./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.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 4b03525ec5447375a01688a728ac5f10add5f84664db60bd75967c00682bdc6d --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:11:34,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:11:34,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:11:34,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:11:34,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:11:34,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:11:34,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:11:34,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:11:34,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:11:34,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:11:34,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:11:34,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:11:34,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:11:34,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:11:34,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:11:34,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:11:34,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:11:34,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:11:34,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:11:34,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:11:34,750 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:11:34,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:11:34,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:11:34,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:11:34,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:11:34,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:11:34,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:11:34,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:11:34,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:11:34,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:11:34,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:11:34,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:11:34,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:11:34,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:11:34,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:11:34,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:11:34,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:11:34,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:11:34,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:11:34,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:11:34,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:11:34,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:11:34,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:11:34,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:11:34,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:11:34,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:11:34,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:11:34,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:11:34,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:11:34,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:11:34,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:11:34,846 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:11:34,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:11:34,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:11:34,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:11:34,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:11:34,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:11:34,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:11:34,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:11:34,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:11:34,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:11:34,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:11:34,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:11:34,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:11:34,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:11:34,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:11:34,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:11:34,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:11:34,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:11:34,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:11:34,849 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:11:34,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:11:34,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:11:34,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b03525ec5447375a01688a728ac5f10add5f84664db60bd75967c00682bdc6d [2022-07-20 00:11:35,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:11:35,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:11:35,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:11:35,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:11:35,299 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:11:35,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:11:35,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14dcf16d/edc91bbc82d54d5898dca2508574ad2f/FLAG804c46928 [2022-07-20 00:11:36,447 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:11:36,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:11:36,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14dcf16d/edc91bbc82d54d5898dca2508574ad2f/FLAG804c46928 [2022-07-20 00:11:36,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14dcf16d/edc91bbc82d54d5898dca2508574ad2f [2022-07-20 00:11:36,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:11:36,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:11:36,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:11:36,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:11:36,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:11:36,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:11:36" (1/1) ... [2022-07-20 00:11:36,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6186e98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:36, skipping insertion in model container [2022-07-20 00:11:36,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:11:36" (1/1) ... [2022-07-20 00:11:36,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:11:37,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:11:39,835 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-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i[212825,212838] [2022-07-20 00:11:40,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:11:40,118 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:11:40,722 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-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i[212825,212838] [2022-07-20 00:11:40,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:11:40,885 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:11:40,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40 WrapperNode [2022-07-20 00:11:40,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:11:40,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:11:40,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:11:40,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:11:40,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,222 INFO L137 Inliner]: procedures = 272, calls = 2464, calls flagged for inlining = 116, calls inlined = 95, statements flattened = 3957 [2022-07-20 00:11:41,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:11:41,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:11:41,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:11:41,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:11:41,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:11:41,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:11:41,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:11:41,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:11:41,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (1/1) ... [2022-07-20 00:11:41,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:11:41,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:11:41,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 00:11:41,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 00:11:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 00:11:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 00:11:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-20 00:11:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-20 00:11:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 00:11:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 00:11:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-20 00:11:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:11:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:11:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:11:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:11:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:11:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:11:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-07-20 00:11:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-07-20 00:11:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 00:11:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 00:11:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-20 00:11:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-20 00:11:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:11:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:11:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-07-20 00:11:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-07-20 00:11:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-20 00:11:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-20 00:11:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:11:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:11:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:11:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:11:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-07-20 00:11:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-07-20 00:11:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-07-20 00:11:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-07-20 00:11:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2022-07-20 00:11:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2022-07-20 00:11:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:11:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:11:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:11:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:11:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:11:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:11:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2022-07-20 00:11:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-07-20 00:11:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-07-20 00:11:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-20 00:11:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:11:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:11:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:11:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:11:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 00:11:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 00:11:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-07-20 00:11:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-07-20 00:11:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-07-20 00:11:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-07-20 00:11:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-20 00:11:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-20 00:11:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:11:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-07-20 00:11:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-07-20 00:11:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:11:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:11:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:11:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-07-20 00:11:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-07-20 00:11:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-20 00:11:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-20 00:11:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:11:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 00:11:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 00:11:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-20 00:11:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-20 00:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:11:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2022-07-20 00:11:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2022-07-20 00:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 00:11:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 00:11:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 00:11:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 00:11:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-20 00:11:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-20 00:11:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:11:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:11:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:11:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-07-20 00:11:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-07-20 00:11:41,866 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-07-20 00:11:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-07-20 00:11:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-07-20 00:11:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-07-20 00:11:41,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:11:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:11:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:11:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:11:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2022-07-20 00:11:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2022-07-20 00:11:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:11:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-20 00:11:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-20 00:11:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:11:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:11:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-07-20 00:11:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-07-20 00:11:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2022-07-20 00:11:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2022-07-20 00:11:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 00:11:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 00:11:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:11:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2022-07-20 00:11:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2022-07-20 00:11:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:11:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-07-20 00:11:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-07-20 00:11:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:11:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-20 00:11:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-20 00:11:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-07-20 00:11:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-07-20 00:11:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-07-20 00:11:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-07-20 00:11:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 00:11:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 00:11:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2022-07-20 00:11:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2022-07-20 00:11:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-07-20 00:11:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-07-20 00:11:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-07-20 00:11:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-07-20 00:11:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-07-20 00:11:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-07-20 00:11:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:11:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-20 00:11:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-20 00:11:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:11:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:11:42,646 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:11:42,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:11:43,238 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:11:48,186 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:11:48,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:11:48,242 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 00:11:48,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:11:48 BoogieIcfgContainer [2022-07-20 00:11:48,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:11:48,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:11:48,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:11:48,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:11:48,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:11:36" (1/3) ... [2022-07-20 00:11:48,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2a10b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:11:48, skipping insertion in model container [2022-07-20 00:11:48,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:11:40" (2/3) ... [2022-07-20 00:11:48,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2a10b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:11:48, skipping insertion in model container [2022-07-20 00:11:48,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:11:48" (3/3) ... [2022-07-20 00:11:48,257 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-20 00:11:48,280 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:11:48,280 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:11:48,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:11:48,420 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@2fe57fc4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7f67a5e2 [2022-07-20 00:11:48,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:11:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 1142 states, 797 states have (on average 1.358845671267252) internal successors, (1083), 819 states have internal predecessors, (1083), 281 states have call successors, (281), 63 states have call predecessors, (281), 62 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) [2022-07-20 00:11:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-20 00:11:48,459 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:11:48,460 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:11:48,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:11:48,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:11:48,464 INFO L85 PathProgramCache]: Analyzing trace with hash -541643371, now seen corresponding path program 1 times [2022-07-20 00:11:48,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:11:48,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444155489] [2022-07-20 00:11:48,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:11:48,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:11:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:11:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:11:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:11:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:11:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:11:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:11:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:11:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:11:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:11:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:11:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:11:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:11:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:11:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:11:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:11:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:11:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:11:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:11:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-07-20 00:11:50,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:11:50,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444155489] [2022-07-20 00:11:50,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444155489] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:11:50,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:11:50,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:11:50,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809908451] [2022-07-20 00:11:50,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:11:50,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:11:50,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:11:50,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:11:50,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:11:50,124 INFO L87 Difference]: Start difference. First operand has 1142 states, 797 states have (on average 1.358845671267252) internal successors, (1083), 819 states have internal predecessors, (1083), 281 states have call successors, (281), 63 states have call predecessors, (281), 62 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:11:57,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:11:57,348 INFO L93 Difference]: Finished difference Result 2360 states and 3542 transitions. [2022-07-20 00:11:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:11:57,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 223 [2022-07-20 00:11:57,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:11:57,377 INFO L225 Difference]: With dead ends: 2360 [2022-07-20 00:11:57,399 INFO L226 Difference]: Without dead ends: 1209 [2022-07-20 00:11:57,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:11:57,412 INFO L413 NwaCegarLoop]: 1546 mSDtfsCounter, 413 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 3766 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 626 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:11:57,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 3766 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [626 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-20 00:11:57,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-07-20 00:11:57,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1128. [2022-07-20 00:11:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 792 states have (on average 1.332070707070707) internal successors, (1055), 805 states have internal predecessors, (1055), 274 states have call successors, (274), 62 states have call predecessors, (274), 61 states have return successors, (267), 266 states have call predecessors, (267), 267 states have call successors, (267) [2022-07-20 00:11:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1596 transitions. [2022-07-20 00:11:57,581 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1596 transitions. Word has length 223 [2022-07-20 00:11:57,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:11:57,582 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1596 transitions. [2022-07-20 00:11:57,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:11:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1596 transitions. [2022-07-20 00:11:57,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-20 00:11:57,589 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:11:57,590 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:11:57,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:11:57,590 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:11:57,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:11:57,591 INFO L85 PathProgramCache]: Analyzing trace with hash -53518269, now seen corresponding path program 1 times [2022-07-20 00:11:57,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:11:57,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102255963] [2022-07-20 00:11:57,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:11:57,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:11:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:11:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:11:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:11:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:11:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:11:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:11:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:11:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:11:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:11:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:11:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:11:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:11:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:11:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:58,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:11:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:11:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:11:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:11:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:11:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:11:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:11:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:11:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-07-20 00:11:58,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:11:58,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102255963] [2022-07-20 00:11:58,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102255963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:11:58,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:11:58,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:11:58,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508471600] [2022-07-20 00:11:58,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:11:58,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:11:58,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:11:58,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:11:58,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:11:58,028 INFO L87 Difference]: Start difference. First operand 1128 states and 1596 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-20 00:12:04,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:04,551 INFO L93 Difference]: Finished difference Result 3385 states and 4845 transitions. [2022-07-20 00:12:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:12:04,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 223 [2022-07-20 00:12:04,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:04,570 INFO L225 Difference]: With dead ends: 3385 [2022-07-20 00:12:04,571 INFO L226 Difference]: Without dead ends: 2301 [2022-07-20 00:12:04,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:12:04,588 INFO L413 NwaCegarLoop]: 1719 mSDtfsCounter, 2095 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 1328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 4381 SdHoareTripleChecker+Invalid, 3143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1328 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:04,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 4381 Invalid, 3143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1328 Valid, 1815 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-20 00:12:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2022-07-20 00:12:04,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2125. [2022-07-20 00:12:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1499 states have (on average 1.333555703802535) internal successors, (1999), 1520 states have internal predecessors, (1999), 505 states have call successors, (505), 121 states have call predecessors, (505), 120 states have return successors, (498), 495 states have call predecessors, (498), 498 states have call successors, (498) [2022-07-20 00:12:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3002 transitions. [2022-07-20 00:12:04,741 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3002 transitions. Word has length 223 [2022-07-20 00:12:04,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:04,744 INFO L495 AbstractCegarLoop]: Abstraction has 2125 states and 3002 transitions. [2022-07-20 00:12:04,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-20 00:12:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3002 transitions. [2022-07-20 00:12:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-20 00:12:04,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:04,747 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:12:04,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:12:04,750 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:04,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:04,763 INFO L85 PathProgramCache]: Analyzing trace with hash 476330222, now seen corresponding path program 1 times [2022-07-20 00:12:04,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:12:04,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431585464] [2022-07-20 00:12:04,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:04,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:12:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:12:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:12:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:12:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:12:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:12:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:12:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:12:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:12:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:12:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:12:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:12:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:12:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:12:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:12:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:12:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:12:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:12:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:12:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-07-20 00:12:05,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:12:05,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431585464] [2022-07-20 00:12:05,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431585464] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:05,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:05,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:12:05,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367753606] [2022-07-20 00:12:05,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:05,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:12:05,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:12:05,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:12:05,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:12:05,527 INFO L87 Difference]: Start difference. First operand 2125 states and 3002 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-20 00:12:10,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:12:13,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:12:18,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:18,648 INFO L93 Difference]: Finished difference Result 5438 states and 7756 transitions. [2022-07-20 00:12:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:12:18,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 224 [2022-07-20 00:12:18,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:18,683 INFO L225 Difference]: With dead ends: 5438 [2022-07-20 00:12:18,684 INFO L226 Difference]: Without dead ends: 3357 [2022-07-20 00:12:18,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:12:18,696 INFO L413 NwaCegarLoop]: 1706 mSDtfsCounter, 1358 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 3073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 970 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:18,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 5191 Invalid, 3073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [970 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2022-07-20 00:12:18,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2022-07-20 00:12:18,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3085. [2022-07-20 00:12:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 2192 states have (on average 1.3407846715328466) internal successors, (2939), 2213 states have internal predecessors, (2939), 707 states have call successors, (707), 186 states have call predecessors, (707), 185 states have return successors, (700), 697 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-20 00:12:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4346 transitions. [2022-07-20 00:12:18,925 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4346 transitions. Word has length 224 [2022-07-20 00:12:18,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:18,927 INFO L495 AbstractCegarLoop]: Abstraction has 3085 states and 4346 transitions. [2022-07-20 00:12:18,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-20 00:12:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4346 transitions. [2022-07-20 00:12:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-20 00:12:18,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:18,943 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:12:18,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:12:18,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:18,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:18,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1674045519, now seen corresponding path program 1 times [2022-07-20 00:12:18,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:12:18,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933042048] [2022-07-20 00:12:18,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:18,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:12:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:12:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:12:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:12:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:12:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:12:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:12:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:12:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:12:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:12:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:12:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:12:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:12:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:12:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:12:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:12:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:12:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:12:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:12:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:19,681 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-07-20 00:12:19,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:12:19,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933042048] [2022-07-20 00:12:19,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933042048] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:19,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:19,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:12:19,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467089184] [2022-07-20 00:12:19,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:19,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:12:19,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:12:19,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:12:19,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:12:19,684 INFO L87 Difference]: Start difference. First operand 3085 states and 4346 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-20 00:12:30,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:30,287 INFO L93 Difference]: Finished difference Result 9591 states and 13696 transitions. [2022-07-20 00:12:30,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:12:30,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 225 [2022-07-20 00:12:30,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:30,340 INFO L225 Difference]: With dead ends: 9591 [2022-07-20 00:12:30,355 INFO L226 Difference]: Without dead ends: 6560 [2022-07-20 00:12:30,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:12:30,368 INFO L413 NwaCegarLoop]: 1825 mSDtfsCounter, 2075 mSDsluCounter, 3569 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 1290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2299 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 3774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1290 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:30,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2299 Valid, 5394 Invalid, 3774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1290 Valid, 2484 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-07-20 00:12:30,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6560 states. [2022-07-20 00:12:30,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6560 to 6044. [2022-07-20 00:12:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6044 states, 4305 states have (on average 1.3423925667828107) internal successors, (5779), 4340 states have internal predecessors, (5779), 1371 states have call successors, (1371), 368 states have call predecessors, (1371), 367 states have return successors, (1364), 1359 states have call predecessors, (1364), 1364 states have call successors, (1364) [2022-07-20 00:12:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6044 states to 6044 states and 8514 transitions. [2022-07-20 00:12:30,840 INFO L78 Accepts]: Start accepts. Automaton has 6044 states and 8514 transitions. Word has length 225 [2022-07-20 00:12:30,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:30,841 INFO L495 AbstractCegarLoop]: Abstraction has 6044 states and 8514 transitions. [2022-07-20 00:12:30,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-20 00:12:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 6044 states and 8514 transitions. [2022-07-20 00:12:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-20 00:12:30,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:30,858 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:12:30,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:12:30,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:30,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:30,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1504703399, now seen corresponding path program 1 times [2022-07-20 00:12:30,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:12:30,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151810037] [2022-07-20 00:12:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:30,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:12:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:12:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:12:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:12:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:12:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:12:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:12:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:12:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:12:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:12:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:12:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:12:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:12:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:12:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:12:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:12:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:12:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:12:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:12:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-07-20 00:12:31,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:12:31,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151810037] [2022-07-20 00:12:31,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151810037] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:31,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:31,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:12:31,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557556578] [2022-07-20 00:12:31,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:31,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:12:31,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:12:31,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:12:31,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:12:31,565 INFO L87 Difference]: Start difference. First operand 6044 states and 8514 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-20 00:12:34,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:12:41,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:41,123 INFO L93 Difference]: Finished difference Result 18112 states and 25778 transitions. [2022-07-20 00:12:41,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:12:41,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 229 [2022-07-20 00:12:41,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:41,249 INFO L225 Difference]: With dead ends: 18112 [2022-07-20 00:12:41,249 INFO L226 Difference]: Without dead ends: 12122 [2022-07-20 00:12:41,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:12:41,266 INFO L413 NwaCegarLoop]: 1880 mSDtfsCounter, 2023 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 1210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 4731 SdHoareTripleChecker+Invalid, 3069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1210 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:41,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2250 Valid, 4731 Invalid, 3069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1210 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-20 00:12:41,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12122 states. [2022-07-20 00:12:41,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12122 to 11244. [2022-07-20 00:12:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11244 states, 8051 states have (on average 1.3410756427772947) internal successors, (10797), 8114 states have internal predecessors, (10797), 2501 states have call successors, (2501), 692 states have call predecessors, (2501), 691 states have return successors, (2494), 2485 states have call predecessors, (2494), 2494 states have call successors, (2494) [2022-07-20 00:12:41,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11244 states to 11244 states and 15792 transitions. [2022-07-20 00:12:41,570 INFO L78 Accepts]: Start accepts. Automaton has 11244 states and 15792 transitions. Word has length 229 [2022-07-20 00:12:41,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:41,571 INFO L495 AbstractCegarLoop]: Abstraction has 11244 states and 15792 transitions. [2022-07-20 00:12:41,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-20 00:12:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 11244 states and 15792 transitions. [2022-07-20 00:12:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-20 00:12:41,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:41,574 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:12:41,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 00:12:41,574 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:41,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:41,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1114523430, now seen corresponding path program 1 times [2022-07-20 00:12:41,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:12:41,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920873506] [2022-07-20 00:12:41,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:41,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:12:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:12:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:12:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:12:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:12:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:12:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:12:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:12:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:12:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:12:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:12:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:12:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:12:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:12:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:12:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:12:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:12:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:12:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:12:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:12:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:41,973 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-07-20 00:12:41,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:12:41,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920873506] [2022-07-20 00:12:41,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920873506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:41,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:41,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:12:41,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343964827] [2022-07-20 00:12:41,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:41,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:12:41,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:12:41,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:12:41,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:12:41,977 INFO L87 Difference]: Start difference. First operand 11244 states and 15792 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 00:12:50,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:50,841 INFO L93 Difference]: Finished difference Result 34840 states and 49310 transitions. [2022-07-20 00:12:50,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:12:50,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 237 [2022-07-20 00:12:50,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:51,005 INFO L225 Difference]: With dead ends: 34840 [2022-07-20 00:12:51,019 INFO L226 Difference]: Without dead ends: 23650 [2022-07-20 00:12:51,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:12:51,052 INFO L413 NwaCegarLoop]: 1944 mSDtfsCounter, 2063 mSDsluCounter, 3886 mSDsCounter, 0 mSdLazyCounter, 2550 mSolverCounterSat, 1235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2306 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 3785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1235 IncrementalHoareTripleChecker+Valid, 2550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:51,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2306 Valid, 5830 Invalid, 3785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1235 Valid, 2550 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-07-20 00:12:51,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23650 states. [2022-07-20 00:12:51,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23650 to 21638. [2022-07-20 00:12:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21638 states, 15549 states have (on average 1.340600681715866) internal successors, (20845), 15670 states have internal predecessors, (20845), 4725 states have call successors, (4725), 1364 states have call predecessors, (4725), 1363 states have return successors, (4718), 4699 states have call predecessors, (4718), 4718 states have call successors, (4718) [2022-07-20 00:12:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21638 states to 21638 states and 30288 transitions. [2022-07-20 00:12:51,886 INFO L78 Accepts]: Start accepts. Automaton has 21638 states and 30288 transitions. Word has length 237 [2022-07-20 00:12:51,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:12:51,886 INFO L495 AbstractCegarLoop]: Abstraction has 21638 states and 30288 transitions. [2022-07-20 00:12:51,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 00:12:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 21638 states and 30288 transitions. [2022-07-20 00:12:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 00:12:51,889 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:12:51,889 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:12:51,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:12:51,889 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:12:51,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:12:51,890 INFO L85 PathProgramCache]: Analyzing trace with hash -270050152, now seen corresponding path program 1 times [2022-07-20 00:12:51,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:12:51,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770178687] [2022-07-20 00:12:51,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:12:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:12:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:12:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:12:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:12:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:12:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:12:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:12:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:12:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:12:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:12:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:12:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:12:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:12:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:12:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:12:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:12:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:12:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:12:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:12:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:12:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 00:12:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:12:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:12:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-07-20 00:12:52,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:12:52,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770178687] [2022-07-20 00:12:52,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770178687] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:12:52,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:12:52,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:12:52,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240517758] [2022-07-20 00:12:52,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:12:52,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:12:52,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:12:52,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:12:52,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:12:52,279 INFO L87 Difference]: Start difference. First operand 21638 states and 30288 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 00:12:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:12:58,997 INFO L93 Difference]: Finished difference Result 66274 states and 93153 transitions. [2022-07-20 00:12:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:12:58,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 236 [2022-07-20 00:12:58,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:12:59,242 INFO L225 Difference]: With dead ends: 66274 [2022-07-20 00:12:59,242 INFO L226 Difference]: Without dead ends: 44690 [2022-07-20 00:12:59,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:12:59,291 INFO L413 NwaCegarLoop]: 2042 mSDtfsCounter, 2683 mSDsluCounter, 3053 mSDsCounter, 0 mSdLazyCounter, 1817 mSolverCounterSat, 2284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2932 SdHoareTripleChecker+Valid, 5095 SdHoareTripleChecker+Invalid, 4101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2284 IncrementalHoareTripleChecker+Valid, 1817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:12:59,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2932 Valid, 5095 Invalid, 4101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2284 Valid, 1817 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-20 00:12:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44690 states. [2022-07-20 00:13:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44690 to 40754. [2022-07-20 00:13:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40754 states, 29094 states have (on average 1.330239912009349) internal successors, (38702), 29331 states have internal predecessors, (38702), 8967 states have call successors, (8967), 2693 states have call predecessors, (8967), 2692 states have return successors, (8960), 8921 states have call predecessors, (8960), 8960 states have call successors, (8960) [2022-07-20 00:13:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40754 states to 40754 states and 56629 transitions. [2022-07-20 00:13:01,281 INFO L78 Accepts]: Start accepts. Automaton has 40754 states and 56629 transitions. Word has length 236 [2022-07-20 00:13:01,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:01,282 INFO L495 AbstractCegarLoop]: Abstraction has 40754 states and 56629 transitions. [2022-07-20 00:13:01,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 00:13:01,282 INFO L276 IsEmpty]: Start isEmpty. Operand 40754 states and 56629 transitions. [2022-07-20 00:13:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-20 00:13:01,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:01,285 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:13:01,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 00:13:01,299 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:01,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:01,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1243085319, now seen corresponding path program 1 times [2022-07-20 00:13:01,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:13:01,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297176468] [2022-07-20 00:13:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:13:01,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:13:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:13:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:13:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:13:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:13:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:13:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:13:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:13:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:13:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:13:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:13:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:13:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:13:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:13:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:13:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:13:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:13:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:13:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:13:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:13:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2022-07-20 00:13:02,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:13:02,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297176468] [2022-07-20 00:13:02,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297176468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:02,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:02,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:13:02,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846941865] [2022-07-20 00:13:02,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:02,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:13:02,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:13:02,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:13:02,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:13:02,837 INFO L87 Difference]: Start difference. First operand 40754 states and 56629 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:13:12,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:12,308 INFO L93 Difference]: Finished difference Result 50878 states and 69702 transitions. [2022-07-20 00:13:12,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:13:12,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 248 [2022-07-20 00:13:12,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:12,666 INFO L225 Difference]: With dead ends: 50878 [2022-07-20 00:13:12,679 INFO L226 Difference]: Without dead ends: 50874 [2022-07-20 00:13:12,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:13:12,719 INFO L413 NwaCegarLoop]: 1560 mSDtfsCounter, 1344 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 1658 mSolverCounterSat, 761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 4279 SdHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 761 IncrementalHoareTripleChecker+Valid, 1658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:13:12,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 4279 Invalid, 2419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [761 Valid, 1658 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-07-20 00:13:12,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50874 states. [2022-07-20 00:13:14,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50874 to 46610. [2022-07-20 00:13:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46610 states, 33308 states have (on average 1.3126876426083824) internal successors, (43723), 33543 states have internal predecessors, (43723), 9735 states have call successors, (9735), 3567 states have call predecessors, (9735), 3566 states have return successors, (9730), 9691 states have call predecessors, (9730), 9730 states have call successors, (9730) [2022-07-20 00:13:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46610 states to 46610 states and 63188 transitions. [2022-07-20 00:13:14,224 INFO L78 Accepts]: Start accepts. Automaton has 46610 states and 63188 transitions. Word has length 248 [2022-07-20 00:13:14,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:14,224 INFO L495 AbstractCegarLoop]: Abstraction has 46610 states and 63188 transitions. [2022-07-20 00:13:14,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:13:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 46610 states and 63188 transitions. [2022-07-20 00:13:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-07-20 00:13:14,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:14,226 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:13:14,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 00:13:14,227 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:14,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:14,227 INFO L85 PathProgramCache]: Analyzing trace with hash -119462002, now seen corresponding path program 1 times [2022-07-20 00:13:14,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:13:14,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138961840] [2022-07-20 00:13:14,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:13:14,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:13:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:13:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:13:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:13:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:13:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:13:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:13:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:13:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:13:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:13:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:13:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:13:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:13:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:13:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:13:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:13:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:13:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:13:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:13:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:13:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2022-07-20 00:13:14,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:13:14,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138961840] [2022-07-20 00:13:14,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138961840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:14,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:14,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:13:14,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710144371] [2022-07-20 00:13:14,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:14,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:13:14,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:13:14,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:13:14,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:13:14,557 INFO L87 Difference]: Start difference. First operand 46610 states and 63188 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:13:26,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:26,020 INFO L93 Difference]: Finished difference Result 118656 states and 160911 transitions. [2022-07-20 00:13:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:13:26,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 249 [2022-07-20 00:13:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:26,898 INFO L225 Difference]: With dead ends: 118656 [2022-07-20 00:13:26,899 INFO L226 Difference]: Without dead ends: 72104 [2022-07-20 00:13:27,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:13:27,005 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1333 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 976 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 4989 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 976 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:13:27,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 4989 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [976 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-07-20 00:13:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72104 states. [2022-07-20 00:13:29,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72104 to 65535. [2022-07-20 00:13:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65535 states, 46758 states have (on average 1.306877967406647) internal successors, (61107), 47396 states have internal predecessors, (61107), 13315 states have call successors, (13315), 5611 states have call predecessors, (13315), 5461 states have return successors, (13564), 12783 states have call predecessors, (13564), 13308 states have call successors, (13564) [2022-07-20 00:13:29,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65535 states to 65535 states and 87986 transitions. [2022-07-20 00:13:29,857 INFO L78 Accepts]: Start accepts. Automaton has 65535 states and 87986 transitions. Word has length 249 [2022-07-20 00:13:29,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:29,858 INFO L495 AbstractCegarLoop]: Abstraction has 65535 states and 87986 transitions. [2022-07-20 00:13:29,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:13:29,858 INFO L276 IsEmpty]: Start isEmpty. Operand 65535 states and 87986 transitions. [2022-07-20 00:13:29,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-20 00:13:29,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:29,861 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:13:29,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 00:13:29,861 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:29,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:29,862 INFO L85 PathProgramCache]: Analyzing trace with hash 591248874, now seen corresponding path program 1 times [2022-07-20 00:13:29,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:13:29,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881670164] [2022-07-20 00:13:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:13:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:13:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:13:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:13:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:13:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:13:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:13:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:13:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:13:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:13:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:13:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:13:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:13:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:13:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:13:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:13:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:13:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:13:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:13:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:13:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:13:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2022-07-20 00:13:30,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:13:30,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881670164] [2022-07-20 00:13:30,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881670164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:30,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:30,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:13:30,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855326722] [2022-07-20 00:13:30,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:30,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:13:30,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:13:30,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:13:30,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:13:30,529 INFO L87 Difference]: Start difference. First operand 65535 states and 87986 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:13:37,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:37,515 INFO L93 Difference]: Finished difference Result 71449 states and 96742 transitions. [2022-07-20 00:13:37,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:13:37,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 250 [2022-07-20 00:13:37,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:38,032 INFO L225 Difference]: With dead ends: 71449 [2022-07-20 00:13:38,032 INFO L226 Difference]: Without dead ends: 71439 [2022-07-20 00:13:38,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:13:38,063 INFO L413 NwaCegarLoop]: 1504 mSDtfsCounter, 1835 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 2967 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:13:38,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 2967 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [841 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-20 00:13:38,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71439 states. [2022-07-20 00:13:39,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71439 to 65527. [2022-07-20 00:13:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65527 states, 46751 states have (on average 1.3058544202263054) internal successors, (61050), 47388 states have internal predecessors, (61050), 13314 states have call successors, (13314), 5611 states have call predecessors, (13314), 5461 states have return successors, (13564), 12783 states have call predecessors, (13564), 13308 states have call successors, (13564) [2022-07-20 00:13:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65527 states to 65527 states and 87928 transitions. [2022-07-20 00:13:39,934 INFO L78 Accepts]: Start accepts. Automaton has 65527 states and 87928 transitions. Word has length 250 [2022-07-20 00:13:39,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:39,934 INFO L495 AbstractCegarLoop]: Abstraction has 65527 states and 87928 transitions. [2022-07-20 00:13:39,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 00:13:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 65527 states and 87928 transitions. [2022-07-20 00:13:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-20 00:13:39,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:39,937 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 4, 4, 4, 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] [2022-07-20 00:13:39,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 00:13:39,937 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:39,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:39,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1197906465, now seen corresponding path program 1 times [2022-07-20 00:13:39,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:13:39,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566946533] [2022-07-20 00:13:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:13:39,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:13:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:13:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:13:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:13:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:13:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:13:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:13:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:13:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:13:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:13:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:13:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:13:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:13:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:13:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:13:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:13:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:13:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:13:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:13:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:13:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 00:13:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 00:13:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 00:13:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:13:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 00:13:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 00:13:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-20 00:13:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:13:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2022-07-20 00:13:40,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:13:40,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566946533] [2022-07-20 00:13:40,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566946533] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:40,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:40,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:13:40,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122806725] [2022-07-20 00:13:40,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:40,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:13:40,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:13:40,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:13:40,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:13:40,611 INFO L87 Difference]: Start difference. First operand 65527 states and 87928 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-20 00:13:47,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:47,306 INFO L93 Difference]: Finished difference Result 102471 states and 137763 transitions. [2022-07-20 00:13:47,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:13:47,307 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 329 [2022-07-20 00:13:47,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:47,547 INFO L225 Difference]: With dead ends: 102471 [2022-07-20 00:13:47,548 INFO L226 Difference]: Without dead ends: 36986 [2022-07-20 00:13:47,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:13:47,798 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1127 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 1334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 4208 SdHoareTripleChecker+Invalid, 3618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1334 IncrementalHoareTripleChecker+Valid, 2284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:13:47,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 4208 Invalid, 3618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1334 Valid, 2284 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-20 00:13:47,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36986 states. [2022-07-20 00:13:48,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36986 to 33065. [2022-07-20 00:13:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33065 states, 23571 states have (on average 1.3066055746468117) internal successors, (30798), 23898 states have internal predecessors, (30798), 6724 states have call successors, (6724), 2845 states have call predecessors, (6724), 2769 states have return successors, (6846), 6449 states have call predecessors, (6846), 6718 states have call successors, (6846) [2022-07-20 00:13:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33065 states to 33065 states and 44368 transitions. [2022-07-20 00:13:49,016 INFO L78 Accepts]: Start accepts. Automaton has 33065 states and 44368 transitions. Word has length 329 [2022-07-20 00:13:49,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:49,017 INFO L495 AbstractCegarLoop]: Abstraction has 33065 states and 44368 transitions. [2022-07-20 00:13:49,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-20 00:13:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 33065 states and 44368 transitions. [2022-07-20 00:13:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-20 00:13:49,026 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:49,027 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 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] [2022-07-20 00:13:49,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 00:13:49,027 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:49,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:49,028 INFO L85 PathProgramCache]: Analyzing trace with hash 890788644, now seen corresponding path program 1 times [2022-07-20 00:13:49,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:13:49,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171983958] [2022-07-20 00:13:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:13:49,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:13:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:13:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:13:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:13:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:13:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:13:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:13:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:13:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:13:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:13:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:13:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:13:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:13:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:13:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:13:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:13:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:13:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:13:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:13:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:13:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:13:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:13:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:13:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:13:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:13:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:13:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:13:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:13:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 00:13:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 00:13:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2324 trivial. 0 not checked. [2022-07-20 00:13:49,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:13:49,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171983958] [2022-07-20 00:13:49,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171983958] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:49,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:49,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:13:49,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901927540] [2022-07-20 00:13:49,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:49,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:13:49,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:13:49,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:13:49,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:13:49,669 INFO L87 Difference]: Start difference. First operand 33065 states and 44368 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:13:54,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:13:54,946 INFO L93 Difference]: Finished difference Result 70205 states and 94715 transitions. [2022-07-20 00:13:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 00:13:54,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 402 [2022-07-20 00:13:54,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:13:55,160 INFO L225 Difference]: With dead ends: 70205 [2022-07-20 00:13:55,160 INFO L226 Difference]: Without dead ends: 37248 [2022-07-20 00:13:55,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:13:55,258 INFO L413 NwaCegarLoop]: 1863 mSDtfsCounter, 2412 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 1715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 4417 SdHoareTripleChecker+Invalid, 3381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1715 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:13:55,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 4417 Invalid, 3381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1715 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-20 00:13:55,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37248 states. [2022-07-20 00:13:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37248 to 32650. [2022-07-20 00:13:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32650 states, 23367 states have (on average 1.3043180553772413) internal successors, (30478), 23585 states have internal predecessors, (30478), 6528 states have call successors, (6528), 2773 states have call predecessors, (6528), 2754 states have return successors, (6479), 6419 states have call predecessors, (6479), 6479 states have call successors, (6479) [2022-07-20 00:13:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32650 states to 32650 states and 43485 transitions. [2022-07-20 00:13:56,371 INFO L78 Accepts]: Start accepts. Automaton has 32650 states and 43485 transitions. Word has length 402 [2022-07-20 00:13:56,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:13:56,372 INFO L495 AbstractCegarLoop]: Abstraction has 32650 states and 43485 transitions. [2022-07-20 00:13:56,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:13:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 32650 states and 43485 transitions. [2022-07-20 00:13:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-20 00:13:56,385 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:13:56,385 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:13:56,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 00:13:56,385 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:13:56,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:13:56,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2069767867, now seen corresponding path program 1 times [2022-07-20 00:13:56,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:13:56,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242636692] [2022-07-20 00:13:56,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:13:56,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:13:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:13:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:13:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:13:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:13:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:13:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:13:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:13:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:13:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:13:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:13:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:13:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:13:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:13:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:13:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:13:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:13:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:13:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:13:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:13:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:13:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:13:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:13:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:13:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:13:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:13:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:13:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:13:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:13:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:13:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 00:13:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:13:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-20 00:13:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:13:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2327 trivial. 0 not checked. [2022-07-20 00:13:56,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:13:56,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242636692] [2022-07-20 00:13:56,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242636692] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:13:56,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:13:56,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:13:56,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971901209] [2022-07-20 00:13:56,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:13:56,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:13:56,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:13:56,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:13:56,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:13:56,801 INFO L87 Difference]: Start difference. First operand 32650 states and 43485 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:14:05,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:14:05,944 INFO L93 Difference]: Finished difference Result 36176 states and 48463 transitions. [2022-07-20 00:14:05,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-20 00:14:05,945 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 418 [2022-07-20 00:14:05,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:14:06,043 INFO L225 Difference]: With dead ends: 36176 [2022-07-20 00:14:06,043 INFO L226 Difference]: Without dead ends: 36173 [2022-07-20 00:14:06,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-07-20 00:14:06,060 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 1517 mSDsluCounter, 2897 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 1211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 4429 SdHoareTripleChecker+Invalid, 4218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:14:06,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 4429 Invalid, 4218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1211 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-20 00:14:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36173 states. [2022-07-20 00:14:07,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36173 to 32649. [2022-07-20 00:14:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32649 states, 23367 states have (on average 1.301921513245175) internal successors, (30422), 23584 states have internal predecessors, (30422), 6527 states have call successors, (6527), 2773 states have call predecessors, (6527), 2754 states have return successors, (6479), 6419 states have call predecessors, (6479), 6479 states have call successors, (6479) [2022-07-20 00:14:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32649 states to 32649 states and 43428 transitions. [2022-07-20 00:14:07,409 INFO L78 Accepts]: Start accepts. Automaton has 32649 states and 43428 transitions. Word has length 418 [2022-07-20 00:14:07,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:14:07,410 INFO L495 AbstractCegarLoop]: Abstraction has 32649 states and 43428 transitions. [2022-07-20 00:14:07,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:14:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 32649 states and 43428 transitions. [2022-07-20 00:14:07,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-20 00:14:07,517 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:14:07,518 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:14:07,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 00:14:07,518 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:14:07,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:14:07,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1715396658, now seen corresponding path program 1 times [2022-07-20 00:14:07,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:14:07,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986316113] [2022-07-20 00:14:07,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:14:07,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:14:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:14:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:14:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:14:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:14:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:14:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:14:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:14:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:14:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:14:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:14:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:14:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:14:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:14:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:14:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:14:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:14:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:14:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:14:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:14:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:14:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:14:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:14:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:14:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:14:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:14:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:14:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:14:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 00:14:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 00:14:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:14:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 00:14:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:14:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:14:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:14:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:14:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-20 00:14:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:08,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2346 trivial. 0 not checked. [2022-07-20 00:14:08,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:14:08,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986316113] [2022-07-20 00:14:08,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986316113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:14:08,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:14:08,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 00:14:08,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729833885] [2022-07-20 00:14:08,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:14:08,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:14:08,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:14:08,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:14:08,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:14:08,547 INFO L87 Difference]: Start difference. First operand 32649 states and 43428 transitions. Second operand has 10 states, 10 states have (on average 12.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-20 00:14:21,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:14:21,780 INFO L93 Difference]: Finished difference Result 68761 states and 91749 transitions. [2022-07-20 00:14:21,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 00:14:21,780 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 470 [2022-07-20 00:14:21,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:14:21,883 INFO L225 Difference]: With dead ends: 68761 [2022-07-20 00:14:21,884 INFO L226 Difference]: Without dead ends: 36196 [2022-07-20 00:14:21,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2022-07-20 00:14:21,940 INFO L413 NwaCegarLoop]: 1463 mSDtfsCounter, 882 mSDsluCounter, 5519 mSDsCounter, 0 mSdLazyCounter, 4853 mSolverCounterSat, 980 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 6982 SdHoareTripleChecker+Invalid, 5833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 980 IncrementalHoareTripleChecker+Valid, 4853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:14:21,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 6982 Invalid, 5833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [980 Valid, 4853 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-07-20 00:14:21,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36196 states. [2022-07-20 00:14:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36196 to 32652. [2022-07-20 00:14:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32652 states, 23370 states have (on average 1.3015404364569962) internal successors, (30417), 23587 states have internal predecessors, (30417), 6527 states have call successors, (6527), 2773 states have call predecessors, (6527), 2754 states have return successors, (6479), 6419 states have call predecessors, (6479), 6479 states have call successors, (6479) [2022-07-20 00:14:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32652 states to 32652 states and 43423 transitions. [2022-07-20 00:14:23,558 INFO L78 Accepts]: Start accepts. Automaton has 32652 states and 43423 transitions. Word has length 470 [2022-07-20 00:14:23,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:14:23,559 INFO L495 AbstractCegarLoop]: Abstraction has 32652 states and 43423 transitions. [2022-07-20 00:14:23,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-20 00:14:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 32652 states and 43423 transitions. [2022-07-20 00:14:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-20 00:14:23,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:14:23,665 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:14:23,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 00:14:23,666 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:14:23,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:14:23,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1683759536, now seen corresponding path program 1 times [2022-07-20 00:14:23,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:14:23,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669136594] [2022-07-20 00:14:23,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:14:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:14:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:14:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:14:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:14:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:14:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:14:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:14:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:14:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:14:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:14:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:14:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:14:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:14:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:14:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:14:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:14:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:14:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:14:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:14:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:14:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:14:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:14:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:14:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:14:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:14:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:14:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:14:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:14:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 00:14:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 00:14:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:14:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 00:14:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:14:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:14:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:14:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:14:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-20 00:14:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2022-07-20 00:14:24,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:14:24,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669136594] [2022-07-20 00:14:24,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669136594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:14:24,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:14:24,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:14:24,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082910781] [2022-07-20 00:14:24,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:14:24,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:14:24,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:14:24,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:14:24,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:14:24,932 INFO L87 Difference]: Start difference. First operand 32652 states and 43423 transitions. Second operand has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-20 00:14:38,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:14:38,845 INFO L93 Difference]: Finished difference Result 88576 states and 124325 transitions. [2022-07-20 00:14:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:14:38,846 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 470 [2022-07-20 00:14:38,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:14:39,319 INFO L225 Difference]: With dead ends: 88576 [2022-07-20 00:14:39,320 INFO L226 Difference]: Without dead ends: 56032 [2022-07-20 00:14:39,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:14:39,390 INFO L413 NwaCegarLoop]: 2317 mSDtfsCounter, 2376 mSDsluCounter, 6491 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 1517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 8808 SdHoareTripleChecker+Invalid, 5981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1517 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:14:39,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 8808 Invalid, 5981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1517 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-07-20 00:14:39,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56032 states. [2022-07-20 00:14:40,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56032 to 32684. [2022-07-20 00:14:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32684 states, 23402 states have (on average 1.3004444064609861) internal successors, (30433), 23619 states have internal predecessors, (30433), 6527 states have call successors, (6527), 2773 states have call predecessors, (6527), 2754 states have return successors, (6479), 6419 states have call predecessors, (6479), 6479 states have call successors, (6479) [2022-07-20 00:14:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32684 states to 32684 states and 43439 transitions. [2022-07-20 00:14:41,144 INFO L78 Accepts]: Start accepts. Automaton has 32684 states and 43439 transitions. Word has length 470 [2022-07-20 00:14:41,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:14:41,145 INFO L495 AbstractCegarLoop]: Abstraction has 32684 states and 43439 transitions. [2022-07-20 00:14:41,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-20 00:14:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 32684 states and 43439 transitions. [2022-07-20 00:14:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-20 00:14:41,222 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:14:41,222 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:14:41,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 00:14:41,223 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:14:41,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:14:41,223 INFO L85 PathProgramCache]: Analyzing trace with hash -402514138, now seen corresponding path program 1 times [2022-07-20 00:14:41,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:14:41,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653058500] [2022-07-20 00:14:41,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:14:41,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:14:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:14:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:14:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:14:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:14:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:14:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:14:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:14:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:14:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:14:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:14:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:14:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:14:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:14:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:14:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:14:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:14:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:14:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:14:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:14:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:41,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:14:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:14:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:14:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:14:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:14:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:14:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:14:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:14:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:14:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 00:14:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 00:14:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:14:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 00:14:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:14:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:14:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:14:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:14:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-20 00:14:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:14:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:14:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2022-07-20 00:14:42,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:14:42,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653058500] [2022-07-20 00:14:42,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653058500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:14:42,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:14:42,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:14:42,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414128576] [2022-07-20 00:14:42,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:14:42,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:14:42,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:14:42,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:14:42,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:14:42,433 INFO L87 Difference]: Start difference. First operand 32684 states and 43439 transitions. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-20 00:14:55,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:14:57,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:14:57,794 INFO L93 Difference]: Finished difference Result 77315 states and 105733 transitions. [2022-07-20 00:14:57,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:14:57,795 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 476 [2022-07-20 00:14:57,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:14:58,152 INFO L225 Difference]: With dead ends: 77315 [2022-07-20 00:14:58,152 INFO L226 Difference]: Without dead ends: 44739 [2022-07-20 00:14:58,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:14:58,216 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 1383 mSDsluCounter, 5157 mSDsCounter, 0 mSdLazyCounter, 3849 mSolverCounterSat, 1009 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 7087 SdHoareTripleChecker+Invalid, 4858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1009 IncrementalHoareTripleChecker+Valid, 3849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:14:58,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1587 Valid, 7087 Invalid, 4858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1009 Valid, 3849 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2022-07-20 00:14:58,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44739 states. [2022-07-20 00:14:59,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44739 to 32716. [2022-07-20 00:14:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32716 states, 23418 states have (on average 1.2995558971731147) internal successors, (30433), 23635 states have internal predecessors, (30433), 6543 states have call successors, (6543), 2773 states have call predecessors, (6543), 2754 states have return successors, (6495), 6435 states have call predecessors, (6495), 6495 states have call successors, (6495) [2022-07-20 00:14:59,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32716 states to 32716 states and 43471 transitions. [2022-07-20 00:14:59,767 INFO L78 Accepts]: Start accepts. Automaton has 32716 states and 43471 transitions. Word has length 476 [2022-07-20 00:14:59,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:14:59,784 INFO L495 AbstractCegarLoop]: Abstraction has 32716 states and 43471 transitions. [2022-07-20 00:14:59,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-20 00:14:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 32716 states and 43471 transitions. [2022-07-20 00:14:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-07-20 00:14:59,856 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:14:59,856 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:14:59,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 00:14:59,857 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:14:59,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:14:59,858 INFO L85 PathProgramCache]: Analyzing trace with hash -341510626, now seen corresponding path program 1 times [2022-07-20 00:14:59,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:14:59,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509793387] [2022-07-20 00:14:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:14:59,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:15:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:15:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:15:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:15:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:15:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:15:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:15:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:15:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:15:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:15:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:15:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:15:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:15:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:15:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:15:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:15:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:15:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:15:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:15:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:15:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:15:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:15:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:15:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:15:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:15:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:15:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:15:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:15:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 00:15:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 00:15:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:15:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 00:15:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:15:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:15:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:15:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:15:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-20 00:15:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2349 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2022-07-20 00:15:01,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:15:01,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509793387] [2022-07-20 00:15:01,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509793387] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:15:01,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:15:01,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:15:01,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934590972] [2022-07-20 00:15:01,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:15:01,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:15:01,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:15:01,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:15:01,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:15:01,144 INFO L87 Difference]: Start difference. First operand 32716 states and 43471 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-20 00:15:12,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:15:12,180 INFO L93 Difference]: Finished difference Result 86799 states and 121338 transitions. [2022-07-20 00:15:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:15:12,180 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 480 [2022-07-20 00:15:12,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:15:12,384 INFO L225 Difference]: With dead ends: 86799 [2022-07-20 00:15:12,385 INFO L226 Difference]: Without dead ends: 54191 [2022-07-20 00:15:12,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:15:12,467 INFO L413 NwaCegarLoop]: 2202 mSDtfsCounter, 2535 mSDsluCounter, 5247 mSDsCounter, 0 mSdLazyCounter, 3549 mSolverCounterSat, 1830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2780 SdHoareTripleChecker+Valid, 7449 SdHoareTripleChecker+Invalid, 5379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1830 IncrementalHoareTripleChecker+Valid, 3549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:15:12,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2780 Valid, 7449 Invalid, 5379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1830 Valid, 3549 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-20 00:15:12,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54191 states. [2022-07-20 00:15:14,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54191 to 32364. [2022-07-20 00:15:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32364 states, 23198 states have (on average 1.2981291490645746) internal successors, (30114), 23399 states have internal predecessors, (30114), 6460 states have call successors, (6460), 2724 states have call predecessors, (6460), 2705 states have return successors, (6413), 6368 states have call predecessors, (6413), 6413 states have call successors, (6413) [2022-07-20 00:15:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32364 states to 32364 states and 42987 transitions. [2022-07-20 00:15:14,381 INFO L78 Accepts]: Start accepts. Automaton has 32364 states and 42987 transitions. Word has length 480 [2022-07-20 00:15:14,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:15:14,382 INFO L495 AbstractCegarLoop]: Abstraction has 32364 states and 42987 transitions. [2022-07-20 00:15:14,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-20 00:15:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32364 states and 42987 transitions. [2022-07-20 00:15:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2022-07-20 00:15:14,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:15:14,474 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:15:14,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 00:15:14,474 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:15:14,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:15:14,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1220363752, now seen corresponding path program 1 times [2022-07-20 00:15:14,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:15:14,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931997817] [2022-07-20 00:15:14,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:15:14,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:15:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:15:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:15:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:15:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:15:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:15:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:15:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:15:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:15:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:15:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:15:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:15:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:15:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:15:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:15:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:15:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:15:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:15:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:15:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:15:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:15:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:15:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:15:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:15:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:15:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:15:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:15:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:15:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 00:15:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 00:15:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:15:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 00:15:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:15:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:15:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:15:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:15:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-20 00:15:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 00:15:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-20 00:15:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-20 00:15:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-20 00:15:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-20 00:15:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-20 00:15:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-20 00:15:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-20 00:15:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-20 00:15:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2376 trivial. 0 not checked. [2022-07-20 00:15:15,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:15:15,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931997817] [2022-07-20 00:15:15,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931997817] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:15:15,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:15:15,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-20 00:15:15,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687887997] [2022-07-20 00:15:15,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:15:15,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 00:15:15,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:15:15,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 00:15:15,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:15:15,977 INFO L87 Difference]: Start difference. First operand 32364 states and 42987 transitions. Second operand has 12 states, 12 states have (on average 13.916666666666666) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (54), 9 states have call predecessors, (54), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-20 00:15:22,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:15:25,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:15:44,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:15:44,668 INFO L93 Difference]: Finished difference Result 99525 states and 132970 transitions. [2022-07-20 00:15:44,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-20 00:15:44,669 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.916666666666666) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (54), 9 states have call predecessors, (54), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 548 [2022-07-20 00:15:44,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:15:44,938 INFO L225 Difference]: With dead ends: 99525 [2022-07-20 00:15:44,939 INFO L226 Difference]: Without dead ends: 67269 [2022-07-20 00:15:45,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2022-07-20 00:15:45,025 INFO L413 NwaCegarLoop]: 2778 mSDtfsCounter, 3199 mSDsluCounter, 10536 mSDsCounter, 0 mSdLazyCounter, 9589 mSolverCounterSat, 2516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3362 SdHoareTripleChecker+Valid, 13314 SdHoareTripleChecker+Invalid, 12105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2516 IncrementalHoareTripleChecker+Valid, 9589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:15:45,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3362 Valid, 13314 Invalid, 12105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2516 Valid, 9589 Invalid, 0 Unknown, 0 Unchecked, 25.5s Time] [2022-07-20 00:15:45,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67269 states. [2022-07-20 00:15:47,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67269 to 58009. [2022-07-20 00:15:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58009 states, 41538 states have (on average 1.2947662381433869) internal successors, (53782), 41902 states have internal predecessors, (53782), 11614 states have call successors, (11614), 4875 states have call predecessors, (11614), 4856 states have return successors, (11567), 11455 states have call predecessors, (11567), 11567 states have call successors, (11567) [2022-07-20 00:15:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58009 states to 58009 states and 76963 transitions. [2022-07-20 00:15:47,972 INFO L78 Accepts]: Start accepts. Automaton has 58009 states and 76963 transitions. Word has length 548 [2022-07-20 00:15:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:15:47,973 INFO L495 AbstractCegarLoop]: Abstraction has 58009 states and 76963 transitions. [2022-07-20 00:15:47,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.916666666666666) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (54), 9 states have call predecessors, (54), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-20 00:15:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 58009 states and 76963 transitions. [2022-07-20 00:15:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2022-07-20 00:15:48,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:15:48,071 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:15:48,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 00:15:48,072 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:15:48,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:15:48,072 INFO L85 PathProgramCache]: Analyzing trace with hash 209246502, now seen corresponding path program 1 times [2022-07-20 00:15:48,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:15:48,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871579590] [2022-07-20 00:15:48,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:15:48,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:15:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:15:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:15:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:15:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:15:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:15:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:15:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:15:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:15:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:15:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:15:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:15:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:15:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:15:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:15:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:15:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:15:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:15:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:15:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:15:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:15:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:15:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:15:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:15:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:15:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:15:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:15:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:15:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 00:15:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 00:15:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:15:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 00:15:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:15:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:15:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:15:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:15:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-20 00:15:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 00:15:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-20 00:15:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-20 00:15:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-20 00:15:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-20 00:15:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-20 00:15:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-20 00:15:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-20 00:15:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-20 00:15:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 2368 trivial. 0 not checked. [2022-07-20 00:15:48,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:15:48,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871579590] [2022-07-20 00:15:48,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871579590] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:15:48,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586027978] [2022-07-20 00:15:48,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:15:48,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:15:48,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:15:48,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:15:48,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 00:15:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:50,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 6221 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:15:50,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:15:50,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2376 trivial. 0 not checked. [2022-07-20 00:15:50,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:15:50,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586027978] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:15:50,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:15:50,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2022-07-20 00:15:50,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582100527] [2022-07-20 00:15:50,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:15:50,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:15:50,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:15:50,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:15:50,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:15:50,318 INFO L87 Difference]: Start difference. First operand 58009 states and 76963 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-20 00:15:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:15:52,756 INFO L93 Difference]: Finished difference Result 116454 states and 154619 transitions. [2022-07-20 00:15:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:15:52,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 548 [2022-07-20 00:15:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:15:52,927 INFO L225 Difference]: With dead ends: 116454 [2022-07-20 00:15:52,928 INFO L226 Difference]: Without dead ends: 58553 [2022-07-20 00:15:53,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 727 GetRequests, 714 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-20 00:15:53,042 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 18 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:15:53,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3151 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 00:15:53,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58553 states. [2022-07-20 00:15:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58553 to 58553. [2022-07-20 00:15:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58553 states, 42082 states have (on average 1.2955182738463) internal successors, (54518), 42446 states have internal predecessors, (54518), 11614 states have call successors, (11614), 4875 states have call predecessors, (11614), 4856 states have return successors, (11567), 11455 states have call predecessors, (11567), 11567 states have call successors, (11567) [2022-07-20 00:15:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58553 states to 58553 states and 77699 transitions. [2022-07-20 00:15:55,689 INFO L78 Accepts]: Start accepts. Automaton has 58553 states and 77699 transitions. Word has length 548 [2022-07-20 00:15:55,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:15:55,690 INFO L495 AbstractCegarLoop]: Abstraction has 58553 states and 77699 transitions. [2022-07-20 00:15:55,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-20 00:15:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 58553 states and 77699 transitions. [2022-07-20 00:15:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2022-07-20 00:15:55,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:15:55,799 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:15:55,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:15:56,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:15:56,020 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:15:56,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:15:56,021 INFO L85 PathProgramCache]: Analyzing trace with hash 297726669, now seen corresponding path program 1 times [2022-07-20 00:15:56,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:15:56,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060105281] [2022-07-20 00:15:56,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:15:56,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:15:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:15:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:15:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:15:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:15:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:15:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:15:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:15:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:15:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:15:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:15:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:15:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:15:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:15:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:15:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:15:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:15:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:15:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:15:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:15:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:15:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:15:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:15:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:15:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:15:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:15:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:15:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:15:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 00:15:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 00:15:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:15:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 00:15:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:15:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:15:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:15:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:15:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-20 00:15:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 00:15:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-20 00:15:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-20 00:15:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-20 00:15:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 00:15:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-20 00:15:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-20 00:15:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-20 00:15:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:57,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-20 00:15:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-20 00:15:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2385 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 2371 trivial. 0 not checked. [2022-07-20 00:15:57,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:15:57,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060105281] [2022-07-20 00:15:57,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060105281] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:15:57,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283546336] [2022-07-20 00:15:57,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:15:57,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:15:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:15:57,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:15:57,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 00:15:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:58,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 6312 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-20 00:15:58,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:15:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2385 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2379 trivial. 0 not checked. [2022-07-20 00:15:58,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:15:58,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283546336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:15:58,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:15:58,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2022-07-20 00:15:58,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329702072] [2022-07-20 00:15:58,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:15:58,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:15:58,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:15:58,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:15:58,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2022-07-20 00:15:58,483 INFO L87 Difference]: Start difference. First operand 58553 states and 77699 transitions. Second operand has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-20 00:16:01,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:16:01,840 INFO L93 Difference]: Finished difference Result 139768 states and 191065 transitions. [2022-07-20 00:16:01,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:16:01,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) Word has length 554 [2022-07-20 00:16:01,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:16:02,212 INFO L225 Difference]: With dead ends: 139768 [2022-07-20 00:16:02,212 INFO L226 Difference]: Without dead ends: 81323 [2022-07-20 00:16:02,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2022-07-20 00:16:02,580 INFO L413 NwaCegarLoop]: 2299 mSDtfsCounter, 610 mSDsluCounter, 8576 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 10875 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:16:02,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 10875 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:16:02,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81323 states. [2022-07-20 00:16:05,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81323 to 59865. [2022-07-20 00:16:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59865 states, 43234 states have (on average 1.298006198824999) internal successors, (56118), 43598 states have internal predecessors, (56118), 11742 states have call successors, (11742), 4875 states have call predecessors, (11742), 4888 states have return successors, (11759), 11615 states have call predecessors, (11759), 11695 states have call successors, (11759) [2022-07-20 00:16:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59865 states to 59865 states and 79619 transitions. [2022-07-20 00:16:05,477 INFO L78 Accepts]: Start accepts. Automaton has 59865 states and 79619 transitions. Word has length 554 [2022-07-20 00:16:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:16:05,478 INFO L495 AbstractCegarLoop]: Abstraction has 59865 states and 79619 transitions. [2022-07-20 00:16:05,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-20 00:16:05,478 INFO L276 IsEmpty]: Start isEmpty. Operand 59865 states and 79619 transitions. [2022-07-20 00:16:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2022-07-20 00:16:05,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:16:05,574 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:16:05,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:16:05,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-07-20 00:16:05,800 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:16:05,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:16:05,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1836066699, now seen corresponding path program 1 times [2022-07-20 00:16:05,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:16:05,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582109307] [2022-07-20 00:16:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:16:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:16:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:16:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:16:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:16:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:16:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:16:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:16:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:16:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:16:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:16:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:16:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:16:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 00:16:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:16:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 00:16:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:16:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 00:16:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 00:16:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:16:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:16:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:16:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:16:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:16:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:16:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:16:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:16:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:16:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:16:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-20 00:16:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 00:16:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:16:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 00:16:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:16:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:16:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:16:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:16:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-20 00:16:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 00:16:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-20 00:16:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-20 00:16:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-20 00:16:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 00:16:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-20 00:16:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-20 00:16:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-20 00:16:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-20 00:16:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-20 00:16:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2385 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2376 trivial. 0 not checked. [2022-07-20 00:16:06,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:16:06,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582109307] [2022-07-20 00:16:06,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582109307] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:16:06,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174158351] [2022-07-20 00:16:06,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:16:06,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:16:06,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:16:06,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:16:06,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process