./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.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 65d40b2043e7a83af3849efad1c4fa824e696aef038aa449d52dadf52dd97034 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:35:33,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:35:33,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:35:33,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:35:33,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:35:33,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:35:33,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:35:33,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:35:33,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:35:33,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:35:33,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:35:33,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:35:33,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:35:33,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:35:33,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:35:33,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:35:33,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:35:33,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:35:33,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:35:33,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:35:33,763 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:35:33,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:35:33,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:35:33,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:35:33,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:35:33,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:35:33,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:35:33,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:35:33,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:35:33,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:35:33,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:35:33,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:35:33,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:35:33,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:35:33,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:35:33,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:35:33,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:35:33,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:35:33,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:35:33,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:35:33,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:35:33,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:35:33,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:35:33,826 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:35:33,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:35:33,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:35:33,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:35:33,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:35:33,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:35:33,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:35:33,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:35:33,830 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:35:33,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:35:33,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:35:33,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:35:33,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:35:33,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:35:33,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:35:33,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:35:33,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:35:33,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:35:33,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:35:33,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:35:33,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:35:33,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:35:33,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:35:33,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:35:33,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:35:33,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:35:33,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:35:33,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:35:33,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:35:33,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:35:33,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d40b2043e7a83af3849efad1c4fa824e696aef038aa449d52dadf52dd97034 [2022-07-21 12:35:34,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:35:34,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:35:34,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:35:34,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:35:34,203 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:35:34,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-21 12:35:34,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92fcdf802/af8a911a1b084b69848aae911223bcd8/FLAG99aa8d708 [2022-07-21 12:35:35,006 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:35:35,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-21 12:35:35,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92fcdf802/af8a911a1b084b69848aae911223bcd8/FLAG99aa8d708 [2022-07-21 12:35:35,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92fcdf802/af8a911a1b084b69848aae911223bcd8 [2022-07-21 12:35:35,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:35:35,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:35:35,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:35:35,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:35:35,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:35:35,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:35:35" (1/1) ... [2022-07-21 12:35:35,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac549f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:35, skipping insertion in model container [2022-07-21 12:35:35,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:35:35" (1/1) ... [2022-07-21 12:35:35,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:35:35,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:35:36,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i[222868,222881] [2022-07-21 12:35:36,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:35:36,880 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:35:37,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i[222868,222881] [2022-07-21 12:35:37,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:35:37,446 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:35:37,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37 WrapperNode [2022-07-21 12:35:37,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:35:37,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:35:37,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:35:37,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:35:37,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:37,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:38,063 INFO L137 Inliner]: procedures = 319, calls = 1696, calls flagged for inlining = 115, calls inlined = 107, statements flattened = 4067 [2022-07-21 12:35:38,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:35:38,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:35:38,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:35:38,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:35:38,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:38,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:38,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:38,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:38,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:38,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:38,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:39,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:35:39,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:35:39,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:35:39,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:35:39,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (1/1) ... [2022-07-21 12:35:39,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:35:39,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:35:39,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 12:35:39,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 12:35:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 12:35:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 12:35:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2022-07-21 12:35:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2022-07-21 12:35:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-21 12:35:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-21 12:35:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2022-07-21 12:35:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2022-07-21 12:35:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2022-07-21 12:35:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2022-07-21 12:35:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:35:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:35:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:35:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:35:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:35:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:35:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2022-07-21 12:35:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2022-07-21 12:35:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2022-07-21 12:35:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2022-07-21 12:35:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2022-07-21 12:35:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2022-07-21 12:35:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:35:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:35:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2022-07-21 12:35:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2022-07-21 12:35:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-21 12:35:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-21 12:35:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2022-07-21 12:35:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2022-07-21 12:35:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2022-07-21 12:35:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2022-07-21 12:35:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-07-21 12:35:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2022-07-21 12:35:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-21 12:35:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-21 12:35:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:35:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:35:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2022-07-21 12:35:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2022-07-21 12:35:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:35:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:35:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 12:35:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 12:35:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 12:35:39,130 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 12:35:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:35:39,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:35:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2022-07-21 12:35:39,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2022-07-21 12:35:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:35:39,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:35:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2022-07-21 12:35:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2022-07-21 12:35:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2022-07-21 12:35:39,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2022-07-21 12:35:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:35:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:35:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:35:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:35:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2022-07-21 12:35:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2022-07-21 12:35:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:35:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:35:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:35:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 12:35:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2022-07-21 12:35:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2022-07-21 12:35:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-21 12:35:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-21 12:35:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:35:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2022-07-21 12:35:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2022-07-21 12:35:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-21 12:35:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:35:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:35:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-07-21 12:35:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2022-07-21 12:35:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:35:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-21 12:35:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-21 12:35:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:35:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2022-07-21 12:35:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2022-07-21 12:35:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-21 12:35:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-21 12:35:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:35:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:35:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:35:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:35:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 12:35:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 12:35:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2022-07-21 12:35:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2022-07-21 12:35:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 12:35:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 12:35:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 12:35:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 12:35:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 12:35:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2022-07-21 12:35:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2022-07-21 12:35:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-21 12:35:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-21 12:35:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 12:35:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-21 12:35:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-21 12:35:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:35:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2022-07-21 12:35:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2022-07-21 12:35:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2022-07-21 12:35:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2022-07-21 12:35:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2022-07-21 12:35:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2022-07-21 12:35:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:35:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:35:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2022-07-21 12:35:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2022-07-21 12:35:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 12:35:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 12:35:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:35:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:35:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 12:35:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 12:35:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 12:35:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 12:35:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2022-07-21 12:35:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2022-07-21 12:35:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:35:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2022-07-21 12:35:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2022-07-21 12:35:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2022-07-21 12:35:39,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2022-07-21 12:35:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-21 12:35:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-21 12:35:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:35:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:35:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2022-07-21 12:35:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2022-07-21 12:35:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:35:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:35:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:35:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2022-07-21 12:35:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2022-07-21 12:35:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:35:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:35:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2022-07-21 12:35:39,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2022-07-21 12:35:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:35:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2022-07-21 12:35:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2022-07-21 12:35:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:35:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:35:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:35:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2022-07-21 12:35:39,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2022-07-21 12:35:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2022-07-21 12:35:39,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2022-07-21 12:35:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 12:35:39,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 12:35:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 12:35:39,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 12:35:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2022-07-21 12:35:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2022-07-21 12:35:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 12:35:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 12:35:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2022-07-21 12:35:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2022-07-21 12:35:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 12:35:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 12:35:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:35:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:35:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2022-07-21 12:35:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2022-07-21 12:35:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-21 12:35:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-21 12:35:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:35:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-21 12:35:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-21 12:35:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:35:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:35:39,844 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:35:39,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:35:40,032 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:35:48,491 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:35:48,511 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:35:48,512 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:35:48,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:35:48 BoogieIcfgContainer [2022-07-21 12:35:48,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:35:48,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:35:48,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:35:48,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:35:48,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:35:35" (1/3) ... [2022-07-21 12:35:48,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2233cd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:35:48, skipping insertion in model container [2022-07-21 12:35:48,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:35:37" (2/3) ... [2022-07-21 12:35:48,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2233cd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:35:48, skipping insertion in model container [2022-07-21 12:35:48,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:35:48" (3/3) ... [2022-07-21 12:35:48,528 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-21 12:35:48,541 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:35:48,542 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:35:48,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:35:48,634 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@58318ba, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@52e1c220 [2022-07-21 12:35:48,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:35:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 1301 states, 925 states have (on average 1.3383783783783785) internal successors, (1238), 956 states have internal predecessors, (1238), 294 states have call successors, (294), 81 states have call predecessors, (294), 80 states have return successors, (286), 281 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-21 12:35:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-07-21 12:35:48,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:35:48,672 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:35:48,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:35:48,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:35:48,677 INFO L85 PathProgramCache]: Analyzing trace with hash -10971896, now seen corresponding path program 1 times [2022-07-21 12:35:48,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:35:48,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518285471] [2022-07-21 12:35:48,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:35:48,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:35:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:35:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:35:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:35:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:35:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:35:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:35:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:35:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:35:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:35:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:35:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:35:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:35:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:35:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:35:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:35:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:35:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:35:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:35:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:35:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:35:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:35:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:35:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:35:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:35:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:35:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:35:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:35:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:35:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:35:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:35:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:35:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2022-07-21 12:35:50,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:35:50,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518285471] [2022-07-21 12:35:50,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518285471] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:35:50,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:35:50,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:35:50,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027566927] [2022-07-21 12:35:50,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:35:50,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:35:50,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:35:50,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:35:50,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:35:50,386 INFO L87 Difference]: Start difference. First operand has 1301 states, 925 states have (on average 1.3383783783783785) internal successors, (1238), 956 states have internal predecessors, (1238), 294 states have call successors, (294), 81 states have call predecessors, (294), 80 states have return successors, (286), 281 states have call predecessors, (286), 286 states have call successors, (286) Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-21 12:35:53,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:35:58,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:01,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:36:01,195 INFO L93 Difference]: Finished difference Result 4105 states and 6039 transitions. [2022-07-21 12:36:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:36:01,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 389 [2022-07-21 12:36:01,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:36:01,251 INFO L225 Difference]: With dead ends: 4105 [2022-07-21 12:36:01,251 INFO L226 Difference]: Without dead ends: 2779 [2022-07-21 12:36:01,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:36:01,274 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 3790 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 2268 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3944 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 3672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2268 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:36:01,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3944 Valid, 4248 Invalid, 3672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2268 Valid, 1402 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-07-21 12:36:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2779 states. [2022-07-21 12:36:01,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2779 to 2461. [2022-07-21 12:36:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 1773 states have (on average 1.323745064861816) internal successors, (2347), 1809 states have internal predecessors, (2347), 531 states have call successors, (531), 157 states have call predecessors, (531), 156 states have return successors, (524), 514 states have call predecessors, (524), 524 states have call successors, (524) [2022-07-21 12:36:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 3402 transitions. [2022-07-21 12:36:01,530 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 3402 transitions. Word has length 389 [2022-07-21 12:36:01,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:36:01,537 INFO L495 AbstractCegarLoop]: Abstraction has 2461 states and 3402 transitions. [2022-07-21 12:36:01,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-21 12:36:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3402 transitions. [2022-07-21 12:36:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-07-21 12:36:01,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:36:01,553 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:36:01,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:36:01,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:36:01,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:36:01,554 INFO L85 PathProgramCache]: Analyzing trace with hash -570042714, now seen corresponding path program 1 times [2022-07-21 12:36:01,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:36:01,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96262665] [2022-07-21 12:36:01,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:36:01,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:36:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:36:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:36:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:36:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:36:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:36:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:36:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:36:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:36:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:36:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:36:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:36:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:36:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:36:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:36:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:36:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:36:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:36:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:36:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:36:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:36:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:36:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:36:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:36:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:36:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:36:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:36:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:36:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:36:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-21 12:36:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2022-07-21 12:36:02,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:36:02,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96262665] [2022-07-21 12:36:02,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96262665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:36:02,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:36:02,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:36:02,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110511116] [2022-07-21 12:36:02,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:36:02,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:36:02,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:36:02,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:36:02,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:36:02,409 INFO L87 Difference]: Start difference. First operand 2461 states and 3402 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:36:05,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:09,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:14,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:16,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:20,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:22,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:23,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:36:23,611 INFO L93 Difference]: Finished difference Result 7793 states and 10965 transitions. [2022-07-21 12:36:23,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:36:23,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 399 [2022-07-21 12:36:23,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:36:23,649 INFO L225 Difference]: With dead ends: 7793 [2022-07-21 12:36:23,649 INFO L226 Difference]: Without dead ends: 5399 [2022-07-21 12:36:23,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:36:23,663 INFO L413 NwaCegarLoop]: 1884 mSDtfsCounter, 2953 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 1482 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3105 SdHoareTripleChecker+Valid, 5734 SdHoareTripleChecker+Invalid, 4008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1482 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:36:23,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3105 Valid, 5734 Invalid, 4008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1482 Valid, 2521 Invalid, 5 Unknown, 0 Unchecked, 20.8s Time] [2022-07-21 12:36:23,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2022-07-21 12:36:23,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 4757. [2022-07-21 12:36:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4757 states, 3434 states have (on average 1.322947000582411) internal successors, (4543), 3500 states have internal predecessors, (4543), 1012 states have call successors, (1012), 311 states have call predecessors, (1012), 310 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-21 12:36:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 4757 states and 6560 transitions. [2022-07-21 12:36:23,872 INFO L78 Accepts]: Start accepts. Automaton has 4757 states and 6560 transitions. Word has length 399 [2022-07-21 12:36:23,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:36:23,873 INFO L495 AbstractCegarLoop]: Abstraction has 4757 states and 6560 transitions. [2022-07-21 12:36:23,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:36:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4757 states and 6560 transitions. [2022-07-21 12:36:23,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-07-21 12:36:23,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:36:23,886 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:36:23,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:36:23,887 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:36:23,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:36:23,888 INFO L85 PathProgramCache]: Analyzing trace with hash 314844901, now seen corresponding path program 1 times [2022-07-21 12:36:23,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:36:23,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003664999] [2022-07-21 12:36:23,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:36:23,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:36:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:36:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:36:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:36:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:36:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:36:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:36:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:36:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:36:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:36:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:36:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:36:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:36:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:36:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:36:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:36:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:36:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:36:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:36:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:36:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:36:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:36:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:36:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:36:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:36:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:36:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:36:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:36:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:36:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 12:36:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-21 12:36:24,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:36:24,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003664999] [2022-07-21 12:36:24,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003664999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:36:24,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:36:24,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:36:24,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021059021] [2022-07-21 12:36:24,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:36:24,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:36:24,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:36:24,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:36:24,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:36:24,758 INFO L87 Difference]: Start difference. First operand 4757 states and 6560 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:36:28,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:30,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:34,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:34,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:36:34,790 INFO L93 Difference]: Finished difference Result 5382 states and 7635 transitions. [2022-07-21 12:36:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:36:34,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 409 [2022-07-21 12:36:34,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:36:34,829 INFO L225 Difference]: With dead ends: 5382 [2022-07-21 12:36:34,829 INFO L226 Difference]: Without dead ends: 5379 [2022-07-21 12:36:34,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:36:34,837 INFO L413 NwaCegarLoop]: 1645 mSDtfsCounter, 2699 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 1247 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2828 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1247 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:36:34,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2828 Valid, 2585 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1247 Valid, 619 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2022-07-21 12:36:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5379 states. [2022-07-21 12:36:35,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5379 to 4756. [2022-07-21 12:36:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4756 states, 3434 states have (on average 1.3226557949912638) internal successors, (4542), 3499 states have internal predecessors, (4542), 1011 states have call successors, (1011), 311 states have call predecessors, (1011), 310 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-21 12:36:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4756 states to 4756 states and 6558 transitions. [2022-07-21 12:36:35,156 INFO L78 Accepts]: Start accepts. Automaton has 4756 states and 6558 transitions. Word has length 409 [2022-07-21 12:36:35,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:36:35,161 INFO L495 AbstractCegarLoop]: Abstraction has 4756 states and 6558 transitions. [2022-07-21 12:36:35,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:36:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 6558 transitions. [2022-07-21 12:36:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-07-21 12:36:35,167 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:36:35,168 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:36:35,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:36:35,168 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:36:35,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:36:35,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1169847560, now seen corresponding path program 1 times [2022-07-21 12:36:35,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:36:35,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138356995] [2022-07-21 12:36:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:36:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:36:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:36:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:36:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:36:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:36:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:36:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:36:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:36:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:36:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:36:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:36:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:36:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:36:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:36:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:36:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:36:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:36:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:36:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:36:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:36:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:36:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:36:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:36:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:36:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:36:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:36:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:36:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:36:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:36:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:36,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 12:36:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:36,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:36,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-21 12:36:36,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:36:36,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138356995] [2022-07-21 12:36:36,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138356995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:36:36,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:36:36,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:36:36,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127523509] [2022-07-21 12:36:36,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:36:36,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:36:36,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:36:36,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:36:36,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:36:36,040 INFO L87 Difference]: Start difference. First operand 4756 states and 6558 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:36:40,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:44,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:48,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:50,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:52,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:36:53,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:36:53,269 INFO L93 Difference]: Finished difference Result 5381 states and 7633 transitions. [2022-07-21 12:36:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:36:53,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 410 [2022-07-21 12:36:53,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:36:53,305 INFO L225 Difference]: With dead ends: 5381 [2022-07-21 12:36:53,306 INFO L226 Difference]: Without dead ends: 5378 [2022-07-21 12:36:53,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:36:53,312 INFO L413 NwaCegarLoop]: 1635 mSDtfsCounter, 2280 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 872 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 4018 SdHoareTripleChecker+Invalid, 2320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 872 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:36:53,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 4018 Invalid, 2320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [872 Valid, 1443 Invalid, 5 Unknown, 0 Unchecked, 17.0s Time] [2022-07-21 12:36:53,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2022-07-21 12:36:53,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 4755. [2022-07-21 12:36:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4755 states, 3434 states have (on average 1.3223645894001166) internal successors, (4541), 3498 states have internal predecessors, (4541), 1010 states have call successors, (1010), 311 states have call predecessors, (1010), 310 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-21 12:36:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 4755 states and 6556 transitions. [2022-07-21 12:36:53,520 INFO L78 Accepts]: Start accepts. Automaton has 4755 states and 6556 transitions. Word has length 410 [2022-07-21 12:36:53,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:36:53,522 INFO L495 AbstractCegarLoop]: Abstraction has 4755 states and 6556 transitions. [2022-07-21 12:36:53,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:36:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 4755 states and 6556 transitions. [2022-07-21 12:36:53,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-21 12:36:53,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:36:53,528 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:36:53,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:36:53,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:36:53,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:36:53,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1905131080, now seen corresponding path program 1 times [2022-07-21 12:36:53,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:36:53,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978678341] [2022-07-21 12:36:53,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:36:53,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:36:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:36:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:36:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:36:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:36:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:36:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:36:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:36:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:36:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:36:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:36:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:36:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:36:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:36:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:36:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:36:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:36:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:36:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:36:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:36:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:36:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:36:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:36:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:36:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:36:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:36:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:36:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:36:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:36:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 12:36:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:36:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:36:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:36:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-21 12:36:54,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:36:54,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978678341] [2022-07-21 12:36:54,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978678341] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:36:54,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:36:54,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:36:54,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75168484] [2022-07-21 12:36:54,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:36:54,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:36:54,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:36:54,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:36:54,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:36:54,324 INFO L87 Difference]: Start difference. First operand 4755 states and 6556 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:36:58,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:00,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:02,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:04,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:06,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:09,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:12,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:15,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:17,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:18,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:37:18,155 INFO L93 Difference]: Finished difference Result 15276 states and 21942 transitions. [2022-07-21 12:37:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:37:18,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 411 [2022-07-21 12:37:18,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:37:18,223 INFO L225 Difference]: With dead ends: 15276 [2022-07-21 12:37:18,223 INFO L226 Difference]: Without dead ends: 10598 [2022-07-21 12:37:18,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:37:18,252 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 3559 mSDsluCounter, 2510 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 2076 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3696 SdHoareTripleChecker+Valid, 4607 SdHoareTripleChecker+Invalid, 3516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2076 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:37:18,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3696 Valid, 4607 Invalid, 3516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2076 Valid, 1434 Invalid, 6 Unknown, 0 Unchecked, 23.4s Time] [2022-07-21 12:37:18,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10598 states. [2022-07-21 12:37:18,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10598 to 9495. [2022-07-21 12:37:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9495 states, 6856 states have (on average 1.3214702450408402) internal successors, (9060), 6996 states have internal predecessors, (9060), 1989 states have call successors, (1989), 607 states have call predecessors, (1989), 649 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-21 12:37:18,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 13412 transitions. [2022-07-21 12:37:18,684 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 13412 transitions. Word has length 411 [2022-07-21 12:37:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:37:18,684 INFO L495 AbstractCegarLoop]: Abstraction has 9495 states and 13412 transitions. [2022-07-21 12:37:18,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:37:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 13412 transitions. [2022-07-21 12:37:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-21 12:37:18,690 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:37:18,691 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:37:18,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:37:18,691 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:37:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:37:18,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1070878709, now seen corresponding path program 1 times [2022-07-21 12:37:18,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:37:18,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909894433] [2022-07-21 12:37:18,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:37:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:37:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:37:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:37:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:37:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:37:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:37:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:37:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:37:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:37:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:37:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:37:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:37:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:37:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:37:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:37:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:37:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:37:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:37:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:37:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:37:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:37:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:37:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:37:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:37:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:37:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:37:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:37:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:37:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:37:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 12:37:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-21 12:37:19,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:37:19,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909894433] [2022-07-21 12:37:19,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909894433] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:37:19,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:37:19,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:37:19,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535204130] [2022-07-21 12:37:19,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:37:19,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:37:19,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:37:19,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:37:19,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:37:19,583 INFO L87 Difference]: Start difference. First operand 9495 states and 13412 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:37:23,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:28,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:30,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:33,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 12:37:35,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 12:37:38,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:41,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:43,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:43,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:37:43,885 INFO L93 Difference]: Finished difference Result 10585 states and 15255 transitions. [2022-07-21 12:37:43,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:37:43,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 412 [2022-07-21 12:37:43,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:37:43,940 INFO L225 Difference]: With dead ends: 10585 [2022-07-21 12:37:43,941 INFO L226 Difference]: Without dead ends: 10582 [2022-07-21 12:37:43,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:37:43,950 INFO L413 NwaCegarLoop]: 1633 mSDtfsCounter, 2275 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 873 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 4011 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 873 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:37:43,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 4011 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [873 Valid, 1441 Invalid, 8 Unknown, 0 Unchecked, 24.0s Time] [2022-07-21 12:37:43,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10582 states. [2022-07-21 12:37:44,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10582 to 9494. [2022-07-21 12:37:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9494 states, 6856 states have (on average 1.3213243873978997) internal successors, (9059), 6995 states have internal predecessors, (9059), 1988 states have call successors, (1988), 607 states have call predecessors, (1988), 649 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-21 12:37:44,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9494 states to 9494 states and 13410 transitions. [2022-07-21 12:37:44,369 INFO L78 Accepts]: Start accepts. Automaton has 9494 states and 13410 transitions. Word has length 412 [2022-07-21 12:37:44,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:37:44,370 INFO L495 AbstractCegarLoop]: Abstraction has 9494 states and 13410 transitions. [2022-07-21 12:37:44,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:37:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 9494 states and 13410 transitions. [2022-07-21 12:37:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-21 12:37:44,375 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:37:44,375 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:37:44,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 12:37:44,376 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:37:44,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:37:44,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1162103211, now seen corresponding path program 1 times [2022-07-21 12:37:44,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:37:44,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524542222] [2022-07-21 12:37:44,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:37:44,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:37:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:37:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:37:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:37:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:37:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:37:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:37:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:37:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:37:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:37:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:37:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:37:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:37:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:37:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:37:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:37:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:37:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:44,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:37:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:37:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:37:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:37:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:37:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:37:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:37:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:37:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:37:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:37:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:37:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:37:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 12:37:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-21 12:37:45,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:37:45,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524542222] [2022-07-21 12:37:45,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524542222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:37:45,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:37:45,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:37:45,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375756217] [2022-07-21 12:37:45,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:37:45,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:37:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:37:45,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:37:45,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:37:45,184 INFO L87 Difference]: Start difference. First operand 9494 states and 13410 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:37:48,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:54,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:56,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:37:57,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:37:57,083 INFO L93 Difference]: Finished difference Result 10584 states and 15253 transitions. [2022-07-21 12:37:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:37:57,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 413 [2022-07-21 12:37:57,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:37:57,144 INFO L225 Difference]: With dead ends: 10584 [2022-07-21 12:37:57,145 INFO L226 Difference]: Without dead ends: 10572 [2022-07-21 12:37:57,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:37:57,157 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 2400 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 920 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2522 SdHoareTripleChecker+Valid, 3271 SdHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:37:57,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2522 Valid, 3271 Invalid, 1997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1074 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2022-07-21 12:37:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10572 states. [2022-07-21 12:37:57,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10572 to 9484. [2022-07-21 12:37:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9484 states, 6847 states have (on average 1.3208704542135241) internal successors, (9044), 6985 states have internal predecessors, (9044), 1987 states have call successors, (1987), 607 states have call predecessors, (1987), 649 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-21 12:37:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9484 states to 9484 states and 13394 transitions. [2022-07-21 12:37:57,593 INFO L78 Accepts]: Start accepts. Automaton has 9484 states and 13394 transitions. Word has length 413 [2022-07-21 12:37:57,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:37:57,594 INFO L495 AbstractCegarLoop]: Abstraction has 9484 states and 13394 transitions. [2022-07-21 12:37:57,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 12:37:57,594 INFO L276 IsEmpty]: Start isEmpty. Operand 9484 states and 13394 transitions. [2022-07-21 12:37:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-21 12:37:57,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:37:57,601 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-07-21 12:37:57,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 12:37:57,601 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:37:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:37:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash -2094402806, now seen corresponding path program 1 times [2022-07-21 12:37:57,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:37:57,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680387824] [2022-07-21 12:37:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:37:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:37:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:37:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:37:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:37:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:37:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:37:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:37:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:37:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:37:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:37:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:37:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:37:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:37:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:37:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:37:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:37:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:37:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:37:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:37:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:37:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:37:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:37:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:37:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:37:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:37:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:37:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:37:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:37:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:37:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:37:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-21 12:37:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 12:37:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-21 12:37:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:37:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 12:37:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 12:37:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 12:37:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:37:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:37:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-21 12:37:58,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:37:58,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680387824] [2022-07-21 12:37:58,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680387824] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:37:58,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:37:58,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:37:58,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426712129] [2022-07-21 12:37:58,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:37:58,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:37:58,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:37:58,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:37:58,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:37:58,471 INFO L87 Difference]: Start difference. First operand 9484 states and 13394 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-07-21 12:38:02,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:13,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:15,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:38:16,619 INFO L93 Difference]: Finished difference Result 20552 states and 29942 transitions. [2022-07-21 12:38:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:38:16,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 442 [2022-07-21 12:38:16,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:38:16,689 INFO L225 Difference]: With dead ends: 20552 [2022-07-21 12:38:16,689 INFO L226 Difference]: Without dead ends: 11145 [2022-07-21 12:38:16,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-21 12:38:16,751 INFO L413 NwaCegarLoop]: 1621 mSDtfsCounter, 1570 mSDsluCounter, 3835 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 1448 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 5456 SdHoareTripleChecker+Invalid, 3877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1448 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:38:16,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 5456 Invalid, 3877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1448 Valid, 2426 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2022-07-21 12:38:16,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11145 states. [2022-07-21 12:38:17,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11145 to 9932. [2022-07-21 12:38:17,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9932 states, 7167 states have (on average 1.3121250174410493) internal successors, (9404), 7313 states have internal predecessors, (9404), 2019 states have call successors, (2019), 607 states have call predecessors, (2019), 745 states have return successors, (2747), 2083 states have call predecessors, (2747), 2015 states have call successors, (2747) [2022-07-21 12:38:17,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9932 states to 9932 states and 14170 transitions. [2022-07-21 12:38:17,415 INFO L78 Accepts]: Start accepts. Automaton has 9932 states and 14170 transitions. Word has length 442 [2022-07-21 12:38:17,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:38:17,416 INFO L495 AbstractCegarLoop]: Abstraction has 9932 states and 14170 transitions. [2022-07-21 12:38:17,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-07-21 12:38:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 9932 states and 14170 transitions. [2022-07-21 12:38:17,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-21 12:38:17,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:38:17,423 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-07-21 12:38:17,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 12:38:17,424 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:38:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:38:17,424 INFO L85 PathProgramCache]: Analyzing trace with hash -51471101, now seen corresponding path program 1 times [2022-07-21 12:38:17,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:38:17,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875394145] [2022-07-21 12:38:17,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:38:17,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:38:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:38:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:38:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:38:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:38:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:38:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:38:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:38:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:38:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:38:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:38:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:38:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:38:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:38:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:38:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:38:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:38:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:38:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:38:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:38:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:38:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:38:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:38:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:38:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:38:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:38:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:38:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:38:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:38:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:38:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-21 12:38:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-21 12:38:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 12:38:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 12:38:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-21 12:38:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-21 12:38:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 12:38:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:38:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:38:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-21 12:38:18,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:38:18,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875394145] [2022-07-21 12:38:18,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875394145] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:38:18,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:38:18,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:38:18,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957974014] [2022-07-21 12:38:18,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:38:18,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:38:18,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:38:18,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:38:18,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:38:18,274 INFO L87 Difference]: Start difference. First operand 9932 states and 14170 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-21 12:38:23,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:25,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:27,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:29,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:31,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:33,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:41,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:43,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:45,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:47,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:51,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:54,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:38:58,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:00,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:02,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:04,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:06,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:09,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:11,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:13,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:15,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:16,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:39:16,768 INFO L93 Difference]: Finished difference Result 31928 states and 47850 transitions. [2022-07-21 12:39:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 12:39:16,769 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 444 [2022-07-21 12:39:16,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:39:16,884 INFO L225 Difference]: With dead ends: 31928 [2022-07-21 12:39:16,885 INFO L226 Difference]: Without dead ends: 22073 [2022-07-21 12:39:16,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:39:16,941 INFO L413 NwaCegarLoop]: 1791 mSDtfsCounter, 3723 mSDsluCounter, 4779 mSDsCounter, 0 mSdLazyCounter, 4918 mSolverCounterSat, 2124 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3952 SdHoareTripleChecker+Valid, 6570 SdHoareTripleChecker+Invalid, 7061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2124 IncrementalHoareTripleChecker+Valid, 4918 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:39:16,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3952 Valid, 6570 Invalid, 7061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2124 Valid, 4918 Invalid, 19 Unknown, 0 Unchecked, 57.7s Time] [2022-07-21 12:39:16,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22073 states. [2022-07-21 12:39:17,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22073 to 19836. [2022-07-21 12:39:17,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19836 states, 14329 states have (on average 1.311675622862726) internal successors, (18795), 14635 states have internal predecessors, (18795), 3995 states have call successors, (3995), 1209 states have call predecessors, (3995), 1511 states have return successors, (6375), 4135 states have call predecessors, (6375), 3991 states have call successors, (6375) [2022-07-21 12:39:17,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19836 states to 19836 states and 29165 transitions. [2022-07-21 12:39:17,862 INFO L78 Accepts]: Start accepts. Automaton has 19836 states and 29165 transitions. Word has length 444 [2022-07-21 12:39:17,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:39:17,863 INFO L495 AbstractCegarLoop]: Abstraction has 19836 states and 29165 transitions. [2022-07-21 12:39:17,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-21 12:39:17,863 INFO L276 IsEmpty]: Start isEmpty. Operand 19836 states and 29165 transitions. [2022-07-21 12:39:17,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-21 12:39:17,870 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:39:17,870 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-07-21 12:39:17,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 12:39:17,871 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:39:17,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:39:17,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1414344436, now seen corresponding path program 1 times [2022-07-21 12:39:17,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:39:17,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353977568] [2022-07-21 12:39:17,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:39:17,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:39:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:39:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:39:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:39:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:39:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:39:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:39:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:39:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:39:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:39:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:39:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:39:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:39:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:39:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:39:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:39:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:39:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:39:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:39:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:39:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:39:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:39:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:39:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:39:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:39:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:39:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:39:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:39:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:39:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-21 12:39:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 12:39:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-21 12:39:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 12:39:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 12:39:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 12:39:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 12:39:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-21 12:39:18,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:39:18,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353977568] [2022-07-21 12:39:18,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353977568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:39:18,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:39:18,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:39:18,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759069478] [2022-07-21 12:39:18,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:39:18,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:39:18,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:39:18,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:39:18,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:39:18,540 INFO L87 Difference]: Start difference. First operand 19836 states and 29165 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-21 12:39:22,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:25,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:30,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:34,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:36,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:39:38,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:39:38,586 INFO L93 Difference]: Finished difference Result 52664 states and 81016 transitions. [2022-07-21 12:39:38,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 12:39:38,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 442 [2022-07-21 12:39:38,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:39:38,748 INFO L225 Difference]: With dead ends: 52664 [2022-07-21 12:39:38,749 INFO L226 Difference]: Without dead ends: 32905 [2022-07-21 12:39:38,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:39:38,826 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 4918 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 3260 mSolverCounterSat, 3409 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5147 SdHoareTripleChecker+Valid, 5175 SdHoareTripleChecker+Invalid, 6673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3409 IncrementalHoareTripleChecker+Valid, 3260 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:39:38,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5147 Valid, 5175 Invalid, 6673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3409 Valid, 3260 Invalid, 4 Unknown, 0 Unchecked, 18.8s Time] [2022-07-21 12:39:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32905 states. [2022-07-21 12:39:40,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32905 to 29630. [2022-07-21 12:39:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29630 states, 21399 states have (on average 1.3117435394177297) internal successors, (28070), 21897 states have internal predecessors, (28070), 5963 states have call successors, (5963), 1809 states have call predecessors, (5963), 2267 states have return successors, (10711), 6131 states have call predecessors, (10711), 5959 states have call successors, (10711) [2022-07-21 12:39:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29630 states to 29630 states and 44744 transitions. [2022-07-21 12:39:40,236 INFO L78 Accepts]: Start accepts. Automaton has 29630 states and 44744 transitions. Word has length 442 [2022-07-21 12:39:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:39:40,238 INFO L495 AbstractCegarLoop]: Abstraction has 29630 states and 44744 transitions. [2022-07-21 12:39:40,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-21 12:39:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 29630 states and 44744 transitions. [2022-07-21 12:39:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-07-21 12:39:40,244 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:39:40,245 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-07-21 12:39:40,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 12:39:40,245 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:39:40,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:39:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1391350884, now seen corresponding path program 1 times [2022-07-21 12:39:40,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:39:40,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546154864] [2022-07-21 12:39:40,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:39:40,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:39:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:39:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:39:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:39:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:39:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:39:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:39:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:39:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:39:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:39:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:39:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:39:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:39:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:39:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:39:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:39:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:39:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:39:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 12:39:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:39:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 12:39:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-21 12:39:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:39:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:39:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:39:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-21 12:39:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:39:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:39:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:39:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 12:39:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-21 12:39:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 12:39:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-21 12:39:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-21 12:39:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 12:39:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-21 12:39:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 12:39:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:39:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:39:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-21 12:39:41,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:39:41,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546154864] [2022-07-21 12:39:41,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546154864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:39:41,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:39:41,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:39:41,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165206530] [2022-07-21 12:39:41,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:39:41,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:39:41,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:39:41,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:39:41,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:39:41,131 INFO L87 Difference]: Start difference. First operand 29630 states and 44744 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39)