./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-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-08_1a-drivers--video--console--fbcon.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 cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 03:10:59,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 03:10:59,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 03:10:59,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 03:10:59,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 03:10:59,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 03:10:59,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 03:10:59,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 03:10:59,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 03:10:59,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 03:10:59,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 03:10:59,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 03:10:59,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 03:10:59,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 03:10:59,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 03:10:59,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 03:10:59,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 03:10:59,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 03:10:59,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 03:10:59,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 03:10:59,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 03:10:59,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 03:10:59,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 03:10:59,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 03:10:59,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 03:10:59,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 03:10:59,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 03:10:59,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 03:10:59,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 03:10:59,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 03:10:59,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 03:10:59,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 03:10:59,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 03:10:59,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 03:10:59,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 03:10:59,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 03:10:59,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 03:10:59,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 03:10:59,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 03:10:59,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 03:10:59,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 03:10:59,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 03:10:59,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 03:10:59,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 03:10:59,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 03:10:59,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 03:10:59,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 03:10:59,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 03:10:59,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 03:10:59,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 03:10:59,823 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 03:10:59,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 03:10:59,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 03:10:59,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 03:10:59,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 03:10:59,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 03:10:59,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 03:10:59,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 03:10:59,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 03:10:59,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 03:10:59,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 03:10:59,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 03:10:59,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 03:10:59,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 03:10:59,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 03:10:59,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 03:10:59,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 03:10:59,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 03:10:59,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 03:10:59,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 03:10:59,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 03:10:59,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 03:10:59,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 03:10:59,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 [2021-11-17 03:11:00,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 03:11:00,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 03:11:00,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 03:11:00,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 03:11:00,123 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 03:11:00,124 INFO L432 ainManager$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-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-11-17 03:11:00,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfbb120d1/240ba51c835944118ae17f8c5c348966/FLAGda9ac1515 [2021-11-17 03:11:00,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 03:11:00,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-11-17 03:11:00,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfbb120d1/240ba51c835944118ae17f8c5c348966/FLAGda9ac1515 [2021-11-17 03:11:01,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfbb120d1/240ba51c835944118ae17f8c5c348966 [2021-11-17 03:11:01,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 03:11:01,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 03:11:01,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 03:11:01,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 03:11:01,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 03:11:01,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:11:01" (1/1) ... [2021-11-17 03:11:01,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398758e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:01, skipping insertion in model container [2021-11-17 03:11:01,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:11:01" (1/1) ... [2021-11-17 03:11:01,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 03:11:01,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 03:11:02,795 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-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2021-11-17 03:11:02,843 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 03:11:02,892 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 03:11:03,275 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-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2021-11-17 03:11:03,287 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 03:11:03,399 INFO L208 MainTranslator]: Completed translation [2021-11-17 03:11:03,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03 WrapperNode [2021-11-17 03:11:03,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 03:11:03,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 03:11:03,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 03:11:03,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 03:11:03,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:03,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:03,757 INFO L137 Inliner]: procedures = 251, calls = 2680, calls flagged for inlining = 117, calls inlined = 112, statements flattened = 6560 [2021-11-17 03:11:03,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 03:11:03,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 03:11:03,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 03:11:03,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 03:11:03,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:03,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:03,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:03,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:04,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:04,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:04,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:04,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 03:11:04,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 03:11:04,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 03:11:04,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 03:11:04,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (1/1) ... [2021-11-17 03:11:04,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 03:11:04,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:11:04,153 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) [2021-11-17 03:11:04,160 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 [2021-11-17 03:11:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2021-11-17 03:11:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2021-11-17 03:11:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2021-11-17 03:11:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2021-11-17 03:11:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2021-11-17 03:11:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2021-11-17 03:11:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2021-11-17 03:11:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2021-11-17 03:11:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2021-11-17 03:11:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2021-11-17 03:11:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2021-11-17 03:11:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2021-11-17 03:11:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2021-11-17 03:11:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2021-11-17 03:11:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2021-11-17 03:11:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2021-11-17 03:11:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 03:11:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 03:11:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 03:11:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 03:11:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 03:11:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 03:11:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 03:11:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 03:11:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2021-11-17 03:11:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2021-11-17 03:11:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2021-11-17 03:11:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2021-11-17 03:11:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-17 03:11:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-17 03:11:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2021-11-17 03:11:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2021-11-17 03:11:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2021-11-17 03:11:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2021-11-17 03:11:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-17 03:11:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-17 03:11:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2021-11-17 03:11:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2021-11-17 03:11:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2021-11-17 03:11:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2021-11-17 03:11:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2021-11-17 03:11:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2021-11-17 03:11:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2021-11-17 03:11:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2021-11-17 03:11:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 03:11:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 03:11:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2021-11-17 03:11:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2021-11-17 03:11:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2021-11-17 03:11:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2021-11-17 03:11:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2021-11-17 03:11:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2021-11-17 03:11:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 03:11:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 03:11:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 03:11:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 03:11:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2021-11-17 03:11:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2021-11-17 03:11:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2021-11-17 03:11:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2021-11-17 03:11:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2021-11-17 03:11:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2021-11-17 03:11:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2021-11-17 03:11:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2021-11-17 03:11:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 03:11:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 03:11:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2021-11-17 03:11:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2021-11-17 03:11:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 03:11:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2021-11-17 03:11:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2021-11-17 03:11:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 03:11:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 03:11:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2021-11-17 03:11:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2021-11-17 03:11:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 03:11:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 03:11:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 03:11:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 03:11:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 03:11:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 03:11:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-17 03:11:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-17 03:11:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 03:11:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 03:11:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2021-11-17 03:11:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2021-11-17 03:11:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2021-11-17 03:11:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2021-11-17 03:11:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2021-11-17 03:11:04,196 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2021-11-17 03:11:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 03:11:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 03:11:04,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 03:11:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 03:11:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2021-11-17 03:11:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2021-11-17 03:11:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2021-11-17 03:11:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2021-11-17 03:11:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2021-11-17 03:11:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2021-11-17 03:11:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 03:11:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2021-11-17 03:11:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2021-11-17 03:11:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 03:11:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 03:11:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2021-11-17 03:11:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2021-11-17 03:11:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2021-11-17 03:11:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2021-11-17 03:11:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 03:11:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 03:11:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2021-11-17 03:11:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2021-11-17 03:11:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 03:11:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2021-11-17 03:11:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2021-11-17 03:11:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2021-11-17 03:11:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2021-11-17 03:11:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2021-11-17 03:11:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2021-11-17 03:11:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2021-11-17 03:11:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2021-11-17 03:11:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2021-11-17 03:11:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2021-11-17 03:11:04,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 03:11:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 03:11:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 03:11:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2021-11-17 03:11:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2021-11-17 03:11:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 03:11:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 03:11:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2021-11-17 03:11:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2021-11-17 03:11:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 03:11:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2021-11-17 03:11:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2021-11-17 03:11:04,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 03:11:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2021-11-17 03:11:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2021-11-17 03:11:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-11-17 03:11:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-11-17 03:11:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2021-11-17 03:11:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2021-11-17 03:11:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 03:11:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 03:11:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 03:11:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 03:11:04,262 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-11-17 03:11:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-11-17 03:11:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2021-11-17 03:11:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2021-11-17 03:11:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-11-17 03:11:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-11-17 03:11:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2021-11-17 03:11:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2021-11-17 03:11:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2021-11-17 03:11:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2021-11-17 03:11:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2021-11-17 03:11:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2021-11-17 03:11:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2021-11-17 03:11:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2021-11-17 03:11:04,263 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2021-11-17 03:11:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2021-11-17 03:11:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2021-11-17 03:11:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2021-11-17 03:11:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 03:11:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 03:11:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2021-11-17 03:11:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2021-11-17 03:11:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 03:11:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2021-11-17 03:11:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2021-11-17 03:11:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2021-11-17 03:11:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2021-11-17 03:11:04,264 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-17 03:11:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-17 03:11:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 03:11:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 03:11:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 03:11:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 03:11:05,231 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 03:11:05,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 03:11:07,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 03:11:31,073 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 03:11:31,091 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 03:11:31,091 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 03:11:31,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:11:31 BoogieIcfgContainer [2021-11-17 03:11:31,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 03:11:31,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 03:11:31,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 03:11:31,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 03:11:31,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:11:01" (1/3) ... [2021-11-17 03:11:31,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4517f875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:11:31, skipping insertion in model container [2021-11-17 03:11:31,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:03" (2/3) ... [2021-11-17 03:11:31,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4517f875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:11:31, skipping insertion in model container [2021-11-17 03:11:31,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:11:31" (3/3) ... [2021-11-17 03:11:31,103 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-11-17 03:11:31,108 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 03:11:31,108 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 03:11:31,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 03:11:31,165 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 [2021-11-17 03:11:31,165 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 03:11:31,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 2071 states, 1593 states have (on average 1.448210922787194) internal successors, (2307), 1644 states have internal predecessors, (2307), 395 states have call successors, (395), 82 states have call predecessors, (395), 81 states have return successors, (390), 378 states have call predecessors, (390), 390 states have call successors, (390) [2021-11-17 03:11:31,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-11-17 03:11:31,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:11:31,247 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:11:31,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:11:31,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:11:31,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1209954534, now seen corresponding path program 1 times [2021-11-17 03:11:31,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:11:31,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310815778] [2021-11-17 03:11:31,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:11:31,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:11:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:11:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:11:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:11:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:11:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:11:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:11:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:11:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:11:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:11:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:11:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:11:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:11:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:11:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:11:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:11:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:11:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:11:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:11:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:11:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:11:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:11:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:11:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:11:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:11:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:11:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:11:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:11:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:11:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:11:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:11:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:11:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:11:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:11:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:11:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:11:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:11:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:11:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:11:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:11:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:11:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:11:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:11:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:11:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:11:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:11:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:11:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:11:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:11:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:11:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:11:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:11:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 03:11:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 03:11:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:33,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 03:11:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:33,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 03:11:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:11:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 03:11:33,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:11:33,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310815778] [2021-11-17 03:11:33,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310815778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:11:33,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:11:33,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 03:11:33,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732978288] [2021-11-17 03:11:33,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:11:33,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 03:11:33,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:11:33,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 03:11:33,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 03:11:33,089 INFO L87 Difference]: Start difference. First operand has 2071 states, 1593 states have (on average 1.448210922787194) internal successors, (2307), 1644 states have internal predecessors, (2307), 395 states have call successors, (395), 82 states have call predecessors, (395), 81 states have return successors, (390), 378 states have call predecessors, (390), 390 states have call successors, (390) Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 03:11:35,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:11:38,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:11:41,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:11:43,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:11:45,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:11:47,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:11:53,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:11:57,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:11:59,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:00,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:12:00,171 INFO L93 Difference]: Finished difference Result 4535 states and 7050 transitions. [2021-11-17 03:12:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 03:12:00,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 539 [2021-11-17 03:12:00,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:12:00,214 INFO L225 Difference]: With dead ends: 4535 [2021-11-17 03:12:00,214 INFO L226 Difference]: Without dead ends: 2457 [2021-11-17 03:12:00,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:12:00,234 INFO L933 BasicCegarLoop]: 2907 mSDtfsCounter, 2282 mSDsluCounter, 2793 mSDsCounter, 0 mSdLazyCounter, 2234 mSolverCounterSat, 1567 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2341 SdHoareTripleChecker+Valid, 5700 SdHoareTripleChecker+Invalid, 3810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1567 IncrementalHoareTripleChecker+Valid, 2234 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2021-11-17 03:12:00,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2341 Valid, 5700 Invalid, 3810 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1567 Valid, 2234 Invalid, 9 Unknown, 0 Unchecked, 26.5s Time] [2021-11-17 03:12:00,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2021-11-17 03:12:00,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2059. [2021-11-17 03:12:00,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1588 states have (on average 1.4445843828715366) internal successors, (2294), 1632 states have internal predecessors, (2294), 390 states have call successors, (390), 81 states have call predecessors, (390), 80 states have return successors, (388), 376 states have call predecessors, (388), 388 states have call successors, (388) [2021-11-17 03:12:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 3072 transitions. [2021-11-17 03:12:00,493 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 3072 transitions. Word has length 539 [2021-11-17 03:12:00,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:12:00,495 INFO L470 AbstractCegarLoop]: Abstraction has 2059 states and 3072 transitions. [2021-11-17 03:12:00,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 03:12:00,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 3072 transitions. [2021-11-17 03:12:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-11-17 03:12:00,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:12:00,516 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:12:00,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 03:12:00,517 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:12:00,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:12:00,518 INFO L85 PathProgramCache]: Analyzing trace with hash -524624170, now seen corresponding path program 1 times [2021-11-17 03:12:00,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:12:00,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761889557] [2021-11-17 03:12:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:12:00,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:12:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:12:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:12:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:12:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:12:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:12:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:12:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:12:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:12:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:12:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:12:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:12:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:12:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:12:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:12:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:12:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:12:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:12:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:12:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:12:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:12:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:12:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:12:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:12:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:12:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:12:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:12:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:12:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:12:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:12:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:12:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:12:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:12:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:12:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:12:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:12:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:12:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:12:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:12:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:12:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:12:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:12:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:12:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 03:12:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 03:12:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 03:12:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 03:12:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 03:12:01,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:12:01,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761889557] [2021-11-17 03:12:01,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761889557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:12:01,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:12:01,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:12:01,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222546342] [2021-11-17 03:12:01,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:12:01,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:12:01,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:12:01,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:12:01,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:12:01,827 INFO L87 Difference]: Start difference. First operand 2059 states and 3072 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 03:12:04,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:06,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:08,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:12:11,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:13,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:15,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:18,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:20,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:22,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:26,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:28,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:33,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:35,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:37,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:39,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:42,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:44,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:46,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:48,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:51,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:53,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:57,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:59,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:02,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:04,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:06,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:08,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:09,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:13:09,097 INFO L93 Difference]: Finished difference Result 6709 states and 10299 transitions. [2021-11-17 03:13:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:13:09,097 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 539 [2021-11-17 03:13:09,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:13:09,135 INFO L225 Difference]: With dead ends: 6709 [2021-11-17 03:13:09,136 INFO L226 Difference]: Without dead ends: 4743 [2021-11-17 03:13:09,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:13:09,148 INFO L933 BasicCegarLoop]: 3205 mSDtfsCounter, 7224 mSDsluCounter, 5346 mSDsCounter, 0 mSdLazyCounter, 3757 mSolverCounterSat, 3169 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7537 SdHoareTripleChecker+Valid, 8551 SdHoareTripleChecker+Invalid, 6953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3169 IncrementalHoareTripleChecker+Valid, 3757 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.5s IncrementalHoareTripleChecker+Time [2021-11-17 03:13:09,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7537 Valid, 8551 Invalid, 6953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3169 Valid, 3757 Invalid, 27 Unknown, 0 Unchecked, 66.5s Time] [2021-11-17 03:13:09,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4743 states. [2021-11-17 03:13:09,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4743 to 3945. [2021-11-17 03:13:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3945 states, 3071 states have (on average 1.4545750569846956) internal successors, (4467), 3156 states have internal predecessors, (4467), 718 states have call successors, (718), 157 states have call predecessors, (718), 155 states have return successors, (716), 691 states have call predecessors, (716), 716 states have call successors, (716) [2021-11-17 03:13:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 5901 transitions. [2021-11-17 03:13:09,353 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 5901 transitions. Word has length 539 [2021-11-17 03:13:09,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:13:09,357 INFO L470 AbstractCegarLoop]: Abstraction has 3945 states and 5901 transitions. [2021-11-17 03:13:09,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 03:13:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 5901 transitions. [2021-11-17 03:13:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-11-17 03:13:09,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:13:09,373 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:13:09,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 03:13:09,373 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:13:09,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:13:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1796807709, now seen corresponding path program 1 times [2021-11-17 03:13:09,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:13:09,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536240312] [2021-11-17 03:13:09,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:13:09,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:13:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:13:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:13:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:13:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:13:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:13:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:13:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:13:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:13:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:13:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:13:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:13:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:13:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:13:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:13:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:13:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:13:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:13:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:13:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:13:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:13:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:13:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:13:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:13:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:13:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:13:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:13:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:13:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:13:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:13:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:13:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:13:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:13:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:13:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:13:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:13:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:13:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:13:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:13:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:13:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:13:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:13:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:13:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 03:13:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 03:13:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 03:13:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 03:13:10,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:13:10,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536240312] [2021-11-17 03:13:10,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536240312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:13:10,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:13:10,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 03:13:10,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742081758] [2021-11-17 03:13:10,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:13:10,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 03:13:10,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:13:10,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 03:13:10,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 03:13:10,423 INFO L87 Difference]: Start difference. First operand 3945 states and 5901 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 03:13:12,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:15,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:17,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:20,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:22,233 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:25,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:29,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:31,411 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:31,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:13:31,937 INFO L93 Difference]: Finished difference Result 8440 states and 12835 transitions. [2021-11-17 03:13:31,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 03:13:31,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 547 [2021-11-17 03:13:31,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:13:31,971 INFO L225 Difference]: With dead ends: 8440 [2021-11-17 03:13:31,972 INFO L226 Difference]: Without dead ends: 4588 [2021-11-17 03:13:31,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:13:31,999 INFO L933 BasicCegarLoop]: 2893 mSDtfsCounter, 2281 mSDsluCounter, 4060 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1499 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 6953 SdHoareTripleChecker+Invalid, 3257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1499 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-11-17 03:13:32,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2294 Valid, 6953 Invalid, 3257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1499 Valid, 1750 Invalid, 8 Unknown, 0 Unchecked, 21.2s Time] [2021-11-17 03:13:32,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4588 states. [2021-11-17 03:13:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4588 to 3946. [2021-11-17 03:13:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3946 states, 3072 states have (on average 1.4544270833333333) internal successors, (4468), 3157 states have internal predecessors, (4468), 718 states have call successors, (718), 157 states have call predecessors, (718), 155 states have return successors, (716), 691 states have call predecessors, (716), 716 states have call successors, (716) [2021-11-17 03:13:32,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 5902 transitions. [2021-11-17 03:13:32,187 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 5902 transitions. Word has length 547 [2021-11-17 03:13:32,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:13:32,189 INFO L470 AbstractCegarLoop]: Abstraction has 3946 states and 5902 transitions. [2021-11-17 03:13:32,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (50), 5 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 03:13:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 5902 transitions. [2021-11-17 03:13:32,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2021-11-17 03:13:32,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:13:32,198 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:13:32,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 03:13:32,199 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:13:32,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:13:32,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1294765145, now seen corresponding path program 1 times [2021-11-17 03:13:32,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:13:32,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134178276] [2021-11-17 03:13:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:13:32,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:13:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:13:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:13:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:13:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:13:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:13:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:13:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:13:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:13:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:13:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:13:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:13:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:13:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:13:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:13:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:13:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:13:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:13:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:13:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:13:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:13:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:13:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:13:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:13:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:13:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:13:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:13:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:13:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:13:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:13:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:13:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:13:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:13:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:13:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:13:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:13:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:13:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:13:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:13:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:13:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:13:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:13:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:13:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 03:13:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 03:13:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 03:13:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:33,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 03:13:33,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:13:33,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134178276] [2021-11-17 03:13:33,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134178276] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:13:33,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575877180] [2021-11-17 03:13:33,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:13:33,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:13:33,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:13:33,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:13:33,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 03:13:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:34,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 3528 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 03:13:34,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:13:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2021-11-17 03:13:36,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 03:13:36,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575877180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:13:36,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 03:13:36,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-11-17 03:13:36,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679377194] [2021-11-17 03:13:36,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:13:36,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 03:13:36,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:13:36,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 03:13:36,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 03:13:36,103 INFO L87 Difference]: Start difference. First operand 3946 states and 5902 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 03:13:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:13:36,347 INFO L93 Difference]: Finished difference Result 11649 states and 17480 transitions. [2021-11-17 03:13:36,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 03:13:36,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 549 [2021-11-17 03:13:36,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:13:36,404 INFO L225 Difference]: With dead ends: 11649 [2021-11-17 03:13:36,405 INFO L226 Difference]: Without dead ends: 7790 [2021-11-17 03:13:36,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 03:13:36,433 INFO L933 BasicCegarLoop]: 3533 mSDtfsCounter, 2876 mSDsluCounter, 2940 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2876 SdHoareTripleChecker+Valid, 6473 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 03:13:36,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2876 Valid, 6473 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 03:13:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7790 states. [2021-11-17 03:13:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7790 to 7786. [2021-11-17 03:13:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7786 states, 6087 states have (on average 1.458025299819287) internal successors, (8875), 6257 states have internal predecessors, (8875), 1389 states have call successors, (1389), 312 states have call predecessors, (1389), 309 states have return successors, (1402), 1336 states have call predecessors, (1402), 1386 states have call successors, (1402) [2021-11-17 03:13:36,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7786 states to 7786 states and 11666 transitions. [2021-11-17 03:13:36,938 INFO L78 Accepts]: Start accepts. Automaton has 7786 states and 11666 transitions. Word has length 549 [2021-11-17 03:13:36,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:13:36,941 INFO L470 AbstractCegarLoop]: Abstraction has 7786 states and 11666 transitions. [2021-11-17 03:13:36,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2021-11-17 03:13:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7786 states and 11666 transitions. [2021-11-17 03:13:36,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-11-17 03:13:36,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:13:36,954 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:13:36,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 03:13:37,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:13:37,180 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:13:37,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:13:37,181 INFO L85 PathProgramCache]: Analyzing trace with hash 735573619, now seen corresponding path program 1 times [2021-11-17 03:13:37,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:13:37,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486752887] [2021-11-17 03:13:37,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:13:37,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:13:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:13:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:13:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:13:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:13:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:13:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:13:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:13:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:13:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:13:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:13:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:13:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:13:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:13:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:13:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:13:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:13:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:13:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:13:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:13:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:13:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:13:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:13:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:13:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:13:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:13:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:13:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:13:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:13:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:13:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:13:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:13:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:13:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:13:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:13:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:13:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:13:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:13:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:13:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:13:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:13:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:13:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:13:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 03:13:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 03:13:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:13:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 03:13:38,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:13:38,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486752887] [2021-11-17 03:13:38,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486752887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:13:38,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:13:38,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:13:38,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647072589] [2021-11-17 03:13:38,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:13:38,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:13:38,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:13:38,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:13:38,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:13:38,148 INFO L87 Difference]: Start difference. First operand 7786 states and 11666 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-17 03:13:40,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:43,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:45,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:47,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:50,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:52,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:54,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:57,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:04,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:09,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:12,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:14,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:14,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:14:14,738 INFO L93 Difference]: Finished difference Result 24472 states and 37394 transitions. [2021-11-17 03:14:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:14:14,822 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 560 [2021-11-17 03:14:14,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:14:14,956 INFO L225 Difference]: With dead ends: 24472 [2021-11-17 03:14:14,956 INFO L226 Difference]: Without dead ends: 16779 [2021-11-17 03:14:15,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:14:15,011 INFO L933 BasicCegarLoop]: 3154 mSDtfsCounter, 5471 mSDsluCounter, 6760 mSDsCounter, 0 mSdLazyCounter, 4441 mSolverCounterSat, 2004 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5752 SdHoareTripleChecker+Valid, 9914 SdHoareTripleChecker+Invalid, 6457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2004 IncrementalHoareTripleChecker+Valid, 4441 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2021-11-17 03:14:15,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5752 Valid, 9914 Invalid, 6457 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2004 Valid, 4441 Invalid, 12 Unknown, 0 Unchecked, 35.8s Time] [2021-11-17 03:14:15,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16779 states. [2021-11-17 03:14:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16779 to 13976. [2021-11-17 03:14:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13976 states, 10916 states have (on average 1.4555698057896664) internal successors, (15889), 11224 states have internal predecessors, (15889), 2473 states have call successors, (2473), 589 states have call predecessors, (2473), 586 states have return successors, (2506), 2374 states have call predecessors, (2506), 2469 states have call successors, (2506) [2021-11-17 03:14:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13976 states to 13976 states and 20868 transitions. [2021-11-17 03:14:15,789 INFO L78 Accepts]: Start accepts. Automaton has 13976 states and 20868 transitions. Word has length 560 [2021-11-17 03:14:15,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:14:15,790 INFO L470 AbstractCegarLoop]: Abstraction has 13976 states and 20868 transitions. [2021-11-17 03:14:15,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-17 03:14:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 13976 states and 20868 transitions. [2021-11-17 03:14:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2021-11-17 03:14:15,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:14:15,800 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:14:15,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 03:14:15,801 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:14:15,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:14:15,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2090824844, now seen corresponding path program 1 times [2021-11-17 03:14:15,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:14:15,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502990378] [2021-11-17 03:14:15,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:14:15,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:14:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:14:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:14:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:14:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:14:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:14:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:14:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:14:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:14:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:14:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:14:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:14:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:14:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:14:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:14:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:14:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:14:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:14:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:14:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:14:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:14:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:14:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:14:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:14:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:14:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:14:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:14:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:14:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:14:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:14:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:14:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:14:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:14:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:14:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:14:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:14:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:14:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:14:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:14:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:14:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:14:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:14:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:14:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:14:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:14:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:14:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:14:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:14:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:14:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:14:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:14:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:14:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 03:14:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-11-17 03:14:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:14:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-11-17 03:14:16,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:14:16,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502990378] [2021-11-17 03:14:16,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502990378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:14:16,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:14:16,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:14:16,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242638338] [2021-11-17 03:14:16,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:14:16,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:14:16,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:14:16,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:14:16,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:14:16,643 INFO L87 Difference]: Start difference. First operand 13976 states and 20868 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 03:14:20,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:22,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:24,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:26,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:29,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:31,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:33,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:35,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:37,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:40,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:42,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:44,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:46,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:48,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:50,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:54,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:57,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:59,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:04,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:06,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:09,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:11,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:14,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:16,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:15:18,920 INFO L93 Difference]: Finished difference Result 40657 states and 61909 transitions. [2021-11-17 03:15:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:15:18,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 559 [2021-11-17 03:15:18,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:15:19,097 INFO L225 Difference]: With dead ends: 40657 [2021-11-17 03:15:19,098 INFO L226 Difference]: Without dead ends: 26772 [2021-11-17 03:15:19,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:15:19,174 INFO L933 BasicCegarLoop]: 3913 mSDtfsCounter, 4815 mSDsluCounter, 7787 mSDsCounter, 0 mSdLazyCounter, 4868 mSolverCounterSat, 1902 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5080 SdHoareTripleChecker+Valid, 11700 SdHoareTripleChecker+Invalid, 6794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1902 IncrementalHoareTripleChecker+Valid, 4868 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.1s IncrementalHoareTripleChecker+Time [2021-11-17 03:15:19,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5080 Valid, 11700 Invalid, 6794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1902 Valid, 4868 Invalid, 24 Unknown, 0 Unchecked, 61.1s Time] [2021-11-17 03:15:19,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26772 states. [2021-11-17 03:15:20,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26772 to 20553. [2021-11-17 03:15:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20553 states, 16182 states have (on average 1.4512421208750463) internal successors, (23484), 16612 states have internal predecessors, (23484), 3405 states have call successors, (3405), 972 states have call predecessors, (3405), 965 states have return successors, (3463), 3270 states have call predecessors, (3463), 3399 states have call successors, (3463) [2021-11-17 03:15:20,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20553 states to 20553 states and 30352 transitions. [2021-11-17 03:15:20,354 INFO L78 Accepts]: Start accepts. Automaton has 20553 states and 30352 transitions. Word has length 559 [2021-11-17 03:15:20,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:15:20,356 INFO L470 AbstractCegarLoop]: Abstraction has 20553 states and 30352 transitions. [2021-11-17 03:15:20,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 03:15:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 20553 states and 30352 transitions. [2021-11-17 03:15:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-11-17 03:15:20,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:15:20,369 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2021-11-17 03:15:20,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 03:15:20,370 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:15:20,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:15:20,370 INFO L85 PathProgramCache]: Analyzing trace with hash 94351439, now seen corresponding path program 1 times [2021-11-17 03:15:20,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:15:20,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677575296] [2021-11-17 03:15:20,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:15:20,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:15:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:15:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:15:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:15:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:15:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:15:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:15:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:15:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:15:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:15:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:15:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:15:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:15:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:15:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:15:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:15:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:15:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:15:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:15:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:15:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:15:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:15:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:15:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:15:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:15:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:15:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:15:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:15:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:15:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:15:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:15:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:15:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:15:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:15:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:15:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:15:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:15:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:15:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:15:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:15:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:15:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:15:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:15:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 03:15:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 03:15:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 03:15:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-11-17 03:15:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 03:15:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-11-17 03:15:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-11-17 03:15:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2021-11-17 03:15:21,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:15:21,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677575296] [2021-11-17 03:15:21,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677575296] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:15:21,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874495388] [2021-11-17 03:15:21,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:15:21,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:15:21,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:15:21,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:15:21,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 03:15:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:22,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 03:15:22,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:15:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5688 trivial. 0 not checked. [2021-11-17 03:15:23,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 03:15:23,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874495388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:15:23,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 03:15:23,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-17 03:15:23,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932122867] [2021-11-17 03:15:23,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:15:23,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 03:15:23,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:15:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 03:15:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:15:23,280 INFO L87 Difference]: Start difference. First operand 20553 states and 30352 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2021-11-17 03:15:24,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:15:24,019 INFO L93 Difference]: Finished difference Result 41071 states and 60663 transitions. [2021-11-17 03:15:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 03:15:24,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 616 [2021-11-17 03:15:24,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:15:24,116 INFO L225 Difference]: With dead ends: 41071 [2021-11-17 03:15:24,117 INFO L226 Difference]: Without dead ends: 20621 [2021-11-17 03:15:24,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 827 GetRequests, 820 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:15:24,175 INFO L933 BasicCegarLoop]: 3077 mSDtfsCounter, 21 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 6126 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 03:15:24,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 6126 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 03:15:24,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20621 states. [2021-11-17 03:15:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20621 to 20565. [2021-11-17 03:15:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20565 states, 16194 states have (on average 1.450907743608744) internal successors, (23496), 16624 states have internal predecessors, (23496), 3405 states have call successors, (3405), 972 states have call predecessors, (3405), 965 states have return successors, (3463), 3270 states have call predecessors, (3463), 3399 states have call successors, (3463) [2021-11-17 03:15:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20565 states to 20565 states and 30364 transitions. [2021-11-17 03:15:25,127 INFO L78 Accepts]: Start accepts. Automaton has 20565 states and 30364 transitions. Word has length 616 [2021-11-17 03:15:25,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:15:25,127 INFO L470 AbstractCegarLoop]: Abstraction has 20565 states and 30364 transitions. [2021-11-17 03:15:25,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2021-11-17 03:15:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 20565 states and 30364 transitions. [2021-11-17 03:15:25,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-11-17 03:15:25,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:15:25,143 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2021-11-17 03:15:25,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-17 03:15:25,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-17 03:15:25,372 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:15:25,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:15:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1447898642, now seen corresponding path program 1 times [2021-11-17 03:15:25,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:15:25,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267470174] [2021-11-17 03:15:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:15:25,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:15:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:15:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:15:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:15:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:15:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:15:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:15:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:15:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:15:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:15:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:15:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:15:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:15:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:15:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:15:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:15:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:15:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:15:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:15:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:15:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:15:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:15:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:15:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:15:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:15:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:15:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:15:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:15:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:15:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:15:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:15:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:15:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:15:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:15:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:15:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:15:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:15:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:15:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:15:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:15:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:15:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:15:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:15:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 03:15:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 03:15:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 03:15:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-11-17 03:15:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 03:15:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:15:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:15:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-11-17 03:15:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-11-17 03:15:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2021-11-17 03:15:26,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:15:26,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267470174] [2021-11-17 03:15:26,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267470174] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:15:26,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501188713] [2021-11-17 03:15:26,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:15:26,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:15:26,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:15:26,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:15:26,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 03:15:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:15:27,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 3893 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 03:15:27,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:15:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 232 proven. 1 refuted. 0 times theorem prover too weak. 5455 trivial. 0 not checked. [2021-11-17 03:15:28,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:15:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2021-11-17 03:15:29,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501188713] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:15:29,609 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 03:15:29,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-11-17 03:15:29,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274050548] [2021-11-17 03:15:29,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 03:15:29,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 03:15:29,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:15:29,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 03:15:29,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:15:29,612 INFO L87 Difference]: Start difference. First operand 20565 states and 30364 transitions. Second operand has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 03:15:32,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:34,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:37,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:39,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:41,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:44,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:46,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:49,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:53,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:56,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:58,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:59,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:15:59,542 INFO L93 Difference]: Finished difference Result 47294 states and 71470 transitions. [2021-11-17 03:15:59,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:15:59,543 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 618 [2021-11-17 03:15:59,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:15:59,700 INFO L225 Difference]: With dead ends: 47294 [2021-11-17 03:15:59,700 INFO L226 Difference]: Without dead ends: 26832 [2021-11-17 03:15:59,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1448 GetRequests, 1438 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-11-17 03:15:59,771 INFO L933 BasicCegarLoop]: 2934 mSDtfsCounter, 3322 mSDsluCounter, 5450 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 2163 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 8384 SdHoareTripleChecker+Invalid, 4668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2021-11-17 03:15:59,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3389 Valid, 8384 Invalid, 4668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 2494 Invalid, 11 Unknown, 0 Unchecked, 28.9s Time] [2021-11-17 03:15:59,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26832 states. [2021-11-17 03:16:00,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26832 to 20613. [2021-11-17 03:16:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20613 states, 16242 states have (on average 1.4495751754710011) internal successors, (23544), 16672 states have internal predecessors, (23544), 3405 states have call successors, (3405), 972 states have call predecessors, (3405), 965 states have return successors, (3463), 3270 states have call predecessors, (3463), 3399 states have call successors, (3463) [2021-11-17 03:16:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20613 states to 20613 states and 30412 transitions. [2021-11-17 03:16:00,927 INFO L78 Accepts]: Start accepts. Automaton has 20613 states and 30412 transitions. Word has length 618 [2021-11-17 03:16:00,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:16:00,928 INFO L470 AbstractCegarLoop]: Abstraction has 20613 states and 30412 transitions. [2021-11-17 03:16:00,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 03:16:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 20613 states and 30412 transitions. [2021-11-17 03:16:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2021-11-17 03:16:00,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:16:00,943 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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] [2021-11-17 03:16:00,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 03:16:01,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:16:01,172 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:16:01,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:16:01,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2063733830, now seen corresponding path program 2 times [2021-11-17 03:16:01,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:16:01,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58843596] [2021-11-17 03:16:01,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:16:01,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:16:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:16:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:16:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:16:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:16:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:16:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:16:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:16:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:16:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:16:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:16:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:16:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:16:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:16:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:16:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:16:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:16:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:16:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:16:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:16:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:16:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:16:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:16:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:16:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:16:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:16:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:16:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:16:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:16:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:16:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:16:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:16:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:16:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:16:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:16:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:16:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:16:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:16:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:16:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:16:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:16:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:16:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:16:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 03:16:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 03:16:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-11-17 03:16:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-11-17 03:16:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 03:16:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-11-17 03:16:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 03:16:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2021-11-17 03:16:02,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:16:02,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58843596] [2021-11-17 03:16:02,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58843596] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:16:02,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655652960] [2021-11-17 03:16:02,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 03:16:02,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:16:02,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:16:02,213 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:16:02,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 03:16:22,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 03:16:22,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:16:22,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 3911 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-17 03:16:22,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:16:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 232 proven. 16 refuted. 0 times theorem prover too weak. 5455 trivial. 0 not checked. [2021-11-17 03:16:23,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:16:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2021-11-17 03:16:24,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655652960] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:16:24,895 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 03:16:24,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2021-11-17 03:16:24,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242373845] [2021-11-17 03:16:24,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 03:16:24,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-17 03:16:24,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:16:24,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-17 03:16:24,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-17 03:16:24,898 INFO L87 Difference]: Start difference. First operand 20613 states and 30412 transitions. Second operand has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 13 states have internal predecessors, (164), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 03:16:28,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:30,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:32,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:36,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:38,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:40,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:42,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:44,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:46,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:51,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:53,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:58,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:00,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:04,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:06,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:17:07,006 INFO L93 Difference]: Finished difference Result 47438 states and 71638 transitions. [2021-11-17 03:17:07,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 03:17:07,007 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 13 states have internal predecessors, (164), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 624 [2021-11-17 03:17:07,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:17:07,178 INFO L225 Difference]: With dead ends: 47438 [2021-11-17 03:17:07,178 INFO L226 Difference]: Without dead ends: 26928 [2021-11-17 03:17:07,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1463 GetRequests, 1447 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-17 03:17:07,251 INFO L933 BasicCegarLoop]: 2924 mSDtfsCounter, 2535 mSDsluCounter, 14115 mSDsCounter, 0 mSdLazyCounter, 5866 mSolverCounterSat, 1654 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2602 SdHoareTripleChecker+Valid, 17039 SdHoareTripleChecker+Invalid, 7535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1654 IncrementalHoareTripleChecker+Valid, 5866 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2021-11-17 03:17:07,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2602 Valid, 17039 Invalid, 7535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1654 Valid, 5866 Invalid, 15 Unknown, 0 Unchecked, 41.0s Time] [2021-11-17 03:17:07,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26928 states. [2021-11-17 03:17:08,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26928 to 20709. [2021-11-17 03:17:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20709 states, 16338 states have (on average 1.44693352919574) internal successors, (23640), 16768 states have internal predecessors, (23640), 3405 states have call successors, (3405), 972 states have call predecessors, (3405), 965 states have return successors, (3463), 3270 states have call predecessors, (3463), 3399 states have call successors, (3463) [2021-11-17 03:17:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20709 states to 20709 states and 30508 transitions. [2021-11-17 03:17:08,530 INFO L78 Accepts]: Start accepts. Automaton has 20709 states and 30508 transitions. Word has length 624 [2021-11-17 03:17:08,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:17:08,531 INFO L470 AbstractCegarLoop]: Abstraction has 20709 states and 30508 transitions. [2021-11-17 03:17:08,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.647058823529411) internal successors, (164), 13 states have internal predecessors, (164), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 03:17:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 20709 states and 30508 transitions. [2021-11-17 03:17:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2021-11-17 03:17:08,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:17:08,546 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2021-11-17 03:17:08,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 03:17:08,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:17:08,760 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:17:08,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:17:08,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1042302034, now seen corresponding path program 3 times [2021-11-17 03:17:08,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:17:08,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965517804] [2021-11-17 03:17:08,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:17:08,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:17:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:17:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:17:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:17:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:17:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:17:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:17:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:17:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:17:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:17:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 03:17:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 03:17:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 03:17:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 03:17:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:17:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 03:17:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:17:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:17:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 03:17:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:17:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 03:17:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:17:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:17:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 03:17:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 03:17:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 03:17:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:17:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 03:17:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 03:17:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 03:17:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:17:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 03:17:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 03:17:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:17:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 03:17:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:17:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 03:17:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 03:17:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 03:17:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 03:17:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 03:17:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 03:17:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:17:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 03:17:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 03:17:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-11-17 03:17:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2021-11-17 03:17:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-11-17 03:17:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-11-17 03:17:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-11-17 03:17:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 6 proven. 100 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2021-11-17 03:17:09,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:17:09,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965517804] [2021-11-17 03:17:09,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965517804] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:17:09,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469349597] [2021-11-17 03:17:09,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-17 03:17:09,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:17:09,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:17:09,912 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:17:09,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 03:17:34,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-17 03:17:34,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:17:35,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-17 03:17:35,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:17:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 5332 trivial. 0 not checked. [2021-11-17 03:17:36,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 03:17:36,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469349597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:17:36,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 03:17:36,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 21 [2021-11-17 03:17:36,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615923904] [2021-11-17 03:17:36,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:17:36,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 03:17:36,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:17:36,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 03:17:36,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2021-11-17 03:17:36,400 INFO L87 Difference]: Start difference. First operand 20709 states and 30508 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-17 03:17:37,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:17:37,776 INFO L93 Difference]: Finished difference Result 41433 states and 61762 transitions. [2021-11-17 03:17:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 03:17:37,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 636 [2021-11-17 03:17:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:17:37,900 INFO L225 Difference]: With dead ends: 41433 [2021-11-17 03:17:37,900 INFO L226 Difference]: Without dead ends: 20751 [2021-11-17 03:17:37,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 837 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2021-11-17 03:17:37,993 INFO L933 BasicCegarLoop]: 3031 mSDtfsCounter, 6 mSDsluCounter, 12045 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15076 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-17 03:17:37,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 15076 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-17 03:17:38,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20751 states. [2021-11-17 03:17:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20751 to 20751. [2021-11-17 03:17:38,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20751 states, 16366 states have (on average 1.4470243187095198) internal successors, (23682), 16810 states have internal predecessors, (23682), 3405 states have call successors, (3405), 972 states have call predecessors, (3405), 979 states have return successors, (3519), 3270 states have call predecessors, (3519), 3399 states have call successors, (3519) [2021-11-17 03:17:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20751 states to 20751 states and 30606 transitions. [2021-11-17 03:17:38,974 INFO L78 Accepts]: Start accepts. Automaton has 20751 states and 30606 transitions. Word has length 636 [2021-11-17 03:17:38,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:17:38,975 INFO L470 AbstractCegarLoop]: Abstraction has 20751 states and 30606 transitions. [2021-11-17 03:17:38,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 3 states have call successors, (59), 2 states have call predecessors, (59), 4 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-17 03:17:38,975 INFO L276 IsEmpty]: Start isEmpty. Operand 20751 states and 30606 transitions. [2021-11-17 03:17:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2021-11-17 03:17:38,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:17:38,987 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2021-11-17 03:17:39,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 03:17:39,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-17 03:17:39,189 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:17:39,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:17:39,190 INFO L85 PathProgramCache]: Analyzing trace with hash -349628970, now seen corresponding path program 1 times [2021-11-17 03:17:39,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:17:39,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147066597] [2021-11-17 03:17:39,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:17:39,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:17:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:17:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:17:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:17:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:17:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:17:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:17:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:17:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:17:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:17:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 03:17:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:17:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 03:17:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 03:17:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 03:17:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:17:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 03:17:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:17:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 03:17:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 03:17:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:17:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 03:17:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 03:17:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 03:17:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 03:17:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 03:17:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 03:17:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 03:17:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 03:17:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 03:17:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 03:17:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:17:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 03:17:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 03:17:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 03:17:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 03:17:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 03:17:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 03:17:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 03:17:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 03:17:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 03:17:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 03:17:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 03:17:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 03:17:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 03:17:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-11-17 03:17:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-11-17 03:17:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-11-17 03:17:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:17:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:17:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2021-11-17 03:17:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2021-11-17 03:17:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 6 proven. 100 refuted. 0 times theorem prover too weak. 7398 trivial. 0 not checked. [2021-11-17 03:17:40,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:17:40,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147066597] [2021-11-17 03:17:40,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147066597] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:17:40,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710541500] [2021-11-17 03:17:40,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:17:40,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:17:40,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:17:40,650 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:17:40,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 03:17:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:17:41,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 4151 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-17 03:17:41,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:17:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 232 proven. 100 refuted. 0 times theorem prover too weak. 7172 trivial. 0 not checked. [2021-11-17 03:17:43,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:17:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 6 proven. 100 refuted. 0 times theorem prover too weak. 7398 trivial. 0 not checked. [2021-11-17 03:17:44,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710541500] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:17:44,685 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 03:17:44,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 29 [2021-11-17 03:17:44,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282895401] [2021-11-17 03:17:44,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 03:17:44,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-17 03:17:44,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:17:44,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-17 03:17:44,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=501, Unknown=0, NotChecked=0, Total=812 [2021-11-17 03:17:44,691 INFO L87 Difference]: Start difference. First operand 20751 states and 30606 transitions. Second operand has 29 states, 29 states have (on average 6.517241379310345) internal successors, (189), 25 states have internal predecessors, (189), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 03:17:48,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:50,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:52,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:55,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:57,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:59,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:02,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:04,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:06,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:11,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:13,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:18,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:20,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:23,663 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:25,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:18:26,528 INFO L93 Difference]: Finished difference Result 47737 states and 71965 transitions. [2021-11-17 03:18:26,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-17 03:18:26,529 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.517241379310345) internal successors, (189), 25 states have internal predecessors, (189), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 670 [2021-11-17 03:18:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:18:26,636 INFO L225 Difference]: With dead ends: 47737 [2021-11-17 03:18:26,636 INFO L226 Difference]: Without dead ends: 27089 [2021-11-17 03:18:26,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1561 GetRequests, 1533 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=317, Invalid=553, Unknown=0, NotChecked=0, Total=870 [2021-11-17 03:18:26,695 INFO L933 BasicCegarLoop]: 2856 mSDtfsCounter, 2591 mSDsluCounter, 13897 mSDsCounter, 0 mSdLazyCounter, 5808 mSolverCounterSat, 1669 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2658 SdHoareTripleChecker+Valid, 16753 SdHoareTripleChecker+Invalid, 7492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1669 IncrementalHoareTripleChecker+Valid, 5808 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time [2021-11-17 03:18:26,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2658 Valid, 16753 Invalid, 7492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1669 Valid, 5808 Invalid, 15 Unknown, 0 Unchecked, 40.6s Time] [2021-11-17 03:18:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27089 states. [2021-11-17 03:18:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27089 to 20943. [2021-11-17 03:18:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20943 states, 16558 states have (on average 1.4418408020292306) internal successors, (23874), 17002 states have internal predecessors, (23874), 3405 states have call successors, (3405), 972 states have call predecessors, (3405), 979 states have return successors, (3519), 3270 states have call predecessors, (3519), 3399 states have call successors, (3519) [2021-11-17 03:18:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20943 states to 20943 states and 30798 transitions. [2021-11-17 03:18:27,695 INFO L78 Accepts]: Start accepts. Automaton has 20943 states and 30798 transitions. Word has length 670 [2021-11-17 03:18:27,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:18:27,696 INFO L470 AbstractCegarLoop]: Abstraction has 20943 states and 30798 transitions. [2021-11-17 03:18:27,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.517241379310345) internal successors, (189), 25 states have internal predecessors, (189), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 03:18:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 20943 states and 30798 transitions. [2021-11-17 03:18:27,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2021-11-17 03:18:27,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:18:27,711 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 34, 22, 22, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2021-11-17 03:18:27,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-17 03:18:27,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:18:27,928 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:18:27,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:18:27,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1285550330, now seen corresponding path program 2 times [2021-11-17 03:18:27,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:18:27,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835219121] [2021-11-17 03:18:27,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:18:27,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:18:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:18:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:18:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:18:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:18:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:18:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:18:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:18:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:18:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:18:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 03:18:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:18:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 03:18:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 03:18:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 03:18:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:18:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 03:18:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:18:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 03:18:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 03:18:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:18:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 03:18:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 03:18:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 03:18:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 03:18:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 03:18:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 03:18:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 03:18:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 03:18:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 03:18:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 03:18:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:18:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 03:18:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 03:18:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 03:18:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 03:18:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 03:18:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 03:18:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 03:18:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 03:18:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 03:18:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 03:18:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 03:18:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 03:18:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 03:18:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-11-17 03:18:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 03:18:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 03:18:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2021-11-17 03:18:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2021-11-17 03:18:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 7888 backedges. 6 proven. 484 refuted. 0 times theorem prover too weak. 7398 trivial. 0 not checked. [2021-11-17 03:18:29,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:18:29,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835219121] [2021-11-17 03:18:29,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835219121] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:18:29,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876166663] [2021-11-17 03:18:29,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 03:18:29,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:18:29,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:18:29,716 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:18:29,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-17 03:18:31,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 03:18:31,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:18:31,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 4223 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 03:18:31,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:18:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 7888 backedges. 232 proven. 484 refuted. 0 times theorem prover too weak. 7172 trivial. 0 not checked. [2021-11-17 03:18:33,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:18:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 7888 backedges. 6 proven. 484 refuted. 0 times theorem prover too weak. 7398 trivial. 0 not checked. [2021-11-17 03:18:35,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876166663] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:18:35,457 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 03:18:35,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25, 25] total 53 [2021-11-17 03:18:35,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625524996] [2021-11-17 03:18:35,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 03:18:35,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-17 03:18:35,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:18:35,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-17 03:18:35,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1187, Invalid=1569, Unknown=0, NotChecked=0, Total=2756 [2021-11-17 03:18:35,461 INFO L87 Difference]: Start difference. First operand 20943 states and 30798 transitions. Second operand has 53 states, 53 states have (on average 4.471698113207547) internal successors, (237), 49 states have internal predecessors, (237), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 03:18:39,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:41,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:45,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:47,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:49,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:52,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:54,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:59,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:05,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:08,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:10,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:13,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:13,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:19:13,854 INFO L93 Difference]: Finished difference Result 48313 states and 72637 transitions. [2021-11-17 03:19:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-17 03:19:13,855 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 4.471698113207547) internal successors, (237), 49 states have internal predecessors, (237), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 694 [2021-11-17 03:19:13,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:19:13,966 INFO L225 Difference]: With dead ends: 48313 [2021-11-17 03:19:13,966 INFO L226 Difference]: Without dead ends: 27473 [2021-11-17 03:19:14,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1621 GetRequests, 1569 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1193, Invalid=1669, Unknown=0, NotChecked=0, Total=2862 [2021-11-17 03:19:14,026 INFO L933 BasicCegarLoop]: 2911 mSDtfsCounter, 2561 mSDsluCounter, 19258 mSDsCounter, 0 mSdLazyCounter, 7758 mSolverCounterSat, 1633 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 22169 SdHoareTripleChecker+Invalid, 9403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1633 IncrementalHoareTripleChecker+Valid, 7758 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2021-11-17 03:19:14,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2628 Valid, 22169 Invalid, 9403 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1633 Valid, 7758 Invalid, 12 Unknown, 0 Unchecked, 37.0s Time] [2021-11-17 03:19:14,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27473 states. [2021-11-17 03:19:14,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27473 to 21327. [2021-11-17 03:19:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21327 states, 16942 states have (on average 1.4318262306693426) internal successors, (24258), 17386 states have internal predecessors, (24258), 3405 states have call successors, (3405), 972 states have call predecessors, (3405), 979 states have return successors, (3519), 3270 states have call predecessors, (3519), 3399 states have call successors, (3519) [2021-11-17 03:19:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21327 states to 21327 states and 31182 transitions. [2021-11-17 03:19:15,013 INFO L78 Accepts]: Start accepts. Automaton has 21327 states and 31182 transitions. Word has length 694 [2021-11-17 03:19:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:19:15,014 INFO L470 AbstractCegarLoop]: Abstraction has 21327 states and 31182 transitions. [2021-11-17 03:19:15,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.471698113207547) internal successors, (237), 49 states have internal predecessors, (237), 2 states have call successors, (110), 6 states have call predecessors, (110), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-17 03:19:15,014 INFO L276 IsEmpty]: Start isEmpty. Operand 21327 states and 31182 transitions. [2021-11-17 03:19:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2021-11-17 03:19:15,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:19:15,028 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 34, 34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2021-11-17 03:19:15,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-17 03:19:15,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:19:15,256 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:19:15,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:19:15,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2108141210, now seen corresponding path program 3 times [2021-11-17 03:19:15,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:19:15,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075855755] [2021-11-17 03:19:15,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:19:15,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:19:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:19:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:19:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:19:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:19:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:19:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:19:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:19:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:19:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:19:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 03:19:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:19:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 03:19:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 03:19:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 03:19:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:19:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 03:19:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:19:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 03:19:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 03:19:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 03:19:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 03:19:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 03:19:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 03:19:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 03:19:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 03:19:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 03:19:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 03:19:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 03:19:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 03:19:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 03:19:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 03:19:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 03:19:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 03:19:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 03:19:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 03:19:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 03:19:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 03:19:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 03:19:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 03:19:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 03:19:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 03:19:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 03:19:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 03:19:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 03:19:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2021-11-17 03:19:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-11-17 03:19:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2021-11-17 03:19:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:19:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:17,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:19:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 03:19:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 03:19:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:19:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 9520 backedges. 6 proven. 2116 refuted. 0 times theorem prover too weak. 7398 trivial. 0 not checked. [2021-11-17 03:19:18,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:19:18,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075855755] [2021-11-17 03:19:18,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075855755] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:19:18,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228332413] [2021-11-17 03:19:18,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-17 03:19:18,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:19:18,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:19:18,116 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:19:18,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-17 03:19:46,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-17 03:19:46,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:19:46,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-17 03:19:46,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:19:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9520 backedges. 554 proven. 1 refuted. 0 times theorem prover too weak. 8965 trivial. 0 not checked. [2021-11-17 03:19:48,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:19:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9520 backedges. 330 proven. 1 refuted. 0 times theorem prover too weak. 9189 trivial. 0 not checked. [2021-11-17 03:19:50,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228332413] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:19:50,558 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 03:19:50,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 7, 7] total 62 [2021-11-17 03:19:50,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927106993] [2021-11-17 03:19:50,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 03:19:50,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-11-17 03:19:50,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:19:50,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-11-17 03:19:50,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1213, Invalid=2569, Unknown=0, NotChecked=0, Total=3782 [2021-11-17 03:19:50,562 INFO L87 Difference]: Start difference. First operand 21327 states and 31182 transitions. Second operand has 62 states, 60 states have (on average 4.483333333333333) internal successors, (269), 58 states have internal predecessors, (269), 4 states have call successors, (117), 6 states have call predecessors, (117), 5 states have return successors, (69), 4 states have call predecessors, (69), 4 states have call successors, (69) [2021-11-17 03:19:58,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:00,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:02,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:06,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:08,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:10,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:13,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:16,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:18,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:20,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:23,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:25,353 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:27,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:34,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:36,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:43,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:45,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:49,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:51,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:53,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:55,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:56,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:20:56,548 INFO L93 Difference]: Finished difference Result 48844 states and 73900 transitions. [2021-11-17 03:20:56,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-17 03:20:56,548 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 60 states have (on average 4.483333333333333) internal successors, (269), 58 states have internal predecessors, (269), 4 states have call successors, (117), 6 states have call predecessors, (117), 5 states have return successors, (69), 4 states have call predecessors, (69), 4 states have call successors, (69) Word has length 742 [2021-11-17 03:20:56,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:20:56,710 INFO L225 Difference]: With dead ends: 48844 [2021-11-17 03:20:56,710 INFO L226 Difference]: Without dead ends: 27544 [2021-11-17 03:20:56,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1751 GetRequests, 1680 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1301, Invalid=3955, Unknown=0, NotChecked=0, Total=5256 [2021-11-17 03:20:56,762 INFO L933 BasicCegarLoop]: 2876 mSDtfsCounter, 1973 mSDsluCounter, 34597 mSDsCounter, 0 mSdLazyCounter, 13974 mSolverCounterSat, 1181 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 37473 SdHoareTripleChecker+Invalid, 15176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1181 IncrementalHoareTripleChecker+Valid, 13974 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.6s IncrementalHoareTripleChecker+Time [2021-11-17 03:20:56,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2044 Valid, 37473 Invalid, 15176 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1181 Valid, 13974 Invalid, 21 Unknown, 0 Unchecked, 63.6s Time] [2021-11-17 03:20:56,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27544 states. [2021-11-17 03:20:57,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27544 to 21362. [2021-11-17 03:20:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21362 states, 16975 states have (on average 1.4318114874815906) internal successors, (24305), 17419 states have internal predecessors, (24305), 3406 states have call successors, (3406), 973 states have call predecessors, (3406), 980 states have return successors, (3520), 3271 states have call predecessors, (3520), 3400 states have call successors, (3520) [2021-11-17 03:20:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21362 states to 21362 states and 31231 transitions. [2021-11-17 03:20:57,614 INFO L78 Accepts]: Start accepts. Automaton has 21362 states and 31231 transitions. Word has length 742 [2021-11-17 03:20:57,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:20:57,615 INFO L470 AbstractCegarLoop]: Abstraction has 21362 states and 31231 transitions. [2021-11-17 03:20:57,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 60 states have (on average 4.483333333333333) internal successors, (269), 58 states have internal predecessors, (269), 4 states have call successors, (117), 6 states have call predecessors, (117), 5 states have return successors, (69), 4 states have call predecessors, (69), 4 states have call successors, (69) [2021-11-17 03:20:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21362 states and 31231 transitions. [2021-11-17 03:20:57,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2021-11-17 03:20:57,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:20:57,629 INFO L514 BasicCegarLoop]: trace histogram [68, 47, 47, 34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2021-11-17 03:20:57,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-17 03:20:57,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-17 03:20:57,842 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:20:57,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:20:57,843 INFO L85 PathProgramCache]: Analyzing trace with hash 530189734, now seen corresponding path program 4 times [2021-11-17 03:20:57,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:20:57,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515723429] [2021-11-17 03:20:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:20:57,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:20:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:21:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:21:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:21:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:21:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:21:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:21:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:21:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:21:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 03:21:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:21:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 03:21:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 03:21:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 03:21:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-17 03:21:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 03:21:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 03:21:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 03:21:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 03:21:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 03:21:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 03:21:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 03:21:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 03:21:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 03:21:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 03:21:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 03:21:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 03:21:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 03:21:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 03:21:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-17 03:21:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 03:21:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 03:21:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 03:21:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 03:21:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-17 03:21:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 03:21:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 03:21:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 03:21:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 03:21:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 03:21:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 03:21:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 03:21:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 03:21:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-11-17 03:21:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-11-17 03:21:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2021-11-17 03:21:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2021-11-17 03:21:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 03:21:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2021-11-17 03:21:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2021-11-17 03:21:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12486 backedges. 6 proven. 2209 refuted. 0 times theorem prover too weak. 10271 trivial. 0 not checked. [2021-11-17 03:21:01,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:21:01,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515723429] [2021-11-17 03:21:01,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515723429] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:21:01,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185935895] [2021-11-17 03:21:01,031 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-17 03:21:01,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:21:01,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:21:01,032 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:21:01,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process Killed by 15