:35:45,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:35:45,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907018007] [2022-07-20 00:35:45,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:35:45,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:35:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:35:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:35:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:35:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:35:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:35:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:35:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:35:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:35:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:35:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:35:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:35:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:35:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:35:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:35:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:35:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:35:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:35:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:35:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:35:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:35:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-07-20 00:35:45,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:35:45,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907018007] [2022-07-20 00:35:45,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907018007] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:35:45,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:35:45,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:35:45,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425531598] [2022-07-20 00:35:45,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:35:45,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:35:45,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:35:45,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:35:45,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:35:45,645 INFO L87 Difference]: Start difference. First operand 3500 states and 4802 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 00:35:48,154 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 [] [2022-07-20 00:35:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:35:53,345 INFO L93 Difference]: Finished difference Result 4337 states and 6285 transitions. [2022-07-20 00:35:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:35:53,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 302 [2022-07-20 00:35:53,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:35:53,371 INFO L225 Difference]: With dead ends: 4337 [2022-07-20 00:35:53,371 INFO L226 Difference]: Without dead ends: 4334 [2022-07-20 00:35:53,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:35:53,376 INFO L413 NwaCegarLoop]: 2935 mSDtfsCounter, 5005 mSDsluCounter, 2892 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 2957 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5420 SdHoareTripleChecker+Valid, 5827 SdHoareTripleChecker+Invalid, 5094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2957 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:35:53,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5420 Valid, 5827 Invalid, 5094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2957 Valid, 2136 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-07-20 00:35:53,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4334 states. [2022-07-20 00:35:53,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4334 to 3499. [2022-07-20 00:35:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3499 states, 2447 states have (on average 1.3097670617082142) internal successors, (3205), 2487 states have internal predecessors, (3205), 800 states have call successors, (800), 252 states have call predecessors, (800), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2022-07-20 00:35:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 3499 states and 4800 transitions. [2022-07-20 00:35:53,547 INFO L78 Accepts]: Start accepts. Automaton has 3499 states and 4800 transitions. Word has length 302 [2022-07-20 00:35:53,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:35:53,547 INFO L495 AbstractCegarLoop]: Abstraction has 3499 states and 4800 transitions. [2022-07-20 00:35:53,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 00:35:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3499 states and 4800 transitions. [2022-07-20 00:35:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-20 00:35:53,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:35:53,553 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:35:53,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:35:53,553 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:35:53,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:35:53,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1855348396, now seen corresponding path program 1 times [2022-07-20 00:35:53,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:35:53,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127355346] [2022-07-20 00:35:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:35:53,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:35:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:35:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:35:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:35:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:35:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:35:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:35:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:35:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:35:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:35:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:35:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:35:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:35:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:35:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:35:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:35:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:35:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:35:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:35:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:35:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:35:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:35:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:35:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:35:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-07-20 00:35:54,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:35:54,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127355346] [2022-07-20 00:35:54,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127355346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:35:54,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:35:54,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:35:54,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898268879] [2022-07-20 00:35:54,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:35:54,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:35:54,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:35:54,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:35:54,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:35:54,210 INFO L87 Difference]: Start difference. First operand 3499 states and 4800 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-07-20 00:35:56,690 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 [] [2022-07-20 00:35:59,570 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 [] [2022-07-20 00:36:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:36:10,180 INFO L93 Difference]: Finished difference Result 12044 states and 17472 transitions. [2022-07-20 00:36:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:36:10,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 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 303 [2022-07-20 00:36:10,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:36:10,228 INFO L225 Difference]: With dead ends: 12044 [2022-07-20 00:36:10,229 INFO L226 Difference]: Without dead ends: 8592 [2022-07-20 00:36:10,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:36:10,246 INFO L413 NwaCegarLoop]: 4241 mSDtfsCounter, 6824 mSDsluCounter, 5971 mSDsCounter, 0 mSdLazyCounter, 4596 mSolverCounterSat, 4582 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7324 SdHoareTripleChecker+Valid, 10212 SdHoareTripleChecker+Invalid, 9180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4582 IncrementalHoareTripleChecker+Valid, 4596 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:36:10,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7324 Valid, 10212 Invalid, 9180 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4582 Valid, 4596 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-07-20 00:36:10,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8592 states. [2022-07-20 00:36:10,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8592 to 6954. [2022-07-20 00:36:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6954 states, 4865 states have (on average 1.3109969167523123) internal successors, (6378), 4956 states have internal predecessors, (6378), 1575 states have call successors, (1575), 499 states have call predecessors, (1575), 513 states have return successors, (1737), 1560 states have call predecessors, (1737), 1569 states have call successors, (1737) [2022-07-20 00:36:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6954 states to 6954 states and 9690 transitions. [2022-07-20 00:36:10,621 INFO L78 Accepts]: Start accepts. Automaton has 6954 states and 9690 transitions. Word has length 303 [2022-07-20 00:36:10,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:36:10,622 INFO L495 AbstractCegarLoop]: Abstraction has 6954 states and 9690 transitions. [2022-07-20 00:36:10,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 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) [2022-07-20 00:36:10,623 INFO L276 IsEmpty]: Start isEmpty. Operand 6954 states and 9690 transitions. [2022-07-20 00:36:10,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-20 00:36:10,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:36:10,627 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:36:10,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 00:36:10,627 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:36:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:36:10,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1680395001, now seen corresponding path program 1 times [2022-07-20 00:36:10,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:36:10,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325529622] [2022-07-20 00:36:10,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:36:10,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:36:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:36:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:36:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:36:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:36:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:36:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:36:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:36:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:36:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:36:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:36:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:36:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:36:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:36:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:36:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:36:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:36:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:36:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:36:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:36:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:36:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-07-20 00:36:11,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:36:11,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325529622] [2022-07-20 00:36:11,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325529622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:36:11,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:36:11,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:36:11,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112013355] [2022-07-20 00:36:11,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:36:11,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:36:11,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:36:11,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:36:11,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:36:11,238 INFO L87 Difference]: Start difference. First operand 6954 states and 9690 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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) [2022-07-20 00:36:13,710 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 [] [2022-07-20 00:36:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:36:19,378 INFO L93 Difference]: Finished difference Result 8586 states and 12587 transitions. [2022-07-20 00:36:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:36:19,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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 304 [2022-07-20 00:36:19,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:36:19,426 INFO L225 Difference]: With dead ends: 8586 [2022-07-20 00:36:19,426 INFO L226 Difference]: Without dead ends: 8569 [2022-07-20 00:36:19,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:36:19,438 INFO L413 NwaCegarLoop]: 2932 mSDtfsCounter, 5609 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 3700 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6017 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 5568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3700 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:36:19,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6017 Valid, 5636 Invalid, 5568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3700 Valid, 1867 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-07-20 00:36:19,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8569 states. [2022-07-20 00:36:19,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8569 to 6939. [2022-07-20 00:36:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6939 states, 4854 states have (on average 1.3106716110424392) internal successors, (6362), 4944 states have internal predecessors, (6362), 1571 states have call successors, (1571), 499 states have call predecessors, (1571), 513 states have return successors, (1734), 1557 states have call predecessors, (1734), 1566 states have call successors, (1734) [2022-07-20 00:36:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6939 states to 6939 states and 9667 transitions. [2022-07-20 00:36:19,847 INFO L78 Accepts]: Start accepts. Automaton has 6939 states and 9667 transitions. Word has length 304 [2022-07-20 00:36:19,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:36:19,847 INFO L495 AbstractCegarLoop]: Abstraction has 6939 states and 9667 transitions. [2022-07-20 00:36:19,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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) [2022-07-20 00:36:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 6939 states and 9667 transitions. [2022-07-20 00:36:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-20 00:36:19,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:36:19,858 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:36:19,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 00:36:19,858 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:36:19,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:36:19,859 INFO L85 PathProgramCache]: Analyzing trace with hash -368278865, now seen corresponding path program 1 times [2022-07-20 00:36:19,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:36:19,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728999256] [2022-07-20 00:36:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:36:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:36:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:36:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:36:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:36:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:36:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:36:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:36:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:36:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:36:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:36:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:36:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:36:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:36:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:36:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:36:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:36:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:36:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:36:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:36:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:36:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:36:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 00:36:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 00:36:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:36:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 00:36:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:36:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-20 00:36:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2022-07-20 00:36:20,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:36:20,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728999256] [2022-07-20 00:36:20,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728999256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:36:20,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:36:20,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:36:20,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730886536] [2022-07-20 00:36:20,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:36:20,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:36:20,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:36:20,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:36:20,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:36:20,520 INFO L87 Difference]: Start difference. First operand 6939 states and 9667 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:36:23,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:36:25,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:36:27,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:36:29,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:36:43,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:36:43,412 INFO L93 Difference]: Finished difference Result 17823 states and 26141 transitions. [2022-07-20 00:36:43,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:36:43,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 384 [2022-07-20 00:36:43,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:36:43,463 INFO L225 Difference]: With dead ends: 17823 [2022-07-20 00:36:43,464 INFO L226 Difference]: Without dead ends: 10931 [2022-07-20 00:36:43,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:36:43,496 INFO L413 NwaCegarLoop]: 4079 mSDtfsCounter, 5201 mSDsluCounter, 7942 mSDsCounter, 0 mSdLazyCounter, 8426 mSolverCounterSat, 4053 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5350 SdHoareTripleChecker+Valid, 12021 SdHoareTripleChecker+Invalid, 12483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4053 IncrementalHoareTripleChecker+Valid, 8426 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:36:43,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5350 Valid, 12021 Invalid, 12483 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4053 Valid, 8426 Invalid, 4 Unknown, 0 Unchecked, 22.0s Time] [2022-07-20 00:36:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10931 states. [2022-07-20 00:36:43,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10931 to 6947. [2022-07-20 00:36:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6947 states, 4862 states have (on average 1.3101604278074865) internal successors, (6370), 4952 states have internal predecessors, (6370), 1571 states have call successors, (1571), 499 states have call predecessors, (1571), 513 states have return successors, (1734), 1557 states have call predecessors, (1734), 1566 states have call successors, (1734) [2022-07-20 00:36:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6947 states to 6947 states and 9675 transitions. [2022-07-20 00:36:44,018 INFO L78 Accepts]: Start accepts. Automaton has 6947 states and 9675 transitions. Word has length 384 [2022-07-20 00:36:44,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:36:44,019 INFO L495 AbstractCegarLoop]: Abstraction has 6947 states and 9675 transitions. [2022-07-20 00:36:44,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:36:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 6947 states and 9675 transitions. [2022-07-20 00:36:44,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-20 00:36:44,029 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:36:44,029 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:36:44,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 00:36:44,030 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:36:44,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:36:44,031 INFO L85 PathProgramCache]: Analyzing trace with hash 357342111, now seen corresponding path program 1 times [2022-07-20 00:36:44,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:36:44,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380304995] [2022-07-20 00:36:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:36:44,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:36:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:36:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:36:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:36:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:36:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:36:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:36:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:36:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:36:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:36:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:36:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:36:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:36:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:36:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:36:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:36:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:36:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:36:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:36:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:36:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:36:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 00:36:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 00:36:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:36:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:36:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:36:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:36:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 00:36:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 00:36:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:36:44,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2022-07-20 00:36:44,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:36:44,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380304995] [2022-07-20 00:36:44,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380304995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:36:44,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:36:44,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:36:44,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285408597] [2022-07-20 00:36:44,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:36:44,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:36:44,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:36:44,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:36:44,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:36:44,731 INFO L87 Difference]: Start difference. First operand 6947 states and 9675 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:36:47,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:36:49,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:36:51,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:36:53,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:36:55,821 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 [] [2022-07-20 00:37:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:37:15,064 INFO L93 Difference]: Finished difference Result 20229 states and 30178 transitions. [2022-07-20 00:37:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:37:15,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 382 [2022-07-20 00:37:15,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:37:15,124 INFO L225 Difference]: With dead ends: 20229 [2022-07-20 00:37:15,125 INFO L226 Difference]: Without dead ends: 13329 [2022-07-20 00:37:15,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:37:15,152 INFO L413 NwaCegarLoop]: 4380 mSDtfsCounter, 5455 mSDsluCounter, 10392 mSDsCounter, 0 mSdLazyCounter, 11467 mSolverCounterSat, 3306 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5902 SdHoareTripleChecker+Valid, 14772 SdHoareTripleChecker+Invalid, 14778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3306 IncrementalHoareTripleChecker+Valid, 11467 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:37:15,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5902 Valid, 14772 Invalid, 14778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3306 Valid, 11467 Invalid, 5 Unknown, 0 Unchecked, 29.2s Time] [2022-07-20 00:37:15,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13329 states. [2022-07-20 00:37:15,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13329 to 6955. [2022-07-20 00:37:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6955 states, 4870 states have (on average 1.3096509240246406) internal successors, (6378), 4960 states have internal predecessors, (6378), 1571 states have call successors, (1571), 499 states have call predecessors, (1571), 513 states have return successors, (1734), 1557 states have call predecessors, (1734), 1566 states have call successors, (1734) [2022-07-20 00:37:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6955 states to 6955 states and 9683 transitions. [2022-07-20 00:37:15,741 INFO L78 Accepts]: Start accepts. Automaton has 6955 states and 9683 transitions. Word has length 382 [2022-07-20 00:37:15,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:37:15,741 INFO L495 AbstractCegarLoop]: Abstraction has 6955 states and 9683 transitions. [2022-07-20 00:37:15,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:37:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 6955 states and 9683 transitions. [2022-07-20 00:37:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-20 00:37:15,751 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:37:15,751 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:37:15,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 00:37:15,752 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:37:15,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:37:15,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1366074560, now seen corresponding path program 1 times [2022-07-20 00:37:15,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:37:15,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272100174] [2022-07-20 00:37:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:37:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:37:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:37:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:37:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:37:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:37:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:37:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:37:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:37:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:37:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:37:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:37:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:37:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:37:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:37:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:37:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:37:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:37:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:37:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:37:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:37:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:37:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 00:37:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 00:37:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:37:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:37:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-20 00:37:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 00:37:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2022-07-20 00:37:16,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:37:16,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272100174] [2022-07-20 00:37:16,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272100174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:37:16,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:37:16,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:37:16,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154641465] [2022-07-20 00:37:16,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:37:16,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:37:16,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:37:16,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:37:16,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:37:16,327 INFO L87 Difference]: Start difference. First operand 6955 states and 9683 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:37:19,192 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 [] [2022-07-20 00:37:21,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:37:30,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:37:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:37:31,727 INFO L93 Difference]: Finished difference Result 15502 states and 22204 transitions. [2022-07-20 00:37:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:37:31,728 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 385 [2022-07-20 00:37:31,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:37:31,771 INFO L225 Difference]: With dead ends: 15502 [2022-07-20 00:37:31,772 INFO L226 Difference]: Without dead ends: 8594 [2022-07-20 00:37:31,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:37:31,797 INFO L413 NwaCegarLoop]: 2819 mSDtfsCounter, 6060 mSDsluCounter, 2717 mSDsCounter, 0 mSdLazyCounter, 3487 mSolverCounterSat, 4398 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6426 SdHoareTripleChecker+Valid, 5536 SdHoareTripleChecker+Invalid, 7887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4398 IncrementalHoareTripleChecker+Valid, 3487 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:37:31,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6426 Valid, 5536 Invalid, 7887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4398 Valid, 3487 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2022-07-20 00:37:31,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8594 states. [2022-07-20 00:37:32,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8594 to 6955. [2022-07-20 00:37:32,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6955 states, 4870 states have (on average 1.308829568788501) internal successors, (6374), 4960 states have internal predecessors, (6374), 1571 states have call successors, (1571), 499 states have call predecessors, (1571), 513 states have return successors, (1734), 1557 states have call predecessors, (1734), 1566 states have call successors, (1734) [2022-07-20 00:37:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6955 states to 6955 states and 9679 transitions. [2022-07-20 00:37:32,319 INFO L78 Accepts]: Start accepts. Automaton has 6955 states and 9679 transitions. Word has length 385 [2022-07-20 00:37:32,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:37:32,320 INFO L495 AbstractCegarLoop]: Abstraction has 6955 states and 9679 transitions. [2022-07-20 00:37:32,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 00:37:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6955 states and 9679 transitions. [2022-07-20 00:37:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-07-20 00:37:32,329 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:37:32,330 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:37:32,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 00:37:32,330 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:37:32,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:37:32,331 INFO L85 PathProgramCache]: Analyzing trace with hash -221205059, now seen corresponding path program 1 times [2022-07-20 00:37:32,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:37:32,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548797058] [2022-07-20 00:37:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:37:32,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:37:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:37:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:37:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:37:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:37:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:37:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:37:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:37:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:37:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:37:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:37:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:37:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:37:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:37:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:37:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:37:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:37:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:37:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:37:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:37:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 00:37:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-20 00:37:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:37:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:37:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 00:37:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 00:37:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-20 00:37:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:37:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 00:37:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 00:37:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 00:37:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2022-07-20 00:37:33,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:37:33,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548797058] [2022-07-20 00:37:33,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548797058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:37:33,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:37:33,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 00:37:33,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581727061] [2022-07-20 00:37:33,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:37:33,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:37:33,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:37:33,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:37:33,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:37:33,209 INFO L87 Difference]: Start difference. First operand 6955 states and 9679 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (40), 9 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:37:35,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:37:42,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:37:54,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:37:54,362 INFO L93 Difference]: Finished difference Result 25007 states and 36590 transitions. [2022-07-20 00:37:54,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-20 00:37:54,363 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (40), 9 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 394 [2022-07-20 00:37:54,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:37:54,450 INFO L225 Difference]: With dead ends: 25007 [2022-07-20 00:37:54,450 INFO L226 Difference]: Without dead ends: 18099 [2022-07-20 00:37:54,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2022-07-20 00:37:54,479 INFO L413 NwaCegarLoop]: 4426 mSDtfsCounter, 9753 mSDsluCounter, 6805 mSDsCounter, 0 mSdLazyCounter, 7580 mSolverCounterSat, 7978 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10389 SdHoareTripleChecker+Valid, 11231 SdHoareTripleChecker+Invalid, 15560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7978 IncrementalHoareTripleChecker+Valid, 7580 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:37:54,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10389 Valid, 11231 Invalid, 15560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7978 Valid, 7580 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2022-07-20 00:37:54,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2022-07-20 00:37:55,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 14087. [2022-07-20 00:37:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14087 states, 9897 states have (on average 1.3116095786602) internal successors, (12981), 10078 states have internal predecessors, (12981), 3150 states have call successors, (3150), 986 states have call predecessors, (3150), 1039 states have return successors, (3546), 3152 states have call predecessors, (3546), 3145 states have call successors, (3546) [2022-07-20 00:37:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14087 states to 14087 states and 19677 transitions. [2022-07-20 00:37:55,645 INFO L78 Accepts]: Start accepts. Automaton has 14087 states and 19677 transitions. Word has length 394 [2022-07-20 00:37:55,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:37:55,645 INFO L495 AbstractCegarLoop]: Abstraction has 14087 states and 19677 transitions. [2022-07-20 00:37:55,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (40), 9 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:37:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 14087 states and 19677 transitions. [2022-07-20 00:37:55,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-07-20 00:37:55,654 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:37:55,654 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:37:55,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 00:37:55,654 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:37:55,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:37:55,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1201958845, now seen corresponding path program 1 times [2022-07-20 00:37:55,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:37:55,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99022067] [2022-07-20 00:37:55,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:37:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:37:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:37:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:37:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:37:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:37:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:37:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:37:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:37:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:37:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:37:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:37:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:37:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:37:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:37:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:37:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:37:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:37:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:37:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:37:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:37:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:37:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:37:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 00:37:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 00:37:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:37:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-20 00:37:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 00:37:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:37:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 00:37:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 00:37:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-20 00:37:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:37:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:37:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:37:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-20 00:37:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 00:37:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:37:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2022-07-20 00:37:56,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:37:56,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99022067] [2022-07-20 00:37:56,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99022067] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:37:56,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:37:56,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-20 00:37:56,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555758521] [2022-07-20 00:37:56,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:37:56,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:37:56,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:37:56,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:37:56,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:37:56,489 INFO L87 Difference]: Start difference. First operand 14087 states and 19677 transitions. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (45), 9 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-20 00:37:59,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:38:01,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:38:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:38:14,958 INFO L93 Difference]: Finished difference Result 31055 states and 44981 transitions. [2022-07-20 00:38:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-20 00:38:14,958 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (45), 9 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 404 [2022-07-20 00:38:14,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:38:15,011 INFO L225 Difference]: With dead ends: 31055 [2022-07-20 00:38:15,011 INFO L226 Difference]: Without dead ends: 17015 [2022-07-20 00:38:15,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2022-07-20 00:38:15,048 INFO L413 NwaCegarLoop]: 2987 mSDtfsCounter, 6402 mSDsluCounter, 7846 mSDsCounter, 0 mSdLazyCounter, 8358 mSolverCounterSat, 4658 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6760 SdHoareTripleChecker+Valid, 10833 SdHoareTripleChecker+Invalid, 13018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4658 IncrementalHoareTripleChecker+Valid, 8358 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:38:15,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6760 Valid, 10833 Invalid, 13018 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4658 Valid, 8358 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2022-07-20 00:38:15,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17015 states. [2022-07-20 00:38:15,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17015 to 14209. [2022-07-20 00:38:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14209 states, 9993 states have (on average 1.3104172921044732) internal successors, (13095), 10177 states have internal predecessors, (13095), 3162 states have call successors, (3162), 997 states have call predecessors, (3162), 1053 states have return successors, (3573), 3164 states have call predecessors, (3573), 3157 states have call successors, (3573)