./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 65d40b2043e7a83af3849efad1c4fa824e696aef038aa449d52dadf52dd97034 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:04:28,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:04:28,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:04:28,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:04:28,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:04:28,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:04:28,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:04:28,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:04:28,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:04:28,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:04:28,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:04:28,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:04:28,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:04:28,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:04:28,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:04:28,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:04:28,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:04:28,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:04:28,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:04:28,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:04:28,402 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:04:28,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:04:28,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:04:28,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:04:28,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:04:28,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:04:28,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:04:28,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:04:28,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:04:28,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:04:28,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:04:28,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:04:28,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:04:28,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:04:28,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:04:28,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:04:28,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:04:28,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:04:28,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:04:28,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:04:28,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:04:28,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:04:28,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:04:28,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:04:28,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:04:28,452 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:04:28,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:04:28,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:04:28,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:04:28,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:04:28,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:04:28,454 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:04:28,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:04:28,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:04:28,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:04:28,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:04:28,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:04:28,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:04:28,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:04:28,456 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:04:28,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:04:28,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:04:28,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:04:28,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:04:28,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:04:28,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:04:28,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:04:28,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:04:28,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:04:28,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:04:28,458 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:04:28,458 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:04:28,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:04:28,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d40b2043e7a83af3849efad1c4fa824e696aef038aa449d52dadf52dd97034 [2022-07-20 01:04:28,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:04:28,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:04:28,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:04:28,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:04:28,727 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:04:28,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-20 01:04:28,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743de6304/7f2042274428460587322a9b43132ba6/FLAGd102fc002 [2022-07-20 01:04:29,464 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:04:29,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-20 01:04:29,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743de6304/7f2042274428460587322a9b43132ba6/FLAGd102fc002 [2022-07-20 01:04:29,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/743de6304/7f2042274428460587322a9b43132ba6 [2022-07-20 01:04:29,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:04:29,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:04:29,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:04:29,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:04:29,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:04:29,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:29" (1/1) ... [2022-07-20 01:04:29,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb340c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:29, skipping insertion in model container [2022-07-20 01:04:29,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:29" (1/1) ... [2022-07-20 01:04:29,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:04:29,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:04:31,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i[222868,222881] [2022-07-20 01:04:31,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:04:31,340 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:04:31,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i[222868,222881] [2022-07-20 01:04:31,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:04:31,760 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:04:31,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31 WrapperNode [2022-07-20 01:04:31,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:04:31,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:04:31,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:04:31,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:04:31,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:31,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:32,324 INFO L137 Inliner]: procedures = 319, calls = 1696, calls flagged for inlining = 115, calls inlined = 107, statements flattened = 4067 [2022-07-20 01:04:32,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:04:32,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:04:32,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:04:32,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:04:32,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:32,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:32,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:32,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:32,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:32,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:32,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:33,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:04:33,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:04:33,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:04:33,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:04:33,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (1/1) ... [2022-07-20 01:04:33,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:04:33,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:04:33,095 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 01:04:33,119 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 01:04:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 01:04:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 01:04:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2022-07-20 01:04:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2022-07-20 01:04:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-20 01:04:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-20 01:04:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2022-07-20 01:04:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2022-07-20 01:04:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2022-07-20 01:04:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2022-07-20 01:04:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:04:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:04:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:04:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:04:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:04:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:04:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2022-07-20 01:04:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2022-07-20 01:04:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2022-07-20 01:04:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2022-07-20 01:04:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2022-07-20 01:04:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2022-07-20 01:04:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:04:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:04:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2022-07-20 01:04:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2022-07-20 01:04:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 01:04:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 01:04:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2022-07-20 01:04:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2022-07-20 01:04:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2022-07-20 01:04:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2022-07-20 01:04:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-07-20 01:04:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2022-07-20 01:04:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-20 01:04:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-20 01:04:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 01:04:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 01:04:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2022-07-20 01:04:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2022-07-20 01:04:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:04:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:04:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-20 01:04:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-20 01:04:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 01:04:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 01:04:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:04:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:04:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2022-07-20 01:04:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2022-07-20 01:04:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:04:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:04:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2022-07-20 01:04:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2022-07-20 01:04:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2022-07-20 01:04:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2022-07-20 01:04:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 01:04:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 01:04:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:04:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:04:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2022-07-20 01:04:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2022-07-20 01:04:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:04:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:04:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:04:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 01:04:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2022-07-20 01:04:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2022-07-20 01:04:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-20 01:04:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-20 01:04:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:04:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2022-07-20 01:04:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2022-07-20 01:04:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 01:04:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:04:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:04:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-07-20 01:04:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2022-07-20 01:04:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:04:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-20 01:04:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-20 01:04:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:04:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2022-07-20 01:04:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2022-07-20 01:04:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-20 01:04:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-20 01:04:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 01:04:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 01:04:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:04:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:04:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 01:04:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 01:04:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2022-07-20 01:04:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2022-07-20 01:04:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 01:04:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 01:04:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 01:04:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 01:04:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 01:04:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2022-07-20 01:04:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2022-07-20 01:04:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 01:04:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 01:04:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:04:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-20 01:04:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-20 01:04:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:04:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2022-07-20 01:04:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2022-07-20 01:04:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2022-07-20 01:04:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2022-07-20 01:04:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2022-07-20 01:04:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2022-07-20 01:04:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:04:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:04:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2022-07-20 01:04:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2022-07-20 01:04:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 01:04:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 01:04:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:04:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:04:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 01:04:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 01:04:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 01:04:33,164 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 01:04:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2022-07-20 01:04:33,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2022-07-20 01:04:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:04:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2022-07-20 01:04:33,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2022-07-20 01:04:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2022-07-20 01:04:33,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2022-07-20 01:04:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-20 01:04:33,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-20 01:04:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:04:33,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:04:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2022-07-20 01:04:33,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2022-07-20 01:04:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:04:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:04:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:04:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2022-07-20 01:04:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2022-07-20 01:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2022-07-20 01:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2022-07-20 01:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2022-07-20 01:04:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2022-07-20 01:04:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:04:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:04:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2022-07-20 01:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2022-07-20 01:04:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2022-07-20 01:04:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2022-07-20 01:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-20 01:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-20 01:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 01:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 01:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2022-07-20 01:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2022-07-20 01:04:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 01:04:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 01:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2022-07-20 01:04:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2022-07-20 01:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 01:04:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 01:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:04:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:04:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2022-07-20 01:04:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2022-07-20 01:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-20 01:04:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-20 01:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-20 01:04:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-20 01:04:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:04:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:04:33,887 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:04:33,908 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:04:34,118 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:04:42,337 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:04:42,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:04:42,359 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:04:42,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:42 BoogieIcfgContainer [2022-07-20 01:04:42,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:04:42,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:04:42,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:04:42,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:04:42,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:29" (1/3) ... [2022-07-20 01:04:42,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539178e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:42, skipping insertion in model container [2022-07-20 01:04:42,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:31" (2/3) ... [2022-07-20 01:04:42,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539178e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:42, skipping insertion in model container [2022-07-20 01:04:42,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:42" (3/3) ... [2022-07-20 01:04:42,371 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-20 01:04:42,386 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:04:42,387 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:04:42,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:04:42,491 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@44d577aa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5e9e06dd [2022-07-20 01:04:42,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:04:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 1301 states, 925 states have (on average 1.3383783783783785) internal successors, (1238), 956 states have internal predecessors, (1238), 294 states have call successors, (294), 81 states have call predecessors, (294), 80 states have return successors, (286), 281 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-20 01:04:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-07-20 01:04:42,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:42,537 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:04:42,538 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:42,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:42,544 INFO L85 PathProgramCache]: Analyzing trace with hash -10971896, now seen corresponding path program 1 times [2022-07-20 01:04:42,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:42,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764972460] [2022-07-20 01:04:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:42,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:04:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:04:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:04:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:04:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:04:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:04:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:04:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:04:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:04:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:04:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:04:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:04:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:04:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:04:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:04:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:04:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:04:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:04:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:04:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:04:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:04:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2022-07-20 01:04:44,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:44,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764972460] [2022-07-20 01:04:44,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764972460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:44,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:04:44,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:04:44,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729752898] [2022-07-20 01:04:44,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:44,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:04:44,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:44,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:04:44,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:04:44,079 INFO L87 Difference]: Start difference. First operand has 1301 states, 925 states have (on average 1.3383783783783785) internal successors, (1238), 956 states have internal predecessors, (1238), 294 states have call successors, (294), 81 states have call predecessors, (294), 80 states have return successors, (286), 281 states have call predecessors, (286), 286 states have call successors, (286) Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 01:04:50,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-20 01:04:53,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:04:56,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:56,667 INFO L93 Difference]: Finished difference Result 4107 states and 6040 transitions. [2022-07-20 01:04:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:04:56,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 389 [2022-07-20 01:04:56,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:56,705 INFO L225 Difference]: With dead ends: 4107 [2022-07-20 01:04:56,705 INFO L226 Difference]: Without dead ends: 2781 [2022-07-20 01:04:56,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:04:56,721 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 3794 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 2255 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 4272 SdHoareTripleChecker+Invalid, 3662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2255 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:56,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3946 Valid, 4272 Invalid, 3662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2255 Valid, 1405 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2022-07-20 01:04:56,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2022-07-20 01:04:56,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2464. [2022-07-20 01:04:57,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 1775 states have (on average 1.3233802816901408) internal successors, (2349), 1811 states have internal predecessors, (2349), 531 states have call successors, (531), 158 states have call predecessors, (531), 157 states have return successors, (524), 514 states have call predecessors, (524), 524 states have call successors, (524) [2022-07-20 01:04:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3404 transitions. [2022-07-20 01:04:57,023 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3404 transitions. Word has length 389 [2022-07-20 01:04:57,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:57,028 INFO L495 AbstractCegarLoop]: Abstraction has 2464 states and 3404 transitions. [2022-07-20 01:04:57,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-20 01:04:57,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3404 transitions. [2022-07-20 01:04:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-07-20 01:04:57,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:57,038 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:04:57,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:04:57,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:57,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash -570042714, now seen corresponding path program 1 times [2022-07-20 01:04:57,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:57,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325000292] [2022-07-20 01:04:57,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:04:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:04:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:04:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:04:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:04:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:04:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:04:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:04:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:04:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:04:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:04:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:04:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:04:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:04:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:04:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:04:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:04:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:04:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:04:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:04:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:04:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 01:04:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2022-07-20 01:04:57,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:57,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325000292] [2022-07-20 01:04:57,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325000292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:57,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:04:57,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:04:57,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511346354] [2022-07-20 01:04:57,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:57,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:04:57,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:57,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:04:57,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:04:57,916 INFO L87 Difference]: Start difference. First operand 2464 states and 3404 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:00,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:05,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-20 01:05:08,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:12,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:05:13,117 INFO L93 Difference]: Finished difference Result 7800 states and 10970 transitions. [2022-07-20 01:05:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:05:13,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 399 [2022-07-20 01:05:13,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:05:13,150 INFO L225 Difference]: With dead ends: 7800 [2022-07-20 01:05:13,150 INFO L226 Difference]: Without dead ends: 5403 [2022-07-20 01:05:13,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:05:13,162 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 3803 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 2223 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3956 SdHoareTripleChecker+Valid, 4132 SdHoareTripleChecker+Invalid, 3594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2223 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:05:13,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3956 Valid, 4132 Invalid, 3594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2223 Valid, 1367 Invalid, 4 Unknown, 0 Unchecked, 14.9s Time] [2022-07-20 01:05:13,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5403 states. [2022-07-20 01:05:13,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5403 to 4760. [2022-07-20 01:05:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4760 states, 3436 states have (on average 1.3227590221187426) internal successors, (4545), 3502 states have internal predecessors, (4545), 1012 states have call successors, (1012), 312 states have call predecessors, (1012), 311 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-20 01:05:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4760 states to 4760 states and 6562 transitions. [2022-07-20 01:05:13,356 INFO L78 Accepts]: Start accepts. Automaton has 4760 states and 6562 transitions. Word has length 399 [2022-07-20 01:05:13,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:05:13,358 INFO L495 AbstractCegarLoop]: Abstraction has 4760 states and 6562 transitions. [2022-07-20 01:05:13,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 6562 transitions. [2022-07-20 01:05:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-07-20 01:05:13,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:05:13,367 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:05:13,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:05:13,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:05:13,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:05:13,368 INFO L85 PathProgramCache]: Analyzing trace with hash 314844901, now seen corresponding path program 1 times [2022-07-20 01:05:13,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:05:13,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125522623] [2022-07-20 01:05:13,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:05:13,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:05:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:05:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:05:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:05:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:05:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:05:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:05:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:05:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:05:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:05:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:05:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:05:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:05:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:05:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:05:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:05:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:05:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:05:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:05:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:05:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:05:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:05:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:05:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:05:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:05:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:05:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:05:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:05:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:05:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 01:05:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-20 01:05:14,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:05:14,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125522623] [2022-07-20 01:05:14,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125522623] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:05:14,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:05:14,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:05:14,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858609291] [2022-07-20 01:05:14,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:05:14,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:05:14,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:05:14,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:05:14,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:05:14,192 INFO L87 Difference]: Start difference. First operand 4760 states and 6562 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:17,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:24,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-20 01:05:27,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:29,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:05:29,782 INFO L93 Difference]: Finished difference Result 5385 states and 7637 transitions. [2022-07-20 01:05:29,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:05:29,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 409 [2022-07-20 01:05:29,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:05:29,818 INFO L225 Difference]: With dead ends: 5385 [2022-07-20 01:05:29,818 INFO L226 Difference]: Without dead ends: 5382 [2022-07-20 01:05:29,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:05:29,824 INFO L413 NwaCegarLoop]: 1668 mSDtfsCounter, 2263 mSDsluCounter, 2412 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 858 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2384 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 2318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 858 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:05:29,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2384 Valid, 4080 Invalid, 2318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [858 Valid, 1456 Invalid, 4 Unknown, 0 Unchecked, 15.4s Time] [2022-07-20 01:05:29,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2022-07-20 01:05:30,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 4759. [2022-07-20 01:05:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 3436 states have (on average 1.3224679860302677) internal successors, (4544), 3501 states have internal predecessors, (4544), 1011 states have call successors, (1011), 312 states have call predecessors, (1011), 311 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-20 01:05:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6560 transitions. [2022-07-20 01:05:30,050 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6560 transitions. Word has length 409 [2022-07-20 01:05:30,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:05:30,052 INFO L495 AbstractCegarLoop]: Abstraction has 4759 states and 6560 transitions. [2022-07-20 01:05:30,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6560 transitions. [2022-07-20 01:05:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-07-20 01:05:30,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:05:30,061 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:05:30,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:05:30,061 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:05:30,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:05:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1169847560, now seen corresponding path program 1 times [2022-07-20 01:05:30,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:05:30,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796815143] [2022-07-20 01:05:30,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:05:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:05:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:05:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:05:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:05:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:05:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:05:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:05:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:05:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:05:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:05:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:05:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:05:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:05:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:05:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:05:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:05:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:05:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:05:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:05:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:05:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:05:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:05:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:05:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:05:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:05:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:05:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:05:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:05:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:05:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 01:05:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-20 01:05:30,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:05:30,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796815143] [2022-07-20 01:05:30,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796815143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:05:30,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:05:30,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:05:30,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002807651] [2022-07-20 01:05:30,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:05:30,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:05:30,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:05:30,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:05:30,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:05:30,907 INFO L87 Difference]: Start difference. First operand 4759 states and 6560 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:34,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:39,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:40,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:05:40,294 INFO L93 Difference]: Finished difference Result 5384 states and 7635 transitions. [2022-07-20 01:05:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:05:40,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 410 [2022-07-20 01:05:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:05:40,327 INFO L225 Difference]: With dead ends: 5384 [2022-07-20 01:05:40,327 INFO L226 Difference]: Without dead ends: 5381 [2022-07-20 01:05:40,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:05:40,334 INFO L413 NwaCegarLoop]: 1645 mSDtfsCounter, 2697 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 1248 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 2586 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1248 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:05:40,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 2586 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1248 Valid, 621 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-07-20 01:05:40,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5381 states. [2022-07-20 01:05:40,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5381 to 4758. [2022-07-20 01:05:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 3436 states have (on average 1.3221769499417928) internal successors, (4543), 3500 states have internal predecessors, (4543), 1010 states have call successors, (1010), 312 states have call predecessors, (1010), 311 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-20 01:05:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 6558 transitions. [2022-07-20 01:05:40,668 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 6558 transitions. Word has length 410 [2022-07-20 01:05:40,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:05:40,670 INFO L495 AbstractCegarLoop]: Abstraction has 4758 states and 6558 transitions. [2022-07-20 01:05:40,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 6558 transitions. [2022-07-20 01:05:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-20 01:05:40,678 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:05:40,678 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:05:40,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:05:40,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:05:40,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:05:40,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1905131080, now seen corresponding path program 1 times [2022-07-20 01:05:40,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:05:40,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714430337] [2022-07-20 01:05:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:05:40,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:05:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:40,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:05:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:40,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:05:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:40,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:05:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:05:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:05:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:05:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:05:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:05:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:05:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:05:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:05:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:05:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:05:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:05:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:05:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:05:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:05:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:05:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:05:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:05:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:05:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:05:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:05:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:05:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:05:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:05:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:05:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:05:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 01:05:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:41,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-20 01:05:41,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:05:41,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714430337] [2022-07-20 01:05:41,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714430337] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:05:41,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:05:41,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:05:41,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474989651] [2022-07-20 01:05:41,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:05:41,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:05:41,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:05:41,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:05:41,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:05:41,438 INFO L87 Difference]: Start difference. First operand 4758 states and 6558 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:44,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:45,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:50,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-20 01:05:56,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:05:56,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:05:56,835 INFO L93 Difference]: Finished difference Result 15285 states and 21948 transitions. [2022-07-20 01:05:56,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:05:56,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 411 [2022-07-20 01:05:56,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:05:56,899 INFO L225 Difference]: With dead ends: 15285 [2022-07-20 01:05:56,900 INFO L226 Difference]: Without dead ends: 10604 [2022-07-20 01:05:56,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 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 01:05:56,930 INFO L413 NwaCegarLoop]: 2093 mSDtfsCounter, 3560 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 2073 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 4600 SdHoareTripleChecker+Invalid, 3510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2073 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:05:56,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 4600 Invalid, 3510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2073 Valid, 1435 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2022-07-20 01:05:56,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10604 states. [2022-07-20 01:05:57,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10604 to 9501. [2022-07-20 01:05:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9501 states, 6860 states have (on average 1.3212827988338192) internal successors, (9064), 7000 states have internal predecessors, (9064), 1989 states have call successors, (1989), 609 states have call predecessors, (1989), 651 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-20 01:05:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9501 states to 9501 states and 13416 transitions. [2022-07-20 01:05:57,462 INFO L78 Accepts]: Start accepts. Automaton has 9501 states and 13416 transitions. Word has length 411 [2022-07-20 01:05:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:05:57,463 INFO L495 AbstractCegarLoop]: Abstraction has 9501 states and 13416 transitions. [2022-07-20 01:05:57,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:05:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 9501 states and 13416 transitions. [2022-07-20 01:05:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-20 01:05:57,471 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:05:57,471 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:05:57,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:05:57,472 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:05:57,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:05:57,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1070878709, now seen corresponding path program 1 times [2022-07-20 01:05:57,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:05:57,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633886364] [2022-07-20 01:05:57,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:05:57,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:05:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:05:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:05:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:05:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:05:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:05:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:05:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:05:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:05:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:05:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:05:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:05:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:05:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:05:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:05:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:05:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:05:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:05:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:05:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:05:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:05:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:05:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:05:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:05:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:05:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:05:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:05:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:05:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:05:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 01:05:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:05:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:05:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:05:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-20 01:05:58,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:05:58,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633886364] [2022-07-20 01:05:58,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633886364] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:05:58,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:05:58,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:05:58,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108786761] [2022-07-20 01:05:58,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:05:58,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:05:58,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:05:58,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:05:58,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:05:58,181 INFO L87 Difference]: Start difference. First operand 9501 states and 13416 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:00,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:02,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:06,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:07,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:06:07,343 INFO L93 Difference]: Finished difference Result 10591 states and 15259 transitions. [2022-07-20 01:06:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:06:07,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 412 [2022-07-20 01:06:07,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:06:07,463 INFO L225 Difference]: With dead ends: 10591 [2022-07-20 01:06:07,463 INFO L226 Difference]: Without dead ends: 10588 [2022-07-20 01:06:07,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:06:07,469 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 2684 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 1247 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2808 SdHoareTripleChecker+Valid, 2588 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1247 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:06:07,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2808 Valid, 2588 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1247 Valid, 618 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-07-20 01:06:07,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10588 states. [2022-07-20 01:06:07,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10588 to 9500. [2022-07-20 01:06:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9500 states, 6860 states have (on average 1.3211370262390671) internal successors, (9063), 6999 states have internal predecessors, (9063), 1988 states have call successors, (1988), 609 states have call predecessors, (1988), 651 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-20 01:06:07,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9500 states to 9500 states and 13414 transitions. [2022-07-20 01:06:07,867 INFO L78 Accepts]: Start accepts. Automaton has 9500 states and 13414 transitions. Word has length 412 [2022-07-20 01:06:07,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:06:07,868 INFO L495 AbstractCegarLoop]: Abstraction has 9500 states and 13414 transitions. [2022-07-20 01:06:07,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 9500 states and 13414 transitions. [2022-07-20 01:06:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-20 01:06:07,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:06:07,876 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:06:07,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 01:06:07,877 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:06:07,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:06:07,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1162103211, now seen corresponding path program 1 times [2022-07-20 01:06:07,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:06:07,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292957988] [2022-07-20 01:06:07,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:06:07,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:06:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:06:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:06:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:06:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:06:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:06:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:06:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:06:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:06:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:06:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:06:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:06:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:06:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:06:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:06:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:06:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:06:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:06:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:06:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:06:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:06:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:06:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:06:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:06:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:06:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:06:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:06:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:06:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:06:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 01:06:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-20 01:06:08,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:06:08,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292957988] [2022-07-20 01:06:08,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292957988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:06:08,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:06:08,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:06:08,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125398225] [2022-07-20 01:06:08,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:06:08,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:06:08,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:06:08,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:06:08,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:06:08,533 INFO L87 Difference]: Start difference. First operand 9500 states and 13414 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:12,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:15,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:19,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:19,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:06:19,533 INFO L93 Difference]: Finished difference Result 10590 states and 15257 transitions. [2022-07-20 01:06:19,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:06:19,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 413 [2022-07-20 01:06:19,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:06:19,576 INFO L225 Difference]: With dead ends: 10590 [2022-07-20 01:06:19,576 INFO L226 Difference]: Without dead ends: 10578 [2022-07-20 01:06:19,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:06:19,583 INFO L413 NwaCegarLoop]: 1646 mSDtfsCounter, 2687 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 1241 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 2590 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1241 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:06:19,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 2590 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1241 Valid, 619 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2022-07-20 01:06:19,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10578 states. [2022-07-20 01:06:19,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10578 to 9490. [2022-07-20 01:06:19,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9490 states, 6851 states have (on average 1.3206831119544593) internal successors, (9048), 6989 states have internal predecessors, (9048), 1987 states have call successors, (1987), 609 states have call predecessors, (1987), 651 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-20 01:06:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9490 states to 9490 states and 13398 transitions. [2022-07-20 01:06:19,987 INFO L78 Accepts]: Start accepts. Automaton has 9490 states and 13398 transitions. Word has length 413 [2022-07-20 01:06:19,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:06:19,988 INFO L495 AbstractCegarLoop]: Abstraction has 9490 states and 13398 transitions. [2022-07-20 01:06:19,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:06:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 9490 states and 13398 transitions. [2022-07-20 01:06:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-20 01:06:19,994 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:06:19,994 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:06:19,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 01:06:19,995 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:06:19,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:06:19,995 INFO L85 PathProgramCache]: Analyzing trace with hash 118948099, now seen corresponding path program 1 times [2022-07-20 01:06:19,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:06:19,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255641572] [2022-07-20 01:06:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:06:19,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:06:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:06:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:06:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:06:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:06:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:06:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:06:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:06:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:06:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:06:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:06:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:06:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:06:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:06:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:06:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:06:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:06:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:06:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:06:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:06:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:06:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:06:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:06:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:06:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:06:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:06:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:06:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:06:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:06:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 01:06:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 01:06:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 01:06:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-20 01:06:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 01:06:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 01:06:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 01:06:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-20 01:06:20,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:06:20,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255641572] [2022-07-20 01:06:20,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255641572] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:06:20,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:06:20,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 01:06:20,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858626443] [2022-07-20 01:06:20,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:06:20,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 01:06:20,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:06:20,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 01:06:20,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:06:20,704 INFO L87 Difference]: Start difference. First operand 9490 states and 13398 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-07-20 01:06:24,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:26,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:34,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:36,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:37,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:06:37,490 INFO L93 Difference]: Finished difference Result 20564 states and 29950 transitions. [2022-07-20 01:06:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:06:37,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 443 [2022-07-20 01:06:37,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:06:37,553 INFO L225 Difference]: With dead ends: 20564 [2022-07-20 01:06:37,554 INFO L226 Difference]: Without dead ends: 11151 [2022-07-20 01:06:37,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-20 01:06:37,599 INFO L413 NwaCegarLoop]: 1618 mSDtfsCounter, 1572 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 1450 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 5450 SdHoareTripleChecker+Invalid, 3870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1450 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:06:37,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 5450 Invalid, 3870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1450 Valid, 2416 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2022-07-20 01:06:37,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11151 states. [2022-07-20 01:06:37,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11151 to 9938. [2022-07-20 01:06:37,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9938 states, 7171 states have (on average 1.3119509134011993) internal successors, (9408), 7317 states have internal predecessors, (9408), 2019 states have call successors, (2019), 609 states have call predecessors, (2019), 747 states have return successors, (2747), 2083 states have call predecessors, (2747), 2015 states have call successors, (2747) [2022-07-20 01:06:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9938 states to 9938 states and 14174 transitions. [2022-07-20 01:06:38,043 INFO L78 Accepts]: Start accepts. Automaton has 9938 states and 14174 transitions. Word has length 443 [2022-07-20 01:06:38,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:06:38,044 INFO L495 AbstractCegarLoop]: Abstraction has 9938 states and 14174 transitions. [2022-07-20 01:06:38,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-07-20 01:06:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 9938 states and 14174 transitions. [2022-07-20 01:06:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-20 01:06:38,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:06:38,050 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:06:38,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 01:06:38,051 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:06:38,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:06:38,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1414344436, now seen corresponding path program 1 times [2022-07-20 01:06:38,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:06:38,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559336630] [2022-07-20 01:06:38,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:06:38,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:06:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:06:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:06:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:06:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:06:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:06:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:06:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:06:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:06:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:06:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:06:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:06:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:06:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:06:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:06:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:06:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:06:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:06:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:06:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:06:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:06:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:06:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:06:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:06:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:06:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:06:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:06:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:06:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:06:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:06:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-20 01:06:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-20 01:06:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 01:06:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 01:06:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 01:06:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-20 01:06:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-20 01:06:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:06:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:06:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-20 01:06:38,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:06:38,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559336630] [2022-07-20 01:06:38,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559336630] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:06:38,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:06:38,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:06:38,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823698697] [2022-07-20 01:06:38,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:06:38,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:06:38,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:06:38,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:06:38,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:06:38,836 INFO L87 Difference]: Start difference. First operand 9938 states and 14174 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 01:06:43,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:45,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:47,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:52,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:54,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:06:57,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-20 01:06:59,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:06,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:09,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:10,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:07:10,792 INFO L93 Difference]: Finished difference Result 31834 states and 47702 transitions. [2022-07-20 01:07:10,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 01:07:10,793 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 442 [2022-07-20 01:07:10,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:07:10,893 INFO L225 Difference]: With dead ends: 31834 [2022-07-20 01:07:10,893 INFO L226 Difference]: Without dead ends: 21973 [2022-07-20 01:07:10,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:07:10,957 INFO L413 NwaCegarLoop]: 1791 mSDtfsCounter, 3426 mSDsluCounter, 4619 mSDsCounter, 0 mSdLazyCounter, 5023 mSolverCounterSat, 2058 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3655 SdHoareTripleChecker+Valid, 6410 SdHoareTripleChecker+Invalid, 7089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2058 IncrementalHoareTripleChecker+Valid, 5023 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:07:10,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3655 Valid, 6410 Invalid, 7089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2058 Valid, 5023 Invalid, 8 Unknown, 0 Unchecked, 31.1s Time] [2022-07-20 01:07:10,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21973 states. [2022-07-20 01:07:11,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21973 to 19736. [2022-07-20 01:07:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19736 states, 14241 states have (on average 1.31247805631627) internal successors, (18691), 14571 states have internal predecessors, (18691), 3995 states have call successors, (3995), 1213 states have call predecessors, (3995), 1499 states have return successors, (6327), 4087 states have call predecessors, (6327), 3991 states have call successors, (6327) [2022-07-20 01:07:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19736 states to 19736 states and 29013 transitions. [2022-07-20 01:07:12,057 INFO L78 Accepts]: Start accepts. Automaton has 19736 states and 29013 transitions. Word has length 442 [2022-07-20 01:07:12,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:07:12,057 INFO L495 AbstractCegarLoop]: Abstraction has 19736 states and 29013 transitions. [2022-07-20 01:07:12,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 01:07:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 19736 states and 29013 transitions. [2022-07-20 01:07:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-20 01:07:12,063 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:07:12,064 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:07:12,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 01:07:12,065 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:07:12,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:07:12,066 INFO L85 PathProgramCache]: Analyzing trace with hash -51471101, now seen corresponding path program 1 times [2022-07-20 01:07:12,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:07:12,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705444871] [2022-07-20 01:07:12,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:07:12,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:07:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:07:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:07:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:07:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:07:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:07:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:07:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:07:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:07:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:07:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:07:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:07:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:07:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:07:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:07:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:07:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:07:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:07:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:07:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:07:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:07:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:07:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:07:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:07:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:07:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:07:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:07:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:07:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:07:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 01:07:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-20 01:07:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-20 01:07:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-20 01:07:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-20 01:07:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-20 01:07:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-20 01:07:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-20 01:07:12,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:07:12,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705444871] [2022-07-20 01:07:12,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705444871] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:07:12,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:07:12,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:07:12,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803224896] [2022-07-20 01:07:12,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:07:12,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:07:12,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:07:12,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:07:12,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:07:12,773 INFO L87 Difference]: Start difference. First operand 19736 states and 29013 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 01:07:17,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:23,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:25,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:31,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:33,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:36,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:38,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:40,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:42,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:44,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:07:44,648 INFO L93 Difference]: Finished difference Result 52586 states and 80786 transitions. [2022-07-20 01:07:44,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 01:07:44,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 444 [2022-07-20 01:07:44,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:07:44,766 INFO L225 Difference]: With dead ends: 52586 [2022-07-20 01:07:44,766 INFO L226 Difference]: Without dead ends: 32927 [2022-07-20 01:07:44,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:07:44,842 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 4077 mSDsluCounter, 4498 mSDsCounter, 0 mSdLazyCounter, 4920 mSolverCounterSat, 2693 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4305 SdHoareTripleChecker+Valid, 6240 SdHoareTripleChecker+Invalid, 7621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2693 IncrementalHoareTripleChecker+Valid, 4920 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:07:44,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4305 Valid, 6240 Invalid, 7621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2693 Valid, 4920 Invalid, 8 Unknown, 0 Unchecked, 30.5s Time] [2022-07-20 01:07:44,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32927 states. [2022-07-20 01:07:46,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32927 to 29642. [2022-07-20 01:07:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29642 states, 21407 states have (on average 1.311627037884804) internal successors, (28078), 21905 states have internal predecessors, (28078), 5963 states have call successors, (5963), 1813 states have call predecessors, (5963), 2271 states have return successors, (10711), 6131 states have call predecessors, (10711), 5959 states have call successors, (10711) [2022-07-20 01:07:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29642 states to 29642 states and 44752 transitions. [2022-07-20 01:07:46,352 INFO L78 Accepts]: Start accepts. Automaton has 29642 states and 44752 transitions. Word has length 444 [2022-07-20 01:07:46,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:07:46,352 INFO L495 AbstractCegarLoop]: Abstraction has 29642 states and 44752 transitions. [2022-07-20 01:07:46,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 01:07:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 29642 states and 44752 transitions. [2022-07-20 01:07:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-20 01:07:46,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:07:46,359 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:07:46,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 01:07:46,359 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:07:46,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:07:46,360 INFO L85 PathProgramCache]: Analyzing trace with hash 799006469, now seen corresponding path program 1 times [2022-07-20 01:07:46,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:07:46,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711083662] [2022-07-20 01:07:46,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:07:46,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:07:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:07:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:07:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:07:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:07:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:07:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:07:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:07:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:07:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:07:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:07:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:07:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:07:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:07:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:07:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:07:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:07:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:07:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:07:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:07:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:07:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:07:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:07:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:07:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:07:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:07:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:07:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:07:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:07:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:07:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 01:07:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 01:07:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 01:07:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-20 01:07:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 01:07:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 01:07:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 01:07:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:07:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:07:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-20 01:07:46,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:07:46,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711083662] [2022-07-20 01:07:46,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711083662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:07:46,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:07:46,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:07:46,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444318694] [2022-07-20 01:07:46,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:07:46,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:07:46,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:07:46,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:07:46,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:07:46,967 INFO L87 Difference]: Start difference. First operand 29642 states and 44752 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 01:07:51,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:55,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:07:56,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:08:05,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:08:07,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:08:09,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:08:12,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:08:12,195 INFO L93 Difference]: Finished difference Result 73410 states and 114618 transitions. [2022-07-20 01:08:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 01:08:12,196 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 443 [2022-07-20 01:08:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:08:12,441 INFO L225 Difference]: With dead ends: 73410 [2022-07-20 01:08:12,441 INFO L226 Difference]: Without dead ends: 43845 [2022-07-20 01:08:12,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:08:12,547 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 3540 mSDsluCounter, 4589 mSDsCounter, 0 mSdLazyCounter, 5049 mSolverCounterSat, 2054 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3770 SdHoareTripleChecker+Valid, 6327 SdHoareTripleChecker+Invalid, 7107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2054 IncrementalHoareTripleChecker+Valid, 5049 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:08:12,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3770 Valid, 6327 Invalid, 7107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2054 Valid, 5049 Invalid, 4 Unknown, 0 Unchecked, 23.5s Time] [2022-07-20 01:08:12,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43845 states. [2022-07-20 01:08:14,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43845 to 39524. [2022-07-20 01:08:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39524 states, 28557 states have (on average 1.310816962566096) internal successors, (37433), 29223 states have internal predecessors, (37433), 7923 states have call successors, (7923), 2413 states have call predecessors, (7923), 3043 states have return successors, (15747), 8167 states have call predecessors, (15747), 7919 states have call successors, (15747) [2022-07-20 01:08:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39524 states to 39524 states and 61103 transitions. [2022-07-20 01:08:14,649 INFO L78 Accepts]: Start accepts. Automaton has 39524 states and 61103 transitions. Word has length 443 [2022-07-20 01:08:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:08:14,650 INFO L495 AbstractCegarLoop]: Abstraction has 39524 states and 61103 transitions. [2022-07-20 01:08:14,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 01:08:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 39524 states and 61103 transitions. [2022-07-20 01:08:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-07-20 01:08:14,658 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:08:14,659 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:08:14,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 01:08:14,659 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:08:14,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:08:14,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1391350884, now seen corresponding path program 1 times [2022-07-20 01:08:14,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:08:14,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254740162] [2022-07-20 01:08:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:08:14,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:08:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:08:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:08:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:08:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:08:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:08:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:08:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:08:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:08:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:08:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:08:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:08:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:08:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:08:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 01:08:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 01:08:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:08:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 01:08:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 01:08:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:08:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 01:08:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:08:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:08:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-20 01:08:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:08:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 01:08:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-20 01:08:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 01:08:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 01:08:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 01:08:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-20 01:08:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-20 01:08:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-20 01:08:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 01:08:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 01:08:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 01:08:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-20 01:08:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:08:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:08:15,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-20 01:08:15,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:08:15,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254740162] [2022-07-20 01:08:15,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254740162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:08:15,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:08:15,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:08:15,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397854100] [2022-07-20 01:08:15,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:08:15,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:08:15,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:08:15,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:08:15,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:08:15,429 INFO L87 Difference]: Start difference. First operand 39524 states and 61103 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 01:08:16,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:08:21,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:08:23,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:08:25,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []