./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 06:30:24,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 06:30:24,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 06:30:24,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 06:30:24,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 06:30:24,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 06:30:24,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 06:30:24,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 06:30:24,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 06:30:24,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 06:30:24,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 06:30:24,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 06:30:24,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 06:30:24,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 06:30:24,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 06:30:24,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 06:30:24,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 06:30:24,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 06:30:24,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 06:30:24,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 06:30:24,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 06:30:24,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 06:30:24,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 06:30:24,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 06:30:24,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 06:30:24,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 06:30:24,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 06:30:24,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 06:30:24,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 06:30:24,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 06:30:24,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 06:30:24,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 06:30:24,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 06:30:24,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 06:30:24,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 06:30:24,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 06:30:24,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 06:30:24,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 06:30:24,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 06:30:24,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 06:30:24,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 06:30:24,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 06:30:24,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 06:30:24,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 06:30:24,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 06:30:24,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 06:30:24,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 06:30:24,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 06:30:24,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 06:30:24,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 06:30:24,591 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 06:30:24,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 06:30:24,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 06:30:24,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 06:30:24,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 06:30:24,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 06:30:24,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 06:30:24,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 06:30:24,593 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 06:30:24,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 06:30:24,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 06:30:24,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 06:30:24,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 06:30:24,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:30:24,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 06:30:24,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 06:30:24,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 06:30:24,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 06:30:24,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 06:30:24,595 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 06:30:24,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 06:30:24,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 06:30:24,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 06:30:24,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bf0b457d4d5112c0b99aeef3b038fb34481370a385df3d77d1a982d2cba2ad [2021-12-18 06:30:24,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 06:30:24,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 06:30:24,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 06:30:24,810 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 06:30:24,810 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 06:30:24,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2021-12-18 06:30:24,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfad49414/d6c13e1f65414ec29146f1a8caef7cda/FLAGee06caa42 [2021-12-18 06:30:25,474 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 06:30:25,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2021-12-18 06:30:25,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfad49414/d6c13e1f65414ec29146f1a8caef7cda/FLAGee06caa42 [2021-12-18 06:30:25,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfad49414/d6c13e1f65414ec29146f1a8caef7cda [2021-12-18 06:30:25,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 06:30:25,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 06:30:25,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 06:30:25,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 06:30:25,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 06:30:25,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:30:25" (1/1) ... [2021-12-18 06:30:25,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ba97f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:25, skipping insertion in model container [2021-12-18 06:30:25,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:30:25" (1/1) ... [2021-12-18 06:30:25,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 06:30:25,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 06:30:28,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i[348806,348819] [2021-12-18 06:30:28,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:30:28,361 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 06:30:28,714 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] [2021-12-18 06:30:28,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:30:28,852 INFO L208 MainTranslator]: Completed translation [2021-12-18 06:30:28,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28 WrapperNode [2021-12-18 06:30:28,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 06:30:28,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 06:30:28,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 06:30:28,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 06:30:28,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:28,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,138 INFO L137 Inliner]: procedures = 566, calls = 3591, calls flagged for inlining = 221, calls inlined = 180, statements flattened = 6315 [2021-12-18 06:30:29,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 06:30:29,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 06:30:29,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 06:30:29,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 06:30:29,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 06:30:29,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 06:30:29,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 06:30:29,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 06:30:29,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (1/1) ... [2021-12-18 06:30:29,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:30:29,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:30:29,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 06:30:29,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 06:30:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 06:30:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 06:30:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-18 06:30:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-18 06:30:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 06:30:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 06:30:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-18 06:30:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-18 06:30:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 06:30:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 06:30:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2021-12-18 06:30:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2021-12-18 06:30:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2021-12-18 06:30:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2021-12-18 06:30:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 06:30:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 06:30:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2021-12-18 06:30:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2021-12-18 06:30:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 06:30:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 06:30:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2021-12-18 06:30:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2021-12-18 06:30:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 06:30:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 06:30:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2021-12-18 06:30:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2021-12-18 06:30:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2021-12-18 06:30:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2021-12-18 06:30:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2021-12-18 06:30:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2021-12-18 06:30:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-18 06:30:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-18 06:30:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 06:30:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 06:30:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-12-18 06:30:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-12-18 06:30:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2021-12-18 06:30:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2021-12-18 06:30:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 06:30:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 06:30:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2021-12-18 06:30:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2021-12-18 06:30:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2021-12-18 06:30:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2021-12-18 06:30:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 06:30:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 06:30:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-18 06:30:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-18 06:30:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2021-12-18 06:30:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2021-12-18 06:30:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 06:30:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 06:30:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 06:30:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 06:30:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 06:30:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 06:30:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2021-12-18 06:30:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2021-12-18 06:30:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 06:30:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-18 06:30:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-18 06:30:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2021-12-18 06:30:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2021-12-18 06:30:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 06:30:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 06:30:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-18 06:30:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-18 06:30:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 06:30:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 06:30:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2021-12-18 06:30:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2021-12-18 06:30:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2021-12-18 06:30:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2021-12-18 06:30:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 06:30:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 06:30:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2021-12-18 06:30:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2021-12-18 06:30:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 06:30:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 06:30:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 06:30:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 06:30:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 06:30:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 06:30:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 06:30:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 06:30:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 06:30:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2021-12-18 06:30:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2021-12-18 06:30:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2021-12-18 06:30:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reset_lock_of_NOT_ARG_SIGN [2021-12-18 06:30:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2021-12-18 06:30:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2021-12-18 06:30:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-18 06:30:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-18 06:30:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 06:30:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 06:30:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 06:30:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 06:30:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 06:30:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 06:30:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2021-12-18 06:30:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2021-12-18 06:30:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure card_event_handler [2021-12-18 06:30:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure card_event_handler [2021-12-18 06:30:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 06:30:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 06:30:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 06:30:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 06:30:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 06:30:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 06:30:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-18 06:30:29,544 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-18 06:30:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2021-12-18 06:30:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2021-12-18 06:30:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 06:30:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-12-18 06:30:29,545 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-12-18 06:30:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-18 06:30:29,546 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-18 06:30:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 06:30:29,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 06:30:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 06:30:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-12-18 06:30:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-12-18 06:30:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 06:30:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 06:30:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 06:30:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-18 06:30:29,553 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-18 06:30:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2021-12-18 06:30:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2021-12-18 06:30:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 06:30:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 06:30:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2021-12-18 06:30:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2021-12-18 06:30:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-18 06:30:29,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-18 06:30:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 06:30:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 06:30:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 06:30:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 06:30:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 06:30:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 06:30:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2021-12-18 06:30:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2021-12-18 06:30:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2021-12-18 06:30:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2021-12-18 06:30:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2021-12-18 06:30:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2021-12-18 06:30:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-18 06:30:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_dev_lock_of_rsxx_cardinfo [2021-12-18 06:30:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 06:30:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 06:30:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 06:30:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 06:30:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 06:30:29,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 06:30:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 06:30:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 06:30:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 06:30:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 06:30:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2021-12-18 06:30:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2021-12-18 06:30:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2021-12-18 06:30:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reset_lock_of_NOT_ARG_SIGN [2021-12-18 06:30:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-18 06:30:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-18 06:30:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 06:30:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 06:30:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-18 06:30:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-18 06:30:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-18 06:30:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-18 06:30:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-18 06:30:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_dev_lock_of_rsxx_cardinfo [2021-12-18 06:30:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-18 06:30:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-18 06:30:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_9 [2021-12-18 06:30:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_9 [2021-12-18 06:30:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 06:30:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 06:30:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 06:30:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 06:30:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-18 06:30:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-18 06:30:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2021-12-18 06:30:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2021-12-18 06:30:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 06:30:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 06:30:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 06:30:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 06:30:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 06:30:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 06:30:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-18 06:30:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-18 06:30:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 06:30:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 06:30:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2021-12-18 06:30:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2021-12-18 06:30:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2021-12-18 06:30:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2021-12-18 06:30:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 06:30:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 06:30:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 06:30:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 06:30:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 06:30:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 06:30:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 06:30:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 06:30:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2021-12-18 06:30:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2021-12-18 06:30:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-18 06:30:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-18 06:30:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 06:30:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2021-12-18 06:30:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2021-12-18 06:30:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-18 06:30:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-18 06:30:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 06:30:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 06:30:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 06:30:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 06:30:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 06:30:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 06:30:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 06:30:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 06:30:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2021-12-18 06:30:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2021-12-18 06:30:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 06:30:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 06:30:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 06:30:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 06:30:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 06:30:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 06:30:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-18 06:30:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-18 06:30:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_6 [2021-12-18 06:30:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_6 [2021-12-18 06:30:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 06:30:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 06:30:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2021-12-18 06:30:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2021-12-18 06:30:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2021-12-18 06:30:29,566 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2021-12-18 06:30:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2021-12-18 06:30:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2021-12-18 06:30:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 06:30:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 06:30:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2021-12-18 06:30:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2021-12-18 06:30:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 06:30:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 06:30:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-18 06:30:29,570 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-18 06:30:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 06:30:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-18 06:30:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-18 06:30:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-18 06:30:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-18 06:30:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2021-12-18 06:30:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2021-12-18 06:30:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 06:30:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 06:30:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 06:30:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 06:30:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-18 06:30:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-18 06:30:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2021-12-18 06:30:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2021-12-18 06:30:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 06:30:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 06:30:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 06:30:29,573 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 06:30:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_done [2021-12-18 06:30:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_done [2021-12-18 06:30:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 06:30:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 06:30:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-18 06:30:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-18 06:30:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2021-12-18 06:30:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2021-12-18 06:30:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 06:30:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 06:30:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2021-12-18 06:30:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2021-12-18 06:30:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-12-18 06:30:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-12-18 06:30:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-18 06:30:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-18 06:30:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2021-12-18 06:30:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2021-12-18 06:30:29,575 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-18 06:30:29,575 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-18 06:30:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 06:30:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 06:30:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 06:30:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 06:30:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-18 06:30:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-18 06:30:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 06:30:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 06:30:29,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 06:30:29,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 06:30:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2021-12-18 06:30:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2021-12-18 06:30:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2021-12-18 06:30:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2021-12-18 06:30:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 06:30:29,577 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-18 06:30:29,577 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-18 06:30:30,440 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 06:30:30,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 06:30:30,539 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 06:30:36,610 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 06:30:36,641 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 06:30:36,645 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 06:30:36,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:30:36 BoogieIcfgContainer [2021-12-18 06:30:36,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 06:30:36,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 06:30:36,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 06:30:36,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 06:30:36,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:30:25" (1/3) ... [2021-12-18 06:30:36,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b8f43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:30:36, skipping insertion in model container [2021-12-18 06:30:36,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:30:28" (2/3) ... [2021-12-18 06:30:36,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b8f43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:30:36, skipping insertion in model container [2021-12-18 06:30:36,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:30:36" (3/3) ... [2021-12-18 06:30:36,665 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--block--rsxx--rsxx.ko-entry_point.cil.out.i [2021-12-18 06:30:36,669 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 06:30:36,669 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 06:30:36,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 06:30:36,715 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 06:30:36,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 06:30:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 2234 states, 1535 states have (on average 1.3179153094462541) internal successors, (2023), 1583 states have internal predecessors, (2023), 551 states have call successors, (551), 147 states have call predecessors, (551), 146 states have return successors, (540), 538 states have call predecessors, (540), 540 states have call successors, (540) [2021-12-18 06:30:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-18 06:30:36,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:30:36,794 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:30:36,794 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:30:36,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:30:36,799 INFO L85 PathProgramCache]: Analyzing trace with hash 638574124, now seen corresponding path program 1 times [2021-12-18 06:30:36,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:30:36,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199498250] [2021-12-18 06:30:36,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:30:36,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:30:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:30:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:30:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:30:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:30:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:30:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:30:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:30:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:30:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:30:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:30:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:30:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:30:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:30:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:30:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:30:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:30:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:30:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:30:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:30:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 06:30:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-18 06:30:37,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:30:37,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199498250] [2021-12-18 06:30:37,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199498250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:30:37,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:30:37,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 06:30:37,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915090598] [2021-12-18 06:30:37,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:30:37,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 06:30:37,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:30:37,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 06:30:37,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:30:37,836 INFO L87 Difference]: Start difference. First operand has 2234 states, 1535 states have (on average 1.3179153094462541) internal successors, (2023), 1583 states have internal predecessors, (2023), 551 states have call successors, (551), 147 states have call predecessors, (551), 146 states have return successors, (540), 538 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 06:30:40,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:30:42,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:30:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:30:47,746 INFO L93 Difference]: Finished difference Result 4764 states and 6922 transitions. [2021-12-18 06:30:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 06:30:47,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 291 [2021-12-18 06:30:47,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:30:47,770 INFO L225 Difference]: With dead ends: 4764 [2021-12-18 06:30:47,770 INFO L226 Difference]: Without dead ends: 2515 [2021-12-18 06:30:47,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:30:47,784 INFO L933 BasicCegarLoop]: 2999 mSDtfsCounter, 1391 mSDsluCounter, 2623 mSDsCounter, 0 mSdLazyCounter, 1850 mSolverCounterSat, 1473 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 5622 SdHoareTripleChecker+Invalid, 3325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1473 IncrementalHoareTripleChecker+Valid, 1850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-12-18 06:30:47,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1413 Valid, 5622 Invalid, 3325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1473 Valid, 1850 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2021-12-18 06:30:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2021-12-18 06:30:47,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2214. [2021-12-18 06:30:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 1528 states have (on average 1.3089005235602094) internal successors, (2000), 1563 states have internal predecessors, (2000), 540 states have call successors, (540), 146 states have call predecessors, (540), 145 states have return successors, (530), 528 states have call predecessors, (530), 530 states have call successors, (530) [2021-12-18 06:30:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3070 transitions. [2021-12-18 06:30:47,928 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3070 transitions. Word has length 291 [2021-12-18 06:30:47,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:30:47,930 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 3070 transitions. [2021-12-18 06:30:47,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 06:30:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3070 transitions. [2021-12-18 06:30:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-18 06:30:47,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:30:47,939 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:30:47,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 06:30:47,939 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:30:47,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:30:47,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1382787271, now seen corresponding path program 1 times [2021-12-18 06:30:47,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:30:47,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029518436] [2021-12-18 06:30:47,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:30:47,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:30:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:30:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:30:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:30:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:30:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:30:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:30:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:30:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:30:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:30:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:30:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:30:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:30:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:30:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:30:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:30:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:30:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:30:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:30:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:30:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:30:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-18 06:30:48,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:30:48,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029518436] [2021-12-18 06:30:48,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029518436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:30:48,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:30:48,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:30:48,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806901804] [2021-12-18 06:30:48,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:30:48,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:30:48,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:30:48,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:30:48,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:30:48,492 INFO L87 Difference]: Start difference. First operand 2214 states and 3070 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 06:30:50,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:30:53,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:30:58,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:30:58,895 INFO L93 Difference]: Finished difference Result 6158 states and 8659 transitions. [2021-12-18 06:30:58,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:30:58,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 292 [2021-12-18 06:30:58,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:30:58,950 INFO L225 Difference]: With dead ends: 6158 [2021-12-18 06:30:58,950 INFO L226 Difference]: Without dead ends: 3991 [2021-12-18 06:30:58,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:30:58,987 INFO L933 BasicCegarLoop]: 3177 mSDtfsCounter, 4976 mSDsluCounter, 3882 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 3462 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5183 SdHoareTripleChecker+Valid, 7059 SdHoareTripleChecker+Invalid, 5512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3462 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:30:58,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5183 Valid, 7059 Invalid, 5512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3462 Valid, 2048 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2021-12-18 06:30:58,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3991 states. [2021-12-18 06:30:59,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3991 to 3491. [2021-12-18 06:30:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3491 states, 2435 states have (on average 1.31088295687885) internal successors, (3192), 2480 states have internal predecessors, (3192), 805 states have call successors, (805), 251 states have call predecessors, (805), 250 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-18 06:30:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4792 transitions. [2021-12-18 06:30:59,160 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4792 transitions. Word has length 292 [2021-12-18 06:30:59,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:30:59,174 INFO L470 AbstractCegarLoop]: Abstraction has 3491 states and 4792 transitions. [2021-12-18 06:30:59,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 06:30:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4792 transitions. [2021-12-18 06:30:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-12-18 06:30:59,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:30:59,182 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:30:59,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 06:30:59,184 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:30:59,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:30:59,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1431688040, now seen corresponding path program 1 times [2021-12-18 06:30:59,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:30:59,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417203943] [2021-12-18 06:30:59,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:30:59,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:30:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:30:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:30:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:30:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:30:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:30:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:30:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:30:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:30:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:30:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:30:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:30:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:30:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:30:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:30:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:30:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:30:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:30:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:30:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:30:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:30:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:30:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:30:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:30:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-18 06:30:59,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:30:59,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417203943] [2021-12-18 06:30:59,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417203943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:30:59,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:30:59,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:30:59,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991467897] [2021-12-18 06:30:59,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:30:59,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:30:59,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:30:59,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:30:59,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:30:59,872 INFO L87 Difference]: Start difference. First operand 3491 states and 4792 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:31:02,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:07,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:31:07,675 INFO L93 Difference]: Finished difference Result 4313 states and 6246 transitions. [2021-12-18 06:31:07,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 06:31:07,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 299 [2021-12-18 06:31:07,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:31:07,695 INFO L225 Difference]: With dead ends: 4313 [2021-12-18 06:31:07,695 INFO L226 Difference]: Without dead ends: 4309 [2021-12-18 06:31:07,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:31:07,701 INFO L933 BasicCegarLoop]: 2922 mSDtfsCounter, 5543 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 3713 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5944 SdHoareTripleChecker+Valid, 5656 SdHoareTripleChecker+Invalid, 5560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3713 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:31:07,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5944 Valid, 5656 Invalid, 5560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3713 Valid, 1846 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-12-18 06:31:07,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2021-12-18 06:31:07,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 3492. [2021-12-18 06:31:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3492 states, 2437 states have (on average 1.3098071399261386) internal successors, (3192), 2480 states have internal predecessors, (3192), 803 states have call successors, (803), 252 states have call predecessors, (803), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-18 06:31:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 4790 transitions. [2021-12-18 06:31:07,815 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 4790 transitions. Word has length 299 [2021-12-18 06:31:07,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:31:07,816 INFO L470 AbstractCegarLoop]: Abstraction has 3492 states and 4790 transitions. [2021-12-18 06:31:07,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:31:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 4790 transitions. [2021-12-18 06:31:07,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-18 06:31:07,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:31:07,820 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:31:07,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 06:31:07,820 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:31:07,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:31:07,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1433506857, now seen corresponding path program 1 times [2021-12-18 06:31:07,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:31:07,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631688673] [2021-12-18 06:31:07,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:31:07,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:31:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:31:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:31:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:31:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:31:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:31:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:31:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:31:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:31:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:31:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:31:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:31:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:31:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:31:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:31:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:31:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:31:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:31:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:31:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:31:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:31:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-18 06:31:08,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:31:08,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631688673] [2021-12-18 06:31:08,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631688673] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:31:08,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:31:08,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:31:08,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322726204] [2021-12-18 06:31:08,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:31:08,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:31:08,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:31:08,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:31:08,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:31:08,384 INFO L87 Difference]: Start difference. First operand 3492 states and 4790 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:31:10,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:16,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:31:16,078 INFO L93 Difference]: Finished difference Result 4309 states and 6241 transitions. [2021-12-18 06:31:16,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:31:16,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 300 [2021-12-18 06:31:16,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:31:16,122 INFO L225 Difference]: With dead ends: 4309 [2021-12-18 06:31:16,123 INFO L226 Difference]: Without dead ends: 4306 [2021-12-18 06:31:16,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:31:16,130 INFO L933 BasicCegarLoop]: 2939 mSDtfsCounter, 5578 mSDsluCounter, 2701 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 3736 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5987 SdHoareTripleChecker+Valid, 5640 SdHoareTripleChecker+Invalid, 5572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3736 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:31:16,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5987 Valid, 5640 Invalid, 5572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3736 Valid, 1835 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-12-18 06:31:16,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4306 states. [2021-12-18 06:31:16,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4306 to 3491. [2021-12-18 06:31:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3491 states, 2437 states have (on average 1.309396799343455) internal successors, (3191), 2479 states have internal predecessors, (3191), 802 states have call successors, (802), 252 states have call predecessors, (802), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-18 06:31:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 4788 transitions. [2021-12-18 06:31:16,395 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 4788 transitions. Word has length 300 [2021-12-18 06:31:16,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:31:16,398 INFO L470 AbstractCegarLoop]: Abstraction has 3491 states and 4788 transitions. [2021-12-18 06:31:16,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:31:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4788 transitions. [2021-12-18 06:31:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-18 06:31:16,402 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:31:16,402 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:31:16,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 06:31:16,403 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:31:16,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:31:16,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1489885317, now seen corresponding path program 1 times [2021-12-18 06:31:16,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:31:16,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711066865] [2021-12-18 06:31:16,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:31:16,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:31:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:31:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:31:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:31:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:31:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:31:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:31:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:31:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:31:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:31:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:31:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:31:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:31:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:31:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:31:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:31:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:31:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:31:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:31:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:31:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:31:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-18 06:31:16,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:31:16,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711066865] [2021-12-18 06:31:16,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711066865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:31:16,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:31:16,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:31:16,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146920101] [2021-12-18 06:31:16,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:31:16,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:31:16,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:31:16,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:31:16,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:31:16,985 INFO L87 Difference]: Start difference. First operand 3491 states and 4788 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:31:19,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:24,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:31:24,022 INFO L93 Difference]: Finished difference Result 4308 states and 6239 transitions. [2021-12-18 06:31:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:31:24,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 301 [2021-12-18 06:31:24,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:31:24,060 INFO L225 Difference]: With dead ends: 4308 [2021-12-18 06:31:24,060 INFO L226 Difference]: Without dead ends: 4305 [2021-12-18 06:31:24,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:31:24,064 INFO L933 BasicCegarLoop]: 2917 mSDtfsCounter, 5578 mSDsluCounter, 2692 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 3747 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5993 SdHoareTripleChecker+Valid, 5609 SdHoareTripleChecker+Invalid, 5577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3747 IncrementalHoareTripleChecker+Valid, 1829 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-18 06:31:24,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5993 Valid, 5609 Invalid, 5577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3747 Valid, 1829 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2021-12-18 06:31:24,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4305 states. [2021-12-18 06:31:24,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4305 to 3490. [2021-12-18 06:31:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2437 states have (on average 1.3089864587607714) internal successors, (3190), 2478 states have internal predecessors, (3190), 801 states have call successors, (801), 252 states have call predecessors, (801), 251 states have return successors, (795), 791 states have call predecessors, (795), 795 states have call successors, (795) [2021-12-18 06:31:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 4786 transitions. [2021-12-18 06:31:24,263 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 4786 transitions. Word has length 301 [2021-12-18 06:31:24,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:31:24,264 INFO L470 AbstractCegarLoop]: Abstraction has 3490 states and 4786 transitions. [2021-12-18 06:31:24,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:31:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 4786 transitions. [2021-12-18 06:31:24,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-18 06:31:24,281 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:31:24,281 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:31:24,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 06:31:24,281 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:31:24,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:31:24,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1057354586, now seen corresponding path program 1 times [2021-12-18 06:31:24,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:31:24,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027379252] [2021-12-18 06:31:24,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:31:24,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:31:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:31:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:31:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:31:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:31:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:31:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:31:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:31:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:31:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:31:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:31:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:31:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:31:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:31:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:31:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:31:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:31:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:31:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:31:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:31:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:31:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-18 06:31:24,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:31:24,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027379252] [2021-12-18 06:31:24,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027379252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:31:24,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:31:24,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:31:24,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704001492] [2021-12-18 06:31:24,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:31:24,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:31:24,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:31:24,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:31:24,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:31:24,792 INFO L87 Difference]: Start difference. First operand 3490 states and 4786 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 06:31:27,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:29,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:31,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:38,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:31:38,860 INFO L93 Difference]: Finished difference Result 4307 states and 6237 transitions. [2021-12-18 06:31:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:31:38,861 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 [2021-12-18 06:31:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:31:38,907 INFO L225 Difference]: With dead ends: 4307 [2021-12-18 06:31:38,914 INFO L226 Difference]: Without dead ends: 4304 [2021-12-18 06:31:38,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:31:38,923 INFO L933 BasicCegarLoop]: 2925 mSDtfsCounter, 4306 mSDsluCounter, 5174 mSDsCounter, 0 mSdLazyCounter, 3804 mSolverCounterSat, 2208 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4721 SdHoareTripleChecker+Valid, 8099 SdHoareTripleChecker+Invalid, 6015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2208 IncrementalHoareTripleChecker+Valid, 3804 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:31:38,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4721 Valid, 8099 Invalid, 6015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2208 Valid, 3804 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2021-12-18 06:31:39,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2021-12-18 06:31:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 3489. [2021-12-18 06:31:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 2437 states have (on average 1.3085761181780877) internal successors, (3189), 2477 states have internal predecessors, (3189), 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) [2021-12-18 06:31:39,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4784 transitions. [2021-12-18 06:31:39,168 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4784 transitions. Word has length 302 [2021-12-18 06:31:39,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:31:39,168 INFO L470 AbstractCegarLoop]: Abstraction has 3489 states and 4784 transitions. [2021-12-18 06:31:39,169 INFO L471 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) [2021-12-18 06:31:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4784 transitions. [2021-12-18 06:31:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-18 06:31:39,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:31:39,172 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:31:39,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 06:31:39,173 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:31:39,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:31:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1582582178, now seen corresponding path program 1 times [2021-12-18 06:31:39,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:31:39,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042005994] [2021-12-18 06:31:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:31:39,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:31:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:31:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:31:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:31:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:31:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:31:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:31:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:31:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:31:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:31:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:31:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:31:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:31:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:31:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:31:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:31:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:31:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:31:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:31:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:31:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:31:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:31:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:31:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:31:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-18 06:31:39,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:31:39,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042005994] [2021-12-18 06:31:39,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042005994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:31:39,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:31:39,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:31:39,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171674509] [2021-12-18 06:31:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:31:39,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:31:39,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:31:39,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:31:39,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:31:39,765 INFO L87 Difference]: Start difference. First operand 3489 states and 4784 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) [2021-12-18 06:31:42,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:44,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:47,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:31:52,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 06:31:54,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 06:32:04,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:32:04,696 INFO L93 Difference]: Finished difference Result 11974 states and 17360 transitions. [2021-12-18 06:32:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:32:04,697 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 [2021-12-18 06:32:04,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:32:04,760 INFO L225 Difference]: With dead ends: 11974 [2021-12-18 06:32:04,760 INFO L226 Difference]: Without dead ends: 8532 [2021-12-18 06:32:04,778 INFO L932 BasicCegarLoop]: 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 [2021-12-18 06:32:04,779 INFO L933 BasicCegarLoop]: 4192 mSDtfsCounter, 5545 mSDsluCounter, 9609 mSDsCounter, 0 mSdLazyCounter, 7374 mSolverCounterSat, 3286 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 13801 SdHoareTripleChecker+Invalid, 10665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3286 IncrementalHoareTripleChecker+Valid, 7374 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:32:04,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6050 Valid, 13801 Invalid, 10665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3286 Valid, 7374 Invalid, 5 Unknown, 0 Unchecked, 24.3s Time] [2021-12-18 06:32:04,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8532 states. [2021-12-18 06:32:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8532 to 6934. [2021-12-18 06:32:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6934 states, 4845 states have (on average 1.3098039215686275) internal successors, (6346), 4936 states have internal predecessors, (6346), 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) [2021-12-18 06:32:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6934 states to 6934 states and 9658 transitions. [2021-12-18 06:32:05,091 INFO L78 Accepts]: Start accepts. Automaton has 6934 states and 9658 transitions. Word has length 303 [2021-12-18 06:32:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:32:05,092 INFO L470 AbstractCegarLoop]: Abstraction has 6934 states and 9658 transitions. [2021-12-18 06:32:05,092 INFO L471 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) [2021-12-18 06:32:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 6934 states and 9658 transitions. [2021-12-18 06:32:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-18 06:32:05,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:32:05,095 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:32:05,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 06:32:05,095 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:32:05,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:32:05,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1816238371, now seen corresponding path program 1 times [2021-12-18 06:32:05,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:32:05,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740766425] [2021-12-18 06:32:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:32:05,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:32:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:32:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:32:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:32:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:32:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:32:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:32:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:32:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:32:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:32:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:32:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:32:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:32:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:32:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:32:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:32:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:32:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:32:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:32:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:32:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:32:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-12-18 06:32:05,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:32:05,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740766425] [2021-12-18 06:32:05,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740766425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:32:05,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:32:05,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:32:05,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22988707] [2021-12-18 06:32:05,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:32:05,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:32:05,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:32:05,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:32:05,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:32:05,548 INFO L87 Difference]: Start difference. First operand 6934 states and 9658 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) [2021-12-18 06:32:07,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:12,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:32:12,722 INFO L93 Difference]: Finished difference Result 8526 states and 12491 transitions. [2021-12-18 06:32:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 06:32:12,723 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 [2021-12-18 06:32:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:32:12,774 INFO L225 Difference]: With dead ends: 8526 [2021-12-18 06:32:12,774 INFO L226 Difference]: Without dead ends: 8509 [2021-12-18 06:32:12,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:32:12,781 INFO L933 BasicCegarLoop]: 2919 mSDtfsCounter, 4985 mSDsluCounter, 2769 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 3013 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5396 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 4931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3013 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:32:12,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5396 Valid, 5688 Invalid, 4931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3013 Valid, 1917 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2021-12-18 06:32:12,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8509 states. [2021-12-18 06:32:12,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8509 to 6919. [2021-12-18 06:32:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6919 states, 4834 states have (on average 1.3094745552337608) internal successors, (6330), 4924 states have internal predecessors, (6330), 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) [2021-12-18 06:32:13,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6919 states to 6919 states and 9635 transitions. [2021-12-18 06:32:13,013 INFO L78 Accepts]: Start accepts. Automaton has 6919 states and 9635 transitions. Word has length 304 [2021-12-18 06:32:13,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:32:13,014 INFO L470 AbstractCegarLoop]: Abstraction has 6919 states and 9635 transitions. [2021-12-18 06:32:13,014 INFO L471 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) [2021-12-18 06:32:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6919 states and 9635 transitions. [2021-12-18 06:32:13,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 06:32:13,021 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:32:13,022 INFO L514 BasicCegarLoop]: 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] [2021-12-18 06:32:13,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 06:32:13,022 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:32:13,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:32:13,022 INFO L85 PathProgramCache]: Analyzing trace with hash -136958972, now seen corresponding path program 1 times [2021-12-18 06:32:13,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:32:13,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930455409] [2021-12-18 06:32:13,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:32:13,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:32:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:32:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:32:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:32:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:32:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:32:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:32:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:32:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:32:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:32:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:32:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:32:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:32:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:32:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:32:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:32:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:32:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:32:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:32:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:32:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:32:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:32:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 06:32:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:32:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:32:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 06:32:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-18 06:32:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-12-18 06:32:13,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:32:13,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930455409] [2021-12-18 06:32:13,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930455409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:32:13,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:32:13,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:32:13,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706465232] [2021-12-18 06:32:13,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:32:13,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:32:13,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:32:13,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:32:13,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:32:13,641 INFO L87 Difference]: Start difference. First operand 6919 states and 9635 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 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) [2021-12-18 06:32:16,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:18,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:20,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:22,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:24,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:32:41,795 INFO L93 Difference]: Finished difference Result 17743 states and 26013 transitions. [2021-12-18 06:32:41,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 06:32:41,796 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 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 [2021-12-18 06:32:41,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:32:41,870 INFO L225 Difference]: With dead ends: 17743 [2021-12-18 06:32:41,870 INFO L226 Difference]: Without dead ends: 10871 [2021-12-18 06:32:41,907 INFO L932 BasicCegarLoop]: 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 [2021-12-18 06:32:41,908 INFO L933 BasicCegarLoop]: 4033 mSDtfsCounter, 4473 mSDsluCounter, 12095 mSDsCounter, 0 mSdLazyCounter, 10501 mSolverCounterSat, 3293 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4621 SdHoareTripleChecker+Valid, 16128 SdHoareTripleChecker+Invalid, 13799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3293 IncrementalHoareTripleChecker+Valid, 10501 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:32:41,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4621 Valid, 16128 Invalid, 13799 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3293 Valid, 10501 Invalid, 5 Unknown, 0 Unchecked, 27.3s Time] [2021-12-18 06:32:41,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10871 states. [2021-12-18 06:32:42,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10871 to 6927. [2021-12-18 06:32:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6927 states, 4842 states have (on average 1.3089632383312682) internal successors, (6338), 4932 states have internal predecessors, (6338), 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) [2021-12-18 06:32:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6927 states to 6927 states and 9643 transitions. [2021-12-18 06:32:42,419 INFO L78 Accepts]: Start accepts. Automaton has 6927 states and 9643 transitions. Word has length 385 [2021-12-18 06:32:42,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:32:42,420 INFO L470 AbstractCegarLoop]: Abstraction has 6927 states and 9643 transitions. [2021-12-18 06:32:42,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 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) [2021-12-18 06:32:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 6927 states and 9643 transitions. [2021-12-18 06:32:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 06:32:42,433 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:32:42,433 INFO L514 BasicCegarLoop]: 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] [2021-12-18 06:32:42,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 06:32:42,433 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:32:42,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:32:42,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1976183972, now seen corresponding path program 1 times [2021-12-18 06:32:42,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:32:42,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854588844] [2021-12-18 06:32:42,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:32:42,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:32:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:32:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:32:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:32:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:32:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:32:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:32:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:32:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:32:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:32:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:32:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:32:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:32:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:32:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:32:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:32:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:32:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:32:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:32:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:32:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:32:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:32:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 06:32:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:32:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:32:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:32:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:32:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 06:32:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-18 06:32:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:32:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-12-18 06:32:43,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:32:43,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854588844] [2021-12-18 06:32:43,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854588844] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:32:43,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:32:43,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:32:43,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170907834] [2021-12-18 06:32:43,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:32:43,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:32:43,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:32:43,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:32:43,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:32:43,053 INFO L87 Difference]: Start difference. First operand 6927 states and 9643 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 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) [2021-12-18 06:32:45,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:47,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:49,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:52,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:32:54,041 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 [] [2021-12-18 06:33:09,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:33:09,211 INFO L93 Difference]: Finished difference Result 20149 states and 30050 transitions. [2021-12-18 06:33:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 06:33:09,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 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 [2021-12-18 06:33:09,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:33:09,275 INFO L225 Difference]: With dead ends: 20149 [2021-12-18 06:33:09,276 INFO L226 Difference]: Without dead ends: 13269 [2021-12-18 06:33:09,302 INFO L932 BasicCegarLoop]: 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 [2021-12-18 06:33:09,302 INFO L933 BasicCegarLoop]: 4378 mSDtfsCounter, 5411 mSDsluCounter, 12119 mSDsCounter, 0 mSdLazyCounter, 9684 mSolverCounterSat, 3306 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5858 SdHoareTripleChecker+Valid, 16497 SdHoareTripleChecker+Invalid, 12995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3306 IncrementalHoareTripleChecker+Valid, 9684 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:33:09,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5858 Valid, 16497 Invalid, 12995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3306 Valid, 9684 Invalid, 5 Unknown, 0 Unchecked, 25.3s Time] [2021-12-18 06:33:09,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13269 states. [2021-12-18 06:33:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13269 to 6935. [2021-12-18 06:33:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 4850 states have (on average 1.3084536082474227) internal successors, (6346), 4940 states have internal predecessors, (6346), 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) [2021-12-18 06:33:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 9651 transitions. [2021-12-18 06:33:09,704 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 9651 transitions. Word has length 385 [2021-12-18 06:33:09,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:33:09,705 INFO L470 AbstractCegarLoop]: Abstraction has 6935 states and 9651 transitions. [2021-12-18 06:33:09,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 4 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) [2021-12-18 06:33:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 9651 transitions. [2021-12-18 06:33:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-18 06:33:09,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:33:09,711 INFO L514 BasicCegarLoop]: 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] [2021-12-18 06:33:09,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 06:33:09,712 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:33:09,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:33:09,713 INFO L85 PathProgramCache]: Analyzing trace with hash 839988351, now seen corresponding path program 1 times [2021-12-18 06:33:09,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:33:09,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211397765] [2021-12-18 06:33:09,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:33:09,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:33:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:33:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:33:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:33:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:33:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:33:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:33:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:33:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:33:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:33:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:33:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:33:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:33:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:33:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:33:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:33:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:33:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:33:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:33:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:33:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:33:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:33:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 06:33:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:33:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:33:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 06:33:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 06:33:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-12-18 06:33:10,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:33:10,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211397765] [2021-12-18 06:33:10,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211397765] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:33:10,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:33:10,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:33:10,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044078077] [2021-12-18 06:33:10,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:33:10,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:33:10,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:33:10,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:33:10,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:33:10,141 INFO L87 Difference]: Start difference. First operand 6935 states and 9651 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) [2021-12-18 06:33:12,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:14,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:16,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:18,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:20,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:22,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:39,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:33:40,441 INFO L93 Difference]: Finished difference Result 20205 states and 30130 transitions. [2021-12-18 06:33:40,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 06:33:40,442 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 [2021-12-18 06:33:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:33:40,494 INFO L225 Difference]: With dead ends: 20205 [2021-12-18 06:33:40,495 INFO L226 Difference]: Without dead ends: 13317 [2021-12-18 06:33:40,516 INFO L932 BasicCegarLoop]: 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 [2021-12-18 06:33:40,517 INFO L933 BasicCegarLoop]: 4369 mSDtfsCounter, 5312 mSDsluCounter, 13685 mSDsCounter, 0 mSdLazyCounter, 11614 mSolverCounterSat, 3226 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5764 SdHoareTripleChecker+Valid, 18054 SdHoareTripleChecker+Invalid, 14847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3226 IncrementalHoareTripleChecker+Valid, 11614 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:33:40,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5764 Valid, 18054 Invalid, 14847 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3226 Valid, 11614 Invalid, 7 Unknown, 0 Unchecked, 29.5s Time] [2021-12-18 06:33:40,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13317 states. [2021-12-18 06:33:41,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13317 to 6943. [2021-12-18 06:33:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6943 states, 4858 states have (on average 1.3079456566488268) internal successors, (6354), 4948 states have internal predecessors, (6354), 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) [2021-12-18 06:33:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 9659 transitions. [2021-12-18 06:33:41,101 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 9659 transitions. Word has length 382 [2021-12-18 06:33:41,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:33:41,101 INFO L470 AbstractCegarLoop]: Abstraction has 6943 states and 9659 transitions. [2021-12-18 06:33:41,102 INFO L471 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) [2021-12-18 06:33:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 9659 transitions. [2021-12-18 06:33:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 06:33:41,109 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:33:41,109 INFO L514 BasicCegarLoop]: 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] [2021-12-18 06:33:41,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 06:33:41,110 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:33:41,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:33:41,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1059565558, now seen corresponding path program 1 times [2021-12-18 06:33:41,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:33:41,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111738469] [2021-12-18 06:33:41,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:33:41,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:33:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:33:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:33:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:33:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:33:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:33:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:33:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:33:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:33:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:33:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:33:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:33:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:33:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:33:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:33:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:33:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:33:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:33:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:33:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:33:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:33:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:33:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 06:33:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:33:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:33:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 06:33:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-18 06:33:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-12-18 06:33:41,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:33:41,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111738469] [2021-12-18 06:33:41,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111738469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:33:41,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:33:41,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:33:41,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380909954] [2021-12-18 06:33:41,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:33:41,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:33:41,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:33:41,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:33:41,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:33:41,662 INFO L87 Difference]: Start difference. First operand 6943 states and 9659 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) [2021-12-18 06:33:44,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:46,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:48,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:33:53,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 06:33:58,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:33:58,938 INFO L93 Difference]: Finished difference Result 15438 states and 22092 transitions. [2021-12-18 06:33:58,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 06:33:58,939 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 [2021-12-18 06:33:58,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:33:58,996 INFO L225 Difference]: With dead ends: 15438 [2021-12-18 06:33:58,996 INFO L226 Difference]: Without dead ends: 8542 [2021-12-18 06:33:59,018 INFO L932 BasicCegarLoop]: 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 [2021-12-18 06:33:59,019 INFO L933 BasicCegarLoop]: 2806 mSDtfsCounter, 5945 mSDsluCounter, 3656 mSDsCounter, 0 mSdLazyCounter, 4471 mSolverCounterSat, 4406 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6311 SdHoareTripleChecker+Valid, 6462 SdHoareTripleChecker+Invalid, 8881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4406 IncrementalHoareTripleChecker+Valid, 4471 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-12-18 06:33:59,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6311 Valid, 6462 Invalid, 8881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4406 Valid, 4471 Invalid, 4 Unknown, 0 Unchecked, 16.6s Time] [2021-12-18 06:33:59,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8542 states. [2021-12-18 06:33:59,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8542 to 6943. [2021-12-18 06:33:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6943 states, 4858 states have (on average 1.30712227254014) internal successors, (6350), 4948 states have internal predecessors, (6350), 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) [2021-12-18 06:33:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 9655 transitions. [2021-12-18 06:33:59,504 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 9655 transitions. Word has length 385 [2021-12-18 06:33:59,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:33:59,505 INFO L470 AbstractCegarLoop]: Abstraction has 6943 states and 9655 transitions. [2021-12-18 06:33:59,505 INFO L471 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) [2021-12-18 06:33:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 9655 transitions. [2021-12-18 06:33:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-12-18 06:33:59,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:33:59,512 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 06:33:59,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 06:33:59,512 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:33:59,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:33:59,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2087548555, now seen corresponding path program 1 times [2021-12-18 06:33:59,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:33:59,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017464341] [2021-12-18 06:33:59,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:33:59,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:33:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:33:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:33:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:33:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:33:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:33:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:33:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:33:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:33:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:33:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:33:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:33:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:33:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:33:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:33:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:33:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:33:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:33:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:33:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:33:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:33:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:33:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:33:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 06:33:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 06:34:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 06:34:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:34:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 06:34:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 06:34:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 06:34:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:34:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 06:34:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 06:34:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 06:34:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2021-12-18 06:34:00,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:34:00,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017464341] [2021-12-18 06:34:00,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017464341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:34:00,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:34:00,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 06:34:00,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786332798] [2021-12-18 06:34:00,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:34:00,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 06:34:00,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:34:00,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 06:34:00,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:34:00,214 INFO L87 Difference]: Start difference. First operand 6943 states and 9655 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) [2021-12-18 06:34:02,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:34:09,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:34:18,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:34:18,917 INFO L93 Difference]: Finished difference Result 24891 states and 36390 transitions. [2021-12-18 06:34:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 06:34:18,917 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 [2021-12-18 06:34:18,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:34:18,973 INFO L225 Difference]: With dead ends: 24891 [2021-12-18 06:34:18,974 INFO L226 Difference]: Without dead ends: 17995 [2021-12-18 06:34:18,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2021-12-18 06:34:18,993 INFO L933 BasicCegarLoop]: 4397 mSDtfsCounter, 8658 mSDsluCounter, 7398 mSDsCounter, 0 mSdLazyCounter, 7465 mSolverCounterSat, 6922 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9298 SdHoareTripleChecker+Valid, 11795 SdHoareTripleChecker+Invalid, 14389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6922 IncrementalHoareTripleChecker+Valid, 7465 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:34:18,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9298 Valid, 11795 Invalid, 14389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6922 Valid, 7465 Invalid, 2 Unknown, 0 Unchecked, 17.5s Time] [2021-12-18 06:34:19,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17995 states. [2021-12-18 06:34:19,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17995 to 14063. [2021-12-18 06:34:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14063 states, 9873 states have (on average 1.309936189608022) internal successors, (12933), 10054 states have internal predecessors, (12933), 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) [2021-12-18 06:34:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14063 states to 14063 states and 19629 transitions. [2021-12-18 06:34:19,758 INFO L78 Accepts]: Start accepts. Automaton has 14063 states and 19629 transitions. Word has length 394 [2021-12-18 06:34:19,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:34:19,759 INFO L470 AbstractCegarLoop]: Abstraction has 14063 states and 19629 transitions. [2021-12-18 06:34:19,759 INFO L471 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) [2021-12-18 06:34:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 14063 states and 19629 transitions. [2021-12-18 06:34:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-12-18 06:34:19,766 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:34:19,766 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1] [2021-12-18 06:34:19,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 06:34:19,766 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:34:19,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:34:19,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1220989022, now seen corresponding path program 1 times [2021-12-18 06:34:19,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:34:19,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256168646] [2021-12-18 06:34:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:34:19,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:34:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:34:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:34:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:34:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:34:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:34:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:34:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:34:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:34:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:34:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:34:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:34:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:34:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:34:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:34:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:34:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:34:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:34:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:34:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:34:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:34:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 06:34:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 06:34:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 06:34:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 06:34:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 06:34:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:34:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 06:34:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 06:34:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 06:34:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:34:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:34:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 06:34:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 06:34:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2021-12-18 06:34:20,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:34:20,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256168646] [2021-12-18 06:34:20,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256168646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:34:20,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:34:20,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 06:34:20,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235080222] [2021-12-18 06:34:20,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:34:20,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 06:34:20,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:34:20,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 06:34:20,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:34:20,858 INFO L87 Difference]: Start difference. First operand 14063 states and 19629 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 4 states have internal predecessors, (128), 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) [2021-12-18 06:34:23,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:34:25,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:34:37,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:34:37,142 INFO L93 Difference]: Finished difference Result 30967 states and 44821 transitions. [2021-12-18 06:34:37,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 06:34:37,142 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 4 states have internal predecessors, (128), 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 407 [2021-12-18 06:34:37,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:34:37,210 INFO L225 Difference]: With dead ends: 30967 [2021-12-18 06:34:37,210 INFO L226 Difference]: Without dead ends: 16951 [2021-12-18 06:34:37,302 INFO L932 BasicCegarLoop]: 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 [2021-12-18 06:34:37,303 INFO L933 BasicCegarLoop]: 2962 mSDtfsCounter, 5232 mSDsluCounter, 8949 mSDsCounter, 0 mSdLazyCounter, 7191 mSolverCounterSat, 3323 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5593 SdHoareTripleChecker+Valid, 11911 SdHoareTripleChecker+Invalid, 10516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3323 IncrementalHoareTripleChecker+Valid, 7191 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:34:37,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5593 Valid, 11911 Invalid, 10516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3323 Valid, 7191 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2021-12-18 06:34:37,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16951 states. [2021-12-18 06:34:38,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16951 to 14185. [2021-12-18 06:34:38,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14185 states, 9969 states have (on average 1.308757147156184) internal successors, (13047), 10153 states have internal predecessors, (13047), 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) [2021-12-18 06:34:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14185 states to 14185 states and 19782 transitions. [2021-12-18 06:34:38,206 INFO L78 Accepts]: Start accepts. Automaton has 14185 states and 19782 transitions. Word has length 407 [2021-12-18 06:34:38,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:34:38,207 INFO L470 AbstractCegarLoop]: Abstraction has 14185 states and 19782 transitions. [2021-12-18 06:34:38,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 4 states have internal predecessors, (128), 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) [2021-12-18 06:34:38,207 INFO L276 IsEmpty]: Start isEmpty. Operand 14185 states and 19782 transitions. [2021-12-18 06:34:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-12-18 06:34:38,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:34:38,214 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1] [2021-12-18 06:34:38,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 06:34:38,215 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:34:38,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:34:38,215 INFO L85 PathProgramCache]: Analyzing trace with hash 394939831, now seen corresponding path program 1 times [2021-12-18 06:34:38,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:34:38,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479500753] [2021-12-18 06:34:38,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:34:38,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:34:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:34:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:34:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:34:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:34:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:34:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:34:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:34:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:34:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:34:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:34:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:34:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:34:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:34:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:34:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:34:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:34:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:34:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:34:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:34:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 06:34:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 06:34:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 06:34:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:34:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:34:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 06:34:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:34:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 06:34:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 06:34:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 06:34:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:34:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 06:34:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 06:34:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-18 06:34:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2021-12-18 06:34:39,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:34:39,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479500753] [2021-12-18 06:34:39,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479500753] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:34:39,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:34:39,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-18 06:34:39,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221252669] [2021-12-18 06:34:39,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:34:39,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 06:34:39,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:34:39,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 06:34:39,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-12-18 06:34:39,166 INFO L87 Difference]: Start difference. First operand 14185 states and 19782 transitions. Second operand has 13 states, 13 states have (on average 9.923076923076923) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 8 states have call predecessors, (45), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 06:34:42,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:34:44,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:34:56,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:34:56,183 INFO L93 Difference]: Finished difference Result 24152 states and 34095 transitions. [2021-12-18 06:34:56,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 06:34:56,183 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.923076923076923) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 8 states have call predecessors, (45), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 405 [2021-12-18 06:34:56,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:34:56,207 INFO L225 Difference]: With dead ends: 24152 [2021-12-18 06:34:56,207 INFO L226 Difference]: Without dead ends: 10037 [2021-12-18 06:34:56,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2021-12-18 06:34:56,248 INFO L933 BasicCegarLoop]: 2879 mSDtfsCounter, 4683 mSDsluCounter, 11732 mSDsCounter, 0 mSdLazyCounter, 8769 mSolverCounterSat, 2845 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5021 SdHoareTripleChecker+Valid, 14611 SdHoareTripleChecker+Invalid, 11616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2845 IncrementalHoareTripleChecker+Valid, 8769 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:34:56,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5021 Valid, 14611 Invalid, 11616 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2845 Valid, 8769 Invalid, 2 Unknown, 0 Unchecked, 16.0s Time] [2021-12-18 06:34:56,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10037 states. [2021-12-18 06:34:56,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10037 to 8143. [2021-12-18 06:34:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8143 states, 5714 states have (on average 1.3032901645082253) internal successors, (7447), 5804 states have internal predecessors, (7447), 1779 states have call successors, (1779), 647 states have call predecessors, (1779), 649 states have return successors, (1780), 1767 states have call predecessors, (1780), 1776 states have call successors, (1780) [2021-12-18 06:34:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8143 states to 8143 states and 11006 transitions. [2021-12-18 06:34:56,725 INFO L78 Accepts]: Start accepts. Automaton has 8143 states and 11006 transitions. Word has length 405 [2021-12-18 06:34:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:34:56,739 INFO L470 AbstractCegarLoop]: Abstraction has 8143 states and 11006 transitions. [2021-12-18 06:34:56,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.923076923076923) internal successors, (129), 6 states have internal predecessors, (129), 2 states have call successors, (45), 8 states have call predecessors, (45), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 06:34:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 8143 states and 11006 transitions. [2021-12-18 06:34:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-12-18 06:34:56,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:34:56,766 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:34:56,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 06:34:56,766 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:34:56,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:34:56,766 INFO L85 PathProgramCache]: Analyzing trace with hash -313034008, now seen corresponding path program 1 times [2021-12-18 06:34:56,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:34:56,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090598362] [2021-12-18 06:34:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:34:56,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:34:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:34:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:34:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:34:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:34:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:34:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:34:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:34:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:34:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:34:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:34:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:34:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:34:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:34:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:34:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:34:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:34:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:34:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:34:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:34:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 06:34:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:34:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:34:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:34:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:34:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 06:34:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 06:34:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-18 06:34:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 06:34:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 06:34:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:34:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:34:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:34:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 06:34:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 06:34:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-18 06:34:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-18 06:34:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-18 06:34:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 06:34:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 06:34:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 06:34:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:34:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 06:34:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:34:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2021-12-18 06:34:57,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:34:57,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090598362] [2021-12-18 06:34:57,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090598362] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:34:57,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:34:57,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:34:57,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036190139] [2021-12-18 06:34:57,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:34:57,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:34:57,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:34:57,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:34:57,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:34:57,705 INFO L87 Difference]: Start difference. First operand 8143 states and 11006 transitions. Second operand has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-18 06:35:00,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:35:02,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:35:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:35:18,021 INFO L93 Difference]: Finished difference Result 27679 states and 38510 transitions. [2021-12-18 06:35:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 06:35:18,021 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 462 [2021-12-18 06:35:18,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:35:18,074 INFO L225 Difference]: With dead ends: 27679 [2021-12-18 06:35:18,074 INFO L226 Difference]: Without dead ends: 19606 [2021-12-18 06:35:18,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-12-18 06:35:18,096 INFO L933 BasicCegarLoop]: 4332 mSDtfsCounter, 7589 mSDsluCounter, 8457 mSDsCounter, 0 mSdLazyCounter, 8781 mSolverCounterSat, 5684 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8172 SdHoareTripleChecker+Valid, 12789 SdHoareTripleChecker+Invalid, 14467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5684 IncrementalHoareTripleChecker+Valid, 8781 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:35:18,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8172 Valid, 12789 Invalid, 14467 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5684 Valid, 8781 Invalid, 2 Unknown, 0 Unchecked, 18.8s Time] [2021-12-18 06:35:18,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19606 states. [2021-12-18 06:35:18,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19606 to 15912. [2021-12-18 06:35:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15912 states, 11153 states have (on average 1.3031471352999193) internal successors, (14534), 11335 states have internal predecessors, (14534), 3479 states have call successors, (3479), 1273 states have call predecessors, (3479), 1279 states have return successors, (3484), 3455 states have call predecessors, (3484), 3476 states have call successors, (3484) [2021-12-18 06:35:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15912 states to 15912 states and 21497 transitions. [2021-12-18 06:35:18,914 INFO L78 Accepts]: Start accepts. Automaton has 15912 states and 21497 transitions. Word has length 462 [2021-12-18 06:35:18,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:35:18,914 INFO L470 AbstractCegarLoop]: Abstraction has 15912 states and 21497 transitions. [2021-12-18 06:35:18,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-18 06:35:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 15912 states and 21497 transitions. [2021-12-18 06:35:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-12-18 06:35:18,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:35:18,921 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:35:18,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 06:35:18,922 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:35:18,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:35:18,922 INFO L85 PathProgramCache]: Analyzing trace with hash 16685624, now seen corresponding path program 1 times [2021-12-18 06:35:18,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:35:18,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61481862] [2021-12-18 06:35:18,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:35:18,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:35:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:35:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:35:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:35:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:35:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:35:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:35:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:35:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:35:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:35:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:35:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:35:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:35:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:35:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:35:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:35:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:35:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:35:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:35:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:35:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-18 06:35:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 06:35:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 06:35:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:35:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 06:35:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:35:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-18 06:35:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 06:35:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:35:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:35:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 06:35:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:35:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 06:35:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 06:35:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 06:35:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-18 06:35:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 06:35:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 06:35:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-18 06:35:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 06:35:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-12-18 06:35:19,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:35:19,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61481862] [2021-12-18 06:35:19,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61481862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:35:19,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:35:19,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 06:35:19,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559628897] [2021-12-18 06:35:19,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:35:19,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 06:35:19,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:35:19,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 06:35:19,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-12-18 06:35:19,762 INFO L87 Difference]: Start difference. First operand 15912 states and 21497 transitions. Second operand has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-18 06:35:22,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:35:31,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:35:31,487 INFO L93 Difference]: Finished difference Result 21833 states and 30369 transitions. [2021-12-18 06:35:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 06:35:31,488 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 432 [2021-12-18 06:35:31,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:35:31,545 INFO L225 Difference]: With dead ends: 21833 [2021-12-18 06:35:31,546 INFO L226 Difference]: Without dead ends: 19274 [2021-12-18 06:35:31,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-12-18 06:35:31,561 INFO L933 BasicCegarLoop]: 2796 mSDtfsCounter, 2598 mSDsluCounter, 10524 mSDsCounter, 0 mSdLazyCounter, 7127 mSolverCounterSat, 2450 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 13320 SdHoareTripleChecker+Invalid, 9578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2450 IncrementalHoareTripleChecker+Valid, 7127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:35:31,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2788 Valid, 13320 Invalid, 9578 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2450 Valid, 7127 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2021-12-18 06:35:31,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19274 states. [2021-12-18 06:35:32,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19274 to 15576. [2021-12-18 06:35:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15576 states, 10966 states have (on average 1.3039394492066387) internal successors, (14299), 11141 states have internal predecessors, (14299), 3334 states have call successors, (3334), 1268 states have call predecessors, (3334), 1275 states have return successors, (3340), 3318 states have call predecessors, (3340), 3332 states have call successors, (3340) [2021-12-18 06:35:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15576 states to 15576 states and 20973 transitions. [2021-12-18 06:35:32,379 INFO L78 Accepts]: Start accepts. Automaton has 15576 states and 20973 transitions. Word has length 432 [2021-12-18 06:35:32,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:35:32,380 INFO L470 AbstractCegarLoop]: Abstraction has 15576 states and 20973 transitions. [2021-12-18 06:35:32,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (52), 7 states have call predecessors, (52), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-18 06:35:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 15576 states and 20973 transitions. [2021-12-18 06:35:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-12-18 06:35:32,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:35:32,386 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:35:32,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 06:35:32,387 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:35:32,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:35:32,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1329603326, now seen corresponding path program 1 times [2021-12-18 06:35:32,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:35:32,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581148138] [2021-12-18 06:35:32,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:35:32,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:35:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:35:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:35:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:35:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:35:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:35:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:35:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:35:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:35:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:35:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:35:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:35:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:35:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:35:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:35:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:35:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:35:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:35:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:35:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:35:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:35:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 06:35:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:35:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 06:35:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 06:35:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 06:35:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:35:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:35:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 06:35:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:35:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 06:35:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 06:35:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-18 06:35:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 06:35:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 06:35:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 06:35:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 06:35:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-18 06:35:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 06:35:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 06:35:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-12-18 06:35:32,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:35:32,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581148138] [2021-12-18 06:35:32,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581148138] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:35:32,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:35:32,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:35:32,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976179747] [2021-12-18 06:35:32,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:35:32,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:35:32,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:35:32,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:35:32,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:35:32,941 INFO L87 Difference]: Start difference. First operand 15576 states and 20973 transitions. Second operand has 8 states, 8 states have (on average 16.625) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 8 states have call predecessors, (52), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-18 06:35:35,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:35:37,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:35:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:35:47,501 INFO L93 Difference]: Finished difference Result 19260 states and 26998 transitions. [2021-12-18 06:35:47,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 06:35:47,501 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 8 states have call predecessors, (52), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 434 [2021-12-18 06:35:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:35:47,571 INFO L225 Difference]: With dead ends: 19260 [2021-12-18 06:35:47,571 INFO L226 Difference]: Without dead ends: 19257 [2021-12-18 06:35:47,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-12-18 06:35:47,582 INFO L933 BasicCegarLoop]: 2918 mSDtfsCounter, 2531 mSDsluCounter, 4479 mSDsCounter, 0 mSdLazyCounter, 5534 mSolverCounterSat, 2033 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 7397 SdHoareTripleChecker+Invalid, 7569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2033 IncrementalHoareTripleChecker+Valid, 5534 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:35:47,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2730 Valid, 7397 Invalid, 7569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2033 Valid, 5534 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2021-12-18 06:35:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19257 states. [2021-12-18 06:35:48,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19257 to 15575. [2021-12-18 06:35:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15575 states, 10966 states have (on average 1.3032099215757798) internal successors, (14291), 11140 states have internal predecessors, (14291), 3333 states have call successors, (3333), 1268 states have call predecessors, (3333), 1275 states have return successors, (3340), 3318 states have call predecessors, (3340), 3332 states have call successors, (3340) [2021-12-18 06:35:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15575 states to 15575 states and 20964 transitions. [2021-12-18 06:35:48,611 INFO L78 Accepts]: Start accepts. Automaton has 15575 states and 20964 transitions. Word has length 434 [2021-12-18 06:35:48,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:35:48,612 INFO L470 AbstractCegarLoop]: Abstraction has 15575 states and 20964 transitions. [2021-12-18 06:35:48,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.625) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (52), 8 states have call predecessors, (52), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-18 06:35:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 15575 states and 20964 transitions. [2021-12-18 06:35:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2021-12-18 06:35:48,626 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:35:48,627 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:35:48,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 06:35:48,627 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:35:48,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:35:48,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2053499321, now seen corresponding path program 1 times [2021-12-18 06:35:48,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:35:48,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306937829] [2021-12-18 06:35:48,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:35:48,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:35:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:35:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:35:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:35:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:35:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:35:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:35:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:35:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:35:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:35:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:35:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:35:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:35:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:35:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:35:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:35:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:35:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:35:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:35:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:35:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:35:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:35:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 06:35:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:35:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 06:35:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 06:35:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 06:35:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 06:35:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 06:35:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 06:35:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:35:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 06:35:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:35:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:35:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 06:35:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 06:35:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 06:35:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:35:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2354 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2348 trivial. 0 not checked. [2021-12-18 06:35:49,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:35:49,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306937829] [2021-12-18 06:35:49,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306937829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:35:49,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:35:49,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:35:49,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523821139] [2021-12-18 06:35:49,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:35:49,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:35:49,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:35:49,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:35:49,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:35:49,283 INFO L87 Difference]: Start difference. First operand 15575 states and 20964 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-12-18 06:35:51,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:35:54,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:08,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:36:08,139 INFO L93 Difference]: Finished difference Result 42169 states and 58742 transitions. [2021-12-18 06:36:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 06:36:08,140 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 508 [2021-12-18 06:36:08,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:36:08,223 INFO L225 Difference]: With dead ends: 42169 [2021-12-18 06:36:08,223 INFO L226 Difference]: Without dead ends: 26664 [2021-12-18 06:36:08,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-18 06:36:08,262 INFO L933 BasicCegarLoop]: 4341 mSDtfsCounter, 5669 mSDsluCounter, 5041 mSDsCounter, 0 mSdLazyCounter, 7063 mSolverCounterSat, 5026 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6085 SdHoareTripleChecker+Valid, 9382 SdHoareTripleChecker+Invalid, 12091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5026 IncrementalHoareTripleChecker+Valid, 7063 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:36:08,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6085 Valid, 9382 Invalid, 12091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5026 Valid, 7063 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2021-12-18 06:36:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26664 states. [2021-12-18 06:36:09,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26664 to 20867. [2021-12-18 06:36:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20867 states, 14746 states have (on average 1.3036077580360776) internal successors, (19223), 14983 states have internal predecessors, (19223), 4384 states have call successors, (4384), 1729 states have call predecessors, (4384), 1736 states have return successors, (4391), 4358 states have call predecessors, (4391), 4383 states have call successors, (4391) [2021-12-18 06:36:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20867 states to 20867 states and 27998 transitions. [2021-12-18 06:36:09,414 INFO L78 Accepts]: Start accepts. Automaton has 20867 states and 27998 transitions. Word has length 508 [2021-12-18 06:36:09,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:36:09,415 INFO L470 AbstractCegarLoop]: Abstraction has 20867 states and 27998 transitions. [2021-12-18 06:36:09,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-12-18 06:36:09,416 INFO L276 IsEmpty]: Start isEmpty. Operand 20867 states and 27998 transitions. [2021-12-18 06:36:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-12-18 06:36:09,448 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:36:09,448 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:36:09,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 06:36:09,448 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:36:09,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:36:09,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1148780588, now seen corresponding path program 1 times [2021-12-18 06:36:09,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:36:09,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48675359] [2021-12-18 06:36:09,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:36:09,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:36:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:36:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:36:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:36:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:36:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:36:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:36:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:36:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:36:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:36:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:36:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:36:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:36:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:36:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:36:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:36:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:36:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:36:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:36:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:36:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:36:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:36:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 06:36:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:36:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 06:36:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 06:36:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 06:36:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 06:36:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 06:36:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 06:36:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:36:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 06:36:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 06:36:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-18 06:36:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-18 06:36:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 06:36:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2370 trivial. 0 not checked. [2021-12-18 06:36:10,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:36:10,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48675359] [2021-12-18 06:36:10,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48675359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:36:10,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:36:10,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:36:10,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365432563] [2021-12-18 06:36:10,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:36:10,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:36:10,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:36:10,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:36:10,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:36:10,318 INFO L87 Difference]: Start difference. First operand 20867 states and 27998 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-18 06:36:12,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:14,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:16,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:18,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:27,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:29,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:31,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:46,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:36:46,978 INFO L93 Difference]: Finished difference Result 59065 states and 82052 transitions. [2021-12-18 06:36:46,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 06:36:46,979 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 532 [2021-12-18 06:36:46,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:36:47,250 INFO L225 Difference]: With dead ends: 59065 [2021-12-18 06:36:47,250 INFO L226 Difference]: Without dead ends: 38268 [2021-12-18 06:36:47,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2021-12-18 06:36:47,310 INFO L933 BasicCegarLoop]: 5061 mSDtfsCounter, 5927 mSDsluCounter, 11068 mSDsCounter, 0 mSdLazyCounter, 13827 mSolverCounterSat, 5340 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6240 SdHoareTripleChecker+Valid, 16129 SdHoareTripleChecker+Invalid, 19174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5340 IncrementalHoareTripleChecker+Valid, 13827 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:36:47,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6240 Valid, 16129 Invalid, 19174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5340 Valid, 13827 Invalid, 7 Unknown, 0 Unchecked, 33.8s Time] [2021-12-18 06:36:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38268 states. [2021-12-18 06:36:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38268 to 30107. [2021-12-18 06:36:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30107 states, 21262 states have (on average 1.3010535227165836) internal successors, (27663), 21610 states have internal predecessors, (27663), 6339 states have call successors, (6339), 2494 states have call predecessors, (6339), 2505 states have return successors, (6350), 6298 states have call predecessors, (6350), 6338 states have call successors, (6350) [2021-12-18 06:36:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30107 states to 30107 states and 40352 transitions. [2021-12-18 06:36:49,713 INFO L78 Accepts]: Start accepts. Automaton has 30107 states and 40352 transitions. Word has length 532 [2021-12-18 06:36:49,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:36:49,715 INFO L470 AbstractCegarLoop]: Abstraction has 30107 states and 40352 transitions. [2021-12-18 06:36:49,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-18 06:36:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 30107 states and 40352 transitions. [2021-12-18 06:36:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2021-12-18 06:36:49,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:36:49,793 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:36:49,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 06:36:49,794 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:36:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:36:49,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1381808000, now seen corresponding path program 1 times [2021-12-18 06:36:49,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:36:49,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411862604] [2021-12-18 06:36:49,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:36:49,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:36:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:36:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:36:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:36:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:36:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:36:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:36:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:36:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:36:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:36:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:36:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:36:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:36:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:36:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:36:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:36:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:36:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:36:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:36:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:36:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:36:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:36:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 06:36:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:36:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 06:36:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 06:36:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 06:36:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 06:36:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 06:36:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 06:36:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:36:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 06:36:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:36:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 06:36:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:36:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 06:36:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:51,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 06:36:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-18 06:36:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-18 06:36:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:36:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2370 trivial. 0 not checked. [2021-12-18 06:36:51,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:36:51,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411862604] [2021-12-18 06:36:51,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411862604] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:36:51,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:36:51,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:36:51,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148455892] [2021-12-18 06:36:51,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:36:51,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:36:51,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:36:51,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:36:51,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:36:51,133 INFO L87 Difference]: Start difference. First operand 30107 states and 40352 transitions. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 06:36:53,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:55,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:57,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:36:59,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:01,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:10,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:12,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:14,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 06:37:29,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:37:29,098 INFO L93 Difference]: Finished difference Result 76137 states and 105762 transitions. [2021-12-18 06:37:29,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 06:37:29,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 543 [2021-12-18 06:37:29,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:37:29,310 INFO L225 Difference]: With dead ends: 76137 [2021-12-18 06:37:29,310 INFO L226 Difference]: Without dead ends: 46100 [2021-12-18 06:37:29,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2021-12-18 06:37:29,382 INFO L933 BasicCegarLoop]: 4229 mSDtfsCounter, 5562 mSDsluCounter, 8073 mSDsCounter, 0 mSdLazyCounter, 11610 mSolverCounterSat, 5127 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5866 SdHoareTripleChecker+Valid, 12302 SdHoareTripleChecker+Invalid, 16745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5127 IncrementalHoareTripleChecker+Valid, 11610 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2021-12-18 06:37:29,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5866 Valid, 12302 Invalid, 16745 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5127 Valid, 11610 Invalid, 8 Unknown, 0 Unchecked, 34.2s Time] [2021-12-18 06:37:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46100 states. [2021-12-18 06:37:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46100 to 36035. [2021-12-18 06:37:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36035 states, 25430 states have (on average 1.3014156508061345) internal successors, (33095), 25853 states have internal predecessors, (33095), 7614 states have call successors, (7614), 2979 states have call predecessors, (7614), 2990 states have return successors, (7625), 7562 states have call predecessors, (7625), 7613 states have call successors, (7625) [2021-12-18 06:37:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36035 states to 36035 states and 48334 transitions. [2021-12-18 06:37:32,009 INFO L78 Accepts]: Start accepts. Automaton has 36035 states and 48334 transitions. Word has length 543 [2021-12-18 06:37:32,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:37:32,010 INFO L470 AbstractCegarLoop]: Abstraction has 36035 states and 48334 transitions. [2021-12-18 06:37:32,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (45), 8 states have call predecessors, (45), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 06:37:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 36035 states and 48334 transitions. [2021-12-18 06:37:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-12-18 06:37:32,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:37:32,037 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:37:32,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 06:37:32,037 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:37:32,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:37:32,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1569971741, now seen corresponding path program 1 times [2021-12-18 06:37:32,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:37:32,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858145468] [2021-12-18 06:37:32,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:37:32,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:37:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:37:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:37:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:37:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:37:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:37:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:37:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:37:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:37:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:37:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 06:37:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 06:37:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 06:37:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 06:37:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 06:37:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 06:37:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 06:37:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 06:37:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 06:37:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 06:37:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 06:37:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 06:37:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 06:37:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:37:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 06:37:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 06:37:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-12-18 06:37:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 06:37:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 06:37:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 06:37:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:37:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 06:37:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:37:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 06:37:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:37:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 06:37:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 06:37:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-18 06:37:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 06:37:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:37:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2384 trivial. 0 not checked. [2021-12-18 06:37:32,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:37:32,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858145468] [2021-12-18 06:37:32,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858145468] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:37:32,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:37:32,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:37:32,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690120755] [2021-12-18 06:37:32,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:37:32,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:37:32,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:37:32,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:37:32,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:37:32,886 INFO L87 Difference]: Start difference. First operand 36035 states and 48334 transitions. Second operand has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 06:37:35,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:37,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:39,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:41,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:43,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:37:58,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:37:58,105 INFO L93 Difference]: Finished difference Result 46081 states and 65420 transitions. [2021-12-18 06:37:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 06:37:58,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 542 [2021-12-18 06:37:58,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:37:58,110 INFO L225 Difference]: With dead ends: 46081 [2021-12-18 06:37:58,110 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 06:37:58,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-12-18 06:37:58,219 INFO L933 BasicCegarLoop]: 2719 mSDtfsCounter, 3152 mSDsluCounter, 5592 mSDsCounter, 0 mSdLazyCounter, 7925 mSolverCounterSat, 2902 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 8311 SdHoareTripleChecker+Invalid, 10832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2902 IncrementalHoareTripleChecker+Valid, 7925 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:37:58,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3298 Valid, 8311 Invalid, 10832 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2902 Valid, 7925 Invalid, 5 Unknown, 0 Unchecked, 21.9s Time] [2021-12-18 06:37:58,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 06:37:58,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 06:37:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 06:37:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 06:37:58,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 542 [2021-12-18 06:37:58,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:37:58,227 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 06:37:58,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 06:37:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 06:37:58,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 06:37:58,229 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 06:37:58,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 06:37:58,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15