./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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/eca-rers2012/Problem15_label06.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 635a20a5fbe25b0b925b40af9246e2b23986521025b17b70ac19e8d17c6a453c --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 13:01:44,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 13:01:44,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 13:01:44,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 13:01:44,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 13:01:44,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 13:01:44,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 13:01:44,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 13:01:44,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 13:01:44,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 13:01:44,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 13:01:44,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 13:01:44,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 13:01:44,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 13:01:44,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 13:01:44,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 13:01:44,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 13:01:44,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 13:01:44,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 13:01:44,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 13:01:44,702 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 13:01:44,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 13:01:44,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 13:01:44,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 13:01:44,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 13:01:44,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 13:01:44,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 13:01:44,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 13:01:44,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 13:01:44,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 13:01:44,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 13:01:44,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 13:01:44,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 13:01:44,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 13:01:44,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 13:01:44,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 13:01:44,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 13:01:44,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 13:01:44,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 13:01:44,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 13:01:44,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 13:01:44,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 13:01:44,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 13:01:44,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 13:01:44,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 13:01:44,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 13:01:44,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 13:01:44,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 13:01:44,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 13:01:44,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 13:01:44,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 13:01:44,742 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 13:01:44,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 13:01:44,742 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 13:01:44,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 13:01:44,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 13:01:44,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 13:01:44,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 13:01:44,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 13:01:44,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 13:01:44,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 13:01:44,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 13:01:44,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 13:01:44,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 13:01:44,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 13:01:44,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 13:01:44,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 13:01:44,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 13:01:44,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 13:01:44,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 13:01:44,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 13:01:44,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 13:01:44,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 13:01:44,747 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 13:01:44,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 13:01:44,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 13:01:44,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635a20a5fbe25b0b925b40af9246e2b23986521025b17b70ac19e8d17c6a453c [2022-07-13 13:01:44,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 13:01:44,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 13:01:44,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 13:01:44,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 13:01:44,986 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 13:01:44,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label06.c [2022-07-13 13:01:45,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970e8cd53/9ebe7871681c49e8bcafcbb4d0dae66a/FLAG4a9911d5e [2022-07-13 13:01:45,620 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 13:01:45,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label06.c [2022-07-13 13:01:45,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970e8cd53/9ebe7871681c49e8bcafcbb4d0dae66a/FLAG4a9911d5e [2022-07-13 13:01:45,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970e8cd53/9ebe7871681c49e8bcafcbb4d0dae66a [2022-07-13 13:01:45,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 13:01:45,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 13:01:45,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 13:01:45,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 13:01:45,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 13:01:45,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 01:01:45" (1/1) ... [2022-07-13 13:01:45,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501508bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:45, skipping insertion in model container [2022-07-13 13:01:45,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 01:01:45" (1/1) ... [2022-07-13 13:01:45,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 13:01:45,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 13:01:46,122 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/eca-rers2012/Problem15_label06.c[6824,6837] [2022-07-13 13:01:46,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 13:01:46,505 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 13:01:46,538 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/eca-rers2012/Problem15_label06.c[6824,6837] [2022-07-13 13:01:46,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 13:01:46,747 INFO L208 MainTranslator]: Completed translation [2022-07-13 13:01:46,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46 WrapperNode [2022-07-13 13:01:46,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 13:01:46,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 13:01:46,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 13:01:46,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 13:01:46,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:46,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:46,960 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-13 13:01:46,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 13:01:46,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 13:01:46,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 13:01:46,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 13:01:46,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:46,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:46,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:46,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:47,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:47,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:47,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:47,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 13:01:47,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 13:01:47,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 13:01:47,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 13:01:47,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (1/1) ... [2022-07-13 13:01:47,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 13:01:47,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:01:47,253 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) [2022-07-13 13:01:47,274 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 [2022-07-13 13:01:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 13:01:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 13:01:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 13:01:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 13:01:47,355 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 13:01:47,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 13:01:49,812 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 13:01:49,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 13:01:49,830 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 13:01:49,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:01:49 BoogieIcfgContainer [2022-07-13 13:01:49,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 13:01:49,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 13:01:49,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 13:01:49,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 13:01:49,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 01:01:45" (1/3) ... [2022-07-13 13:01:49,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637c2346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 01:01:49, skipping insertion in model container [2022-07-13 13:01:49,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:01:46" (2/3) ... [2022-07-13 13:01:49,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637c2346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 01:01:49, skipping insertion in model container [2022-07-13 13:01:49,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:01:49" (3/3) ... [2022-07-13 13:01:49,844 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label06.c [2022-07-13 13:01:49,857 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 13:01:49,857 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 13:01:49,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 13:01:49,920 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@413e18b1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@22bd5d16 [2022-07-13 13:01:49,920 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 13:01:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-13 13:01:49,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:01:49,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:01:49,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:01:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:01:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2022-07-13 13:01:49,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:01:49,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444341566] [2022-07-13 13:01:49,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:01:49,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:01:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:01:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:01:50,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:01:50,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444341566] [2022-07-13 13:01:50,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444341566] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:01:50,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:01:50,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:01:50,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085492226] [2022-07-13 13:01:50,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:01:50,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:01:50,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:01:50,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:01:50,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:01:50,188 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:52,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:01:52,354 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-07-13 13:01:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:01:52,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-07-13 13:01:52,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:01:52,392 INFO L225 Difference]: With dead ends: 1154 [2022-07-13 13:01:52,392 INFO L226 Difference]: Without dead ends: 665 [2022-07-13 13:01:52,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:01:52,405 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 265 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-13 13:01:52,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-13 13:01:52,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-13 13:01:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-07-13 13:01:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-07-13 13:01:52,478 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 56 [2022-07-13 13:01:52,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:01:52,485 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-07-13 13:01:52,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:52,486 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-07-13 13:01:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-13 13:01:52,489 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:01:52,490 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:01:52,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 13:01:52,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:01:52,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:01:52,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1801863949, now seen corresponding path program 1 times [2022-07-13 13:01:52,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:01:52,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860286132] [2022-07-13 13:01:52,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:01:52,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:01:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:01:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:01:52,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:01:52,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860286132] [2022-07-13 13:01:52,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860286132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:01:52,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:01:52,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:01:52,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052310663] [2022-07-13 13:01:52,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:01:52,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:01:52,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:01:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:01:52,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:01:52,704 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:54,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:01:54,160 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-07-13 13:01:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:01:54,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-07-13 13:01:54,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:01:54,166 INFO L225 Difference]: With dead ends: 1624 [2022-07-13 13:01:54,166 INFO L226 Difference]: Without dead ends: 963 [2022-07-13 13:01:54,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:01:54,172 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:01:54,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:01:54,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-07-13 13:01:54,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-07-13 13:01:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:54,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-07-13 13:01:54,202 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 121 [2022-07-13 13:01:54,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:01:54,202 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-07-13 13:01:54,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-07-13 13:01:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-13 13:01:54,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:01:54,205 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:01:54,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 13:01:54,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:01:54,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:01:54,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1172471972, now seen corresponding path program 1 times [2022-07-13 13:01:54,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:01:54,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650622591] [2022-07-13 13:01:54,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:01:54,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:01:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:01:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:01:54,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:01:54,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650622591] [2022-07-13 13:01:54,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650622591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:01:54,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:01:54,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:01:54,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733437578] [2022-07-13 13:01:54,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:01:54,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 13:01:54,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:01:54,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 13:01:54,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 13:01:54,347 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:56,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:01:56,365 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-07-13 13:01:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:01:56,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-13 13:01:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:01:56,373 INFO L225 Difference]: With dead ends: 2244 [2022-07-13 13:01:56,373 INFO L226 Difference]: Without dead ends: 1582 [2022-07-13 13:01:56,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 13:01:56,380 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 362 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-13 13:01:56,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 365 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-13 13:01:56,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-07-13 13:01:56,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-07-13 13:01:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2022-07-13 13:01:56,416 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 126 [2022-07-13 13:01:56,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:01:56,418 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2022-07-13 13:01:56,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2022-07-13 13:01:56,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-13 13:01:56,427 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:01:56,427 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:01:56,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 13:01:56,428 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:01:56,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:01:56,429 INFO L85 PathProgramCache]: Analyzing trace with hash -590723167, now seen corresponding path program 1 times [2022-07-13 13:01:56,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:01:56,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866645601] [2022-07-13 13:01:56,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:01:56,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:01:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:01:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:01:56,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:01:56,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866645601] [2022-07-13 13:01:56,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866645601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:01:56,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:01:56,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:01:56,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184062984] [2022-07-13 13:01:56,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:01:56,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:01:56,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:01:56,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:01:56,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:01:56,639 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:59,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:01:59,538 INFO L93 Difference]: Finished difference Result 4668 states and 6169 transitions. [2022-07-13 13:01:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:01:59,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2022-07-13 13:01:59,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:01:59,551 INFO L225 Difference]: With dead ends: 4668 [2022-07-13 13:01:59,552 INFO L226 Difference]: Without dead ends: 3404 [2022-07-13 13:01:59,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:01:59,559 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 488 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:01:59,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 346 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-13 13:01:59,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2022-07-13 13:01:59,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2022-07-13 13:01:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2363905325443787) internal successors, (4179), 3380 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4179 transitions. [2022-07-13 13:01:59,621 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4179 transitions. Word has length 222 [2022-07-13 13:01:59,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:01:59,623 INFO L495 AbstractCegarLoop]: Abstraction has 3381 states and 4179 transitions. [2022-07-13 13:01:59,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:01:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4179 transitions. [2022-07-13 13:01:59,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-13 13:01:59,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:01:59,627 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:01:59,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 13:01:59,628 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:01:59,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:01:59,628 INFO L85 PathProgramCache]: Analyzing trace with hash 544122455, now seen corresponding path program 1 times [2022-07-13 13:01:59,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:01:59,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801480279] [2022-07-13 13:01:59,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:01:59,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:01:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:01:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-13 13:01:59,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:01:59,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801480279] [2022-07-13 13:01:59,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801480279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:01:59,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:01:59,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:01:59,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792742866] [2022-07-13 13:01:59,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:01:59,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:01:59,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:01:59,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:01:59,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:01:59,789 INFO L87 Difference]: Start difference. First operand 3381 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:01,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:01,079 INFO L93 Difference]: Finished difference Result 8563 states and 10751 transitions. [2022-07-13 13:02:01,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:01,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2022-07-13 13:02:01,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:01,098 INFO L225 Difference]: With dead ends: 8563 [2022-07-13 13:02:01,098 INFO L226 Difference]: Without dead ends: 5483 [2022-07-13 13:02:01,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:01,104 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:01,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 13:02:01,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-07-13 13:02:01,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2022-07-13 13:02:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1683403322987036) internal successors, (6399), 5477 states have internal predecessors, (6399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2022-07-13 13:02:01,204 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 226 [2022-07-13 13:02:01,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:01,205 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2022-07-13 13:02:01,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2022-07-13 13:02:01,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-13 13:02:01,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:01,214 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:01,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 13:02:01,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:01,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:01,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1749143075, now seen corresponding path program 1 times [2022-07-13 13:02:01,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:01,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185885329] [2022-07-13 13:02:01,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:01,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-13 13:02:01,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:01,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185885329] [2022-07-13 13:02:01,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185885329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:01,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:01,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:02:01,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073230167] [2022-07-13 13:02:01,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:01,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:01,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:01,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:01,451 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:02,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:02,797 INFO L93 Difference]: Finished difference Result 10655 states and 12485 transitions. [2022-07-13 13:02:02,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:02,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 328 [2022-07-13 13:02:02,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:02,818 INFO L225 Difference]: With dead ends: 10655 [2022-07-13 13:02:02,818 INFO L226 Difference]: Without dead ends: 5478 [2022-07-13 13:02:02,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:02,826 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:02,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:02:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-07-13 13:02:02,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2022-07-13 13:02:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1672448420668249) internal successors, (6393), 5477 states have internal predecessors, (6393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6393 transitions. [2022-07-13 13:02:02,913 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6393 transitions. Word has length 328 [2022-07-13 13:02:02,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:02,914 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6393 transitions. [2022-07-13 13:02:02,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6393 transitions. [2022-07-13 13:02:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-13 13:02:02,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:02,919 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:02:02,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 13:02:02,920 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:02,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:02,920 INFO L85 PathProgramCache]: Analyzing trace with hash 429227438, now seen corresponding path program 1 times [2022-07-13 13:02:02,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:02,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704786879] [2022-07-13 13:02:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-13 13:02:03,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:03,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704786879] [2022-07-13 13:02:03,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704786879] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:03,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:03,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83742693] [2022-07-13 13:02:03,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:03,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:03,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:03,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:03,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:03,105 INFO L87 Difference]: Start difference. First operand 5478 states and 6393 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:04,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:04,775 INFO L93 Difference]: Finished difference Result 11851 states and 14145 transitions. [2022-07-13 13:02:04,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:04,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 343 [2022-07-13 13:02:04,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:04,798 INFO L225 Difference]: With dead ends: 11851 [2022-07-13 13:02:04,798 INFO L226 Difference]: Without dead ends: 6674 [2022-07-13 13:02:04,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:04,806 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 259 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:04,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 13:02:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-07-13 13:02:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4577. [2022-07-13 13:02:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 4576 states have (on average 1.1840034965034965) internal successors, (5418), 4576 states have internal predecessors, (5418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5418 transitions. [2022-07-13 13:02:04,889 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5418 transitions. Word has length 343 [2022-07-13 13:02:04,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:04,889 INFO L495 AbstractCegarLoop]: Abstraction has 4577 states and 5418 transitions. [2022-07-13 13:02:04,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5418 transitions. [2022-07-13 13:02:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-13 13:02:04,895 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:04,896 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:04,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 13:02:04,896 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:04,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:04,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1359069905, now seen corresponding path program 1 times [2022-07-13 13:02:04,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:04,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284975878] [2022-07-13 13:02:04,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:04,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-13 13:02:05,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:05,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284975878] [2022-07-13 13:02:05,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284975878] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:05,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:05,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:05,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19365142] [2022-07-13 13:02:05,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:05,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:05,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:05,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:05,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:05,123 INFO L87 Difference]: Start difference. First operand 4577 states and 5418 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:06,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:06,457 INFO L93 Difference]: Finished difference Result 10960 states and 13243 transitions. [2022-07-13 13:02:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:06,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 402 [2022-07-13 13:02:06,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:06,478 INFO L225 Difference]: With dead ends: 10960 [2022-07-13 13:02:06,478 INFO L226 Difference]: Without dead ends: 6684 [2022-07-13 13:02:06,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:06,485 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 339 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:06,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 194 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [349 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:02:06,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6684 states. [2022-07-13 13:02:06,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 5184. [2022-07-13 13:02:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5184 states, 5183 states have (on average 1.2249662357707891) internal successors, (6349), 5183 states have internal predecessors, (6349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:06,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 5184 states and 6349 transitions. [2022-07-13 13:02:06,625 INFO L78 Accepts]: Start accepts. Automaton has 5184 states and 6349 transitions. Word has length 402 [2022-07-13 13:02:06,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:06,626 INFO L495 AbstractCegarLoop]: Abstraction has 5184 states and 6349 transitions. [2022-07-13 13:02:06,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5184 states and 6349 transitions. [2022-07-13 13:02:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-07-13 13:02:06,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:06,635 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:06,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 13:02:06,637 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:06,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:06,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1941618470, now seen corresponding path program 1 times [2022-07-13 13:02:06,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:06,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906468864] [2022-07-13 13:02:06,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:02:06,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:06,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906468864] [2022-07-13 13:02:06,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906468864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:06,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:06,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:06,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952339467] [2022-07-13 13:02:06,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:06,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:06,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:06,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:06,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:06,836 INFO L87 Difference]: Start difference. First operand 5184 states and 6349 transitions. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:08,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:08,270 INFO L93 Difference]: Finished difference Result 11268 states and 13765 transitions. [2022-07-13 13:02:08,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:08,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 419 [2022-07-13 13:02:08,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:08,295 INFO L225 Difference]: With dead ends: 11268 [2022-07-13 13:02:08,295 INFO L226 Difference]: Without dead ends: 6385 [2022-07-13 13:02:08,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:08,301 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 249 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:08,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 625 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:02:08,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6385 states. [2022-07-13 13:02:08,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6385 to 6083. [2022-07-13 13:02:08,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6083 states, 6082 states have (on average 1.1428806313712594) internal successors, (6951), 6082 states have internal predecessors, (6951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6083 states to 6083 states and 6951 transitions. [2022-07-13 13:02:08,384 INFO L78 Accepts]: Start accepts. Automaton has 6083 states and 6951 transitions. Word has length 419 [2022-07-13 13:02:08,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:08,388 INFO L495 AbstractCegarLoop]: Abstraction has 6083 states and 6951 transitions. [2022-07-13 13:02:08,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 6083 states and 6951 transitions. [2022-07-13 13:02:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-07-13 13:02:08,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:08,392 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:08,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 13:02:08,393 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:08,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:08,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1260062082, now seen corresponding path program 1 times [2022-07-13 13:02:08,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:08,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523466535] [2022-07-13 13:02:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:08,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-13 13:02:08,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:08,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523466535] [2022-07-13 13:02:08,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523466535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:08,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:08,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:08,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894172537] [2022-07-13 13:02:08,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:08,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:08,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:08,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:08,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:08,576 INFO L87 Difference]: Start difference. First operand 6083 states and 6951 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:09,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:09,933 INFO L93 Difference]: Finished difference Result 13661 states and 15886 transitions. [2022-07-13 13:02:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:09,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 424 [2022-07-13 13:02:09,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:09,947 INFO L225 Difference]: With dead ends: 13661 [2022-07-13 13:02:09,948 INFO L226 Difference]: Without dead ends: 7879 [2022-07-13 13:02:09,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:09,954 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 245 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:09,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 619 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:02:09,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7879 states. [2022-07-13 13:02:10,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7879 to 7875. [2022-07-13 13:02:10,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7875 states, 7874 states have (on average 1.1282702565405132) internal successors, (8884), 7874 states have internal predecessors, (8884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7875 states to 7875 states and 8884 transitions. [2022-07-13 13:02:10,048 INFO L78 Accepts]: Start accepts. Automaton has 7875 states and 8884 transitions. Word has length 424 [2022-07-13 13:02:10,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:10,049 INFO L495 AbstractCegarLoop]: Abstraction has 7875 states and 8884 transitions. [2022-07-13 13:02:10,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 7875 states and 8884 transitions. [2022-07-13 13:02:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-07-13 13:02:10,055 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:10,055 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:10,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 13:02:10,056 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:10,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:10,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1245855829, now seen corresponding path program 1 times [2022-07-13 13:02:10,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:10,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090035969] [2022-07-13 13:02:10,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:10,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-13 13:02:10,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:10,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090035969] [2022-07-13 13:02:10,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090035969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:10,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:10,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:10,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72183662] [2022-07-13 13:02:10,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:10,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:10,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:10,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:10,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:10,259 INFO L87 Difference]: Start difference. First operand 7875 states and 8884 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:11,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:11,732 INFO L93 Difference]: Finished difference Result 17541 states and 20130 transitions. [2022-07-13 13:02:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:11,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 520 [2022-07-13 13:02:11,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:11,748 INFO L225 Difference]: With dead ends: 17541 [2022-07-13 13:02:11,748 INFO L226 Difference]: Without dead ends: 9967 [2022-07-13 13:02:11,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:11,756 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 359 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:11,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 447 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:02:11,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2022-07-13 13:02:11,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9967. [2022-07-13 13:02:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9967 states, 9966 states have (on average 1.1420830824804336) internal successors, (11382), 9966 states have internal predecessors, (11382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9967 states to 9967 states and 11382 transitions. [2022-07-13 13:02:11,865 INFO L78 Accepts]: Start accepts. Automaton has 9967 states and 11382 transitions. Word has length 520 [2022-07-13 13:02:11,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:11,866 INFO L495 AbstractCegarLoop]: Abstraction has 9967 states and 11382 transitions. [2022-07-13 13:02:11,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 9967 states and 11382 transitions. [2022-07-13 13:02:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2022-07-13 13:02:11,874 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:11,875 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:11,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 13:02:11,875 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:11,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:11,876 INFO L85 PathProgramCache]: Analyzing trace with hash -542711809, now seen corresponding path program 1 times [2022-07-13 13:02:11,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:11,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871121261] [2022-07-13 13:02:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:11,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-07-13 13:02:12,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:12,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871121261] [2022-07-13 13:02:12,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871121261] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:12,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640739286] [2022-07-13 13:02:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:12,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:12,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:02:12,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:02:12,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 13:02:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:12,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 13:02:12,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:02:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-07-13 13:02:13,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 13:02:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-07-13 13:02:13,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640739286] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 13:02:13,947 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 13:02:13,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-13 13:02:13,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463585536] [2022-07-13 13:02:13,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 13:02:13,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 13:02:13,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:13,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 13:02:13,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-13 13:02:13,950 INFO L87 Difference]: Start difference. First operand 9967 states and 11382 transitions. Second operand has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:19,037 INFO L93 Difference]: Finished difference Result 26769 states and 30359 transitions. [2022-07-13 13:02:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 13:02:19,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 611 [2022-07-13 13:02:19,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:19,054 INFO L225 Difference]: With dead ends: 26769 [2022-07-13 13:02:19,054 INFO L226 Difference]: Without dead ends: 11461 [2022-07-13 13:02:19,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1231 GetRequests, 1216 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-07-13 13:02:19,065 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 3104 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 4786 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3104 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 5512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 4786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:19,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3104 Valid, 206 Invalid, 5512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 4786 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-13 13:02:19,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11461 states. [2022-07-13 13:02:19,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11461 to 8169. [2022-07-13 13:02:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8169 states, 8168 states have (on average 1.0668462291870715) internal successors, (8714), 8168 states have internal predecessors, (8714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8169 states to 8169 states and 8714 transitions. [2022-07-13 13:02:19,174 INFO L78 Accepts]: Start accepts. Automaton has 8169 states and 8714 transitions. Word has length 611 [2022-07-13 13:02:19,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:19,174 INFO L495 AbstractCegarLoop]: Abstraction has 8169 states and 8714 transitions. [2022-07-13 13:02:19,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 8169 states and 8714 transitions. [2022-07-13 13:02:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2022-07-13 13:02:19,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:19,183 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:02:19,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 13:02:19,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-13 13:02:19,406 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:19,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:19,406 INFO L85 PathProgramCache]: Analyzing trace with hash -504436410, now seen corresponding path program 1 times [2022-07-13 13:02:19,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:19,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913162926] [2022-07-13 13:02:19,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:19,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2022-07-13 13:02:19,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:19,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913162926] [2022-07-13 13:02:19,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913162926] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:19,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:19,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:19,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086804418] [2022-07-13 13:02:19,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:19,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:19,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:19,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:19,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:19,689 INFO L87 Difference]: Start difference. First operand 8169 states and 8714 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:20,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:20,637 INFO L93 Difference]: Finished difference Result 18428 states and 19792 transitions. [2022-07-13 13:02:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:20,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 681 [2022-07-13 13:02:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:20,654 INFO L225 Difference]: With dead ends: 18428 [2022-07-13 13:02:20,654 INFO L226 Difference]: Without dead ends: 10261 [2022-07-13 13:02:20,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:20,665 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 274 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:20,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 191 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 13:02:20,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10261 states. [2022-07-13 13:02:20,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10261 to 9961. [2022-07-13 13:02:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9961 states, 9960 states have (on average 1.0639558232931727) internal successors, (10597), 9960 states have internal predecessors, (10597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9961 states to 9961 states and 10597 transitions. [2022-07-13 13:02:20,784 INFO L78 Accepts]: Start accepts. Automaton has 9961 states and 10597 transitions. Word has length 681 [2022-07-13 13:02:20,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:20,785 INFO L495 AbstractCegarLoop]: Abstraction has 9961 states and 10597 transitions. [2022-07-13 13:02:20,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 9961 states and 10597 transitions. [2022-07-13 13:02:20,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2022-07-13 13:02:20,794 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:20,796 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:20,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 13:02:20,797 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:20,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:20,797 INFO L85 PathProgramCache]: Analyzing trace with hash -613071182, now seen corresponding path program 1 times [2022-07-13 13:02:20,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:20,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551995963] [2022-07-13 13:02:20,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:20,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 605 proven. 190 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-13 13:02:21,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:21,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551995963] [2022-07-13 13:02:21,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551995963] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:21,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120094183] [2022-07-13 13:02:21,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:21,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:21,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:02:21,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:02:21,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 13:02:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:21,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:02:21,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:02:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2022-07-13 13:02:27,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:02:27,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120094183] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:27,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:02:27,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 13:02:27,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360680128] [2022-07-13 13:02:27,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:27,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:27,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:27,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:27,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:02:27,275 INFO L87 Difference]: Start difference. First operand 9961 states and 10597 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:27,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:27,307 INFO L93 Difference]: Finished difference Result 10017 states and 10653 transitions. [2022-07-13 13:02:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:27,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 688 [2022-07-13 13:02:27,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:27,323 INFO L225 Difference]: With dead ends: 10017 [2022-07-13 13:02:27,324 INFO L226 Difference]: Without dead ends: 10015 [2022-07-13 13:02:27,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 687 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:02:27,328 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 508 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:27,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 537 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 508 Unchecked, 0.0s Time] [2022-07-13 13:02:27,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10015 states. [2022-07-13 13:02:27,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10015 to 10015. [2022-07-13 13:02:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10015 states, 10014 states have (on average 1.0636109446774515) internal successors, (10651), 10014 states have internal predecessors, (10651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10015 states to 10015 states and 10651 transitions. [2022-07-13 13:02:27,434 INFO L78 Accepts]: Start accepts. Automaton has 10015 states and 10651 transitions. Word has length 688 [2022-07-13 13:02:27,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:27,435 INFO L495 AbstractCegarLoop]: Abstraction has 10015 states and 10651 transitions. [2022-07-13 13:02:27,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 10015 states and 10651 transitions. [2022-07-13 13:02:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2022-07-13 13:02:27,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:27,445 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:27,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 13:02:27,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-13 13:02:27,660 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:27,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:27,660 INFO L85 PathProgramCache]: Analyzing trace with hash 891764688, now seen corresponding path program 1 times [2022-07-13 13:02:27,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:27,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767314462] [2022-07-13 13:02:27,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-07-13 13:02:27,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:27,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767314462] [2022-07-13 13:02:27,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767314462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:27,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:27,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:27,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200404547] [2022-07-13 13:02:27,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:27,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:27,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:27,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:27,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:27,888 INFO L87 Difference]: Start difference. First operand 10015 states and 10651 transitions. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:28,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:28,864 INFO L93 Difference]: Finished difference Result 19727 states and 20997 transitions. [2022-07-13 13:02:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:28,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 703 [2022-07-13 13:02:28,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:28,876 INFO L225 Difference]: With dead ends: 19727 [2022-07-13 13:02:28,876 INFO L226 Difference]: Without dead ends: 10013 [2022-07-13 13:02:28,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:28,881 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:28,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 69 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 13:02:28,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10013 states. [2022-07-13 13:02:28,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10013 to 10013. [2022-07-13 13:02:28,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10013 states, 10012 states have (on average 1.0634238913304035) internal successors, (10647), 10012 states have internal predecessors, (10647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10013 states to 10013 states and 10647 transitions. [2022-07-13 13:02:28,992 INFO L78 Accepts]: Start accepts. Automaton has 10013 states and 10647 transitions. Word has length 703 [2022-07-13 13:02:28,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:28,992 INFO L495 AbstractCegarLoop]: Abstraction has 10013 states and 10647 transitions. [2022-07-13 13:02:28,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 10013 states and 10647 transitions. [2022-07-13 13:02:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2022-07-13 13:02:29,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:29,003 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:29,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 13:02:29,003 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:29,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:29,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1403579945, now seen corresponding path program 1 times [2022-07-13 13:02:29,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:29,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568964633] [2022-07-13 13:02:29,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:29,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 268 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:02:29,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:29,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568964633] [2022-07-13 13:02:29,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568964633] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:29,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765910856] [2022-07-13 13:02:29,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:29,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:29,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:02:29,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:02:29,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 13:02:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:29,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-13 13:02:29,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:02:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 536 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:02:31,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 13:02:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 536 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:02:32,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765910856] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 13:02:32,892 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 13:02:32,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-07-13 13:02:32,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939471033] [2022-07-13 13:02:32,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 13:02:32,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 13:02:32,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:32,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 13:02:32,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-13 13:02:32,896 INFO L87 Difference]: Start difference. First operand 10013 states and 10647 transitions. Second operand has 10 states, 10 states have (on average 142.4) internal successors, (1424), 10 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:38,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:38,695 INFO L93 Difference]: Finished difference Result 25570 states and 27217 transitions. [2022-07-13 13:02:38,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-13 13:02:38,698 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 142.4) internal successors, (1424), 10 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 714 [2022-07-13 13:02:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:38,714 INFO L225 Difference]: With dead ends: 25570 [2022-07-13 13:02:38,715 INFO L226 Difference]: Without dead ends: 15858 [2022-07-13 13:02:38,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1470 GetRequests, 1441 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2022-07-13 13:02:38,723 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 3266 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 7307 mSolverCounterSat, 929 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3266 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 8236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 929 IncrementalHoareTripleChecker+Valid, 7307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:38,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3266 Valid, 321 Invalid, 8236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [929 Valid, 7307 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-13 13:02:38,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15858 states. [2022-07-13 13:02:38,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15858 to 14504. [2022-07-13 13:02:38,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14504 states, 14503 states have (on average 1.056402123698545) internal successors, (15321), 14503 states have internal predecessors, (15321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14504 states to 14504 states and 15321 transitions. [2022-07-13 13:02:38,897 INFO L78 Accepts]: Start accepts. Automaton has 14504 states and 15321 transitions. Word has length 714 [2022-07-13 13:02:38,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:38,898 INFO L495 AbstractCegarLoop]: Abstraction has 14504 states and 15321 transitions. [2022-07-13 13:02:38,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 142.4) internal successors, (1424), 10 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 14504 states and 15321 transitions. [2022-07-13 13:02:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2022-07-13 13:02:38,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:38,910 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:38,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-13 13:02:39,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:39,134 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:39,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:39,135 INFO L85 PathProgramCache]: Analyzing trace with hash 57975096, now seen corresponding path program 1 times [2022-07-13 13:02:39,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:39,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077984168] [2022-07-13 13:02:39,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:39,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 437 proven. 408 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-13 13:02:39,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:39,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077984168] [2022-07-13 13:02:39,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077984168] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:39,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203735224] [2022-07-13 13:02:39,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:39,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:39,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:02:39,510 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:02:39,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 13:02:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:39,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:02:39,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:02:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-13 13:02:39,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:02:39,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203735224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:39,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:02:39,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-13 13:02:39,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290126918] [2022-07-13 13:02:39,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:39,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:39,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:39,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:39,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:02:39,900 INFO L87 Difference]: Start difference. First operand 14504 states and 15321 transitions. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:40,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:40,756 INFO L93 Difference]: Finished difference Result 28405 states and 30022 transitions. [2022-07-13 13:02:40,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:40,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 749 [2022-07-13 13:02:40,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:40,770 INFO L225 Difference]: With dead ends: 28405 [2022-07-13 13:02:40,770 INFO L226 Difference]: Without dead ends: 14202 [2022-07-13 13:02:40,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:02:40,779 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 196 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:40,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 472 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:02:40,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14202 states. [2022-07-13 13:02:40,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14202 to 13903. [2022-07-13 13:02:40,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13903 states, 13902 states have (on average 1.0458207452165156) internal successors, (14539), 13902 states have internal predecessors, (14539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13903 states to 13903 states and 14539 transitions. [2022-07-13 13:02:40,982 INFO L78 Accepts]: Start accepts. Automaton has 13903 states and 14539 transitions. Word has length 749 [2022-07-13 13:02:40,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:40,983 INFO L495 AbstractCegarLoop]: Abstraction has 13903 states and 14539 transitions. [2022-07-13 13:02:40,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 13903 states and 14539 transitions. [2022-07-13 13:02:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2022-07-13 13:02:40,995 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:40,997 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:41,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 13:02:41,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-13 13:02:41,203 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:41,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:41,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1267157389, now seen corresponding path program 1 times [2022-07-13 13:02:41,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:41,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294627518] [2022-07-13 13:02:41,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:41,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 610 proven. 263 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-13 13:02:41,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:41,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294627518] [2022-07-13 13:02:41,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294627518] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:41,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682497185] [2022-07-13 13:02:41,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:41,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:41,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:02:41,616 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:02:41,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 13:02:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:41,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 13:02:41,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:02:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 663 proven. 76 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-07-13 13:02:42,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 13:02:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-13 13:02:42,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682497185] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:42,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-13 13:02:42,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 4] total 9 [2022-07-13 13:02:42,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524638556] [2022-07-13 13:02:42,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:42,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:42,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:42,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:42,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-13 13:02:42,320 INFO L87 Difference]: Start difference. First operand 13903 states and 14539 transitions. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:43,250 INFO L93 Difference]: Finished difference Result 30200 states and 31612 transitions. [2022-07-13 13:02:43,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:43,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 752 [2022-07-13 13:02:43,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:43,268 INFO L225 Difference]: With dead ends: 30200 [2022-07-13 13:02:43,269 INFO L226 Difference]: Without dead ends: 16897 [2022-07-13 13:02:43,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1508 GetRequests, 1501 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-13 13:02:43,280 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 193 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:43,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 422 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:02:43,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16897 states. [2022-07-13 13:02:43,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16897 to 15695. [2022-07-13 13:02:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15695 states, 15694 states have (on average 1.0442207212947623) internal successors, (16388), 15694 states have internal predecessors, (16388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15695 states to 15695 states and 16388 transitions. [2022-07-13 13:02:43,426 INFO L78 Accepts]: Start accepts. Automaton has 15695 states and 16388 transitions. Word has length 752 [2022-07-13 13:02:43,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:43,427 INFO L495 AbstractCegarLoop]: Abstraction has 15695 states and 16388 transitions. [2022-07-13 13:02:43,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 15695 states and 16388 transitions. [2022-07-13 13:02:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2022-07-13 13:02:43,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:43,438 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:43,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-13 13:02:43,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-13 13:02:43,639 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:43,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1193329383, now seen corresponding path program 1 times [2022-07-13 13:02:43,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:43,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261402787] [2022-07-13 13:02:43,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:43,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-07-13 13:02:43,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:43,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261402787] [2022-07-13 13:02:43,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261402787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:43,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:43,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:43,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114065537] [2022-07-13 13:02:43,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:43,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:43,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:43,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:43,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:43,973 INFO L87 Difference]: Start difference. First operand 15695 states and 16388 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:45,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:45,193 INFO L93 Difference]: Finished difference Result 34095 states and 35680 transitions. [2022-07-13 13:02:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:45,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 764 [2022-07-13 13:02:45,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:45,212 INFO L225 Difference]: With dead ends: 34095 [2022-07-13 13:02:45,212 INFO L226 Difference]: Without dead ends: 18701 [2022-07-13 13:02:45,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:45,225 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 285 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:45,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 186 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 13:02:45,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18701 states. [2022-07-13 13:02:45,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18701 to 17191. [2022-07-13 13:02:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17191 states, 17190 states have (on average 1.0467713787085515) internal successors, (17994), 17190 states have internal predecessors, (17994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17191 states to 17191 states and 17994 transitions. [2022-07-13 13:02:45,405 INFO L78 Accepts]: Start accepts. Automaton has 17191 states and 17994 transitions. Word has length 764 [2022-07-13 13:02:45,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:45,405 INFO L495 AbstractCegarLoop]: Abstraction has 17191 states and 17994 transitions. [2022-07-13 13:02:45,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 17191 states and 17994 transitions. [2022-07-13 13:02:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2022-07-13 13:02:45,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:45,415 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:45,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-13 13:02:45,416 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:45,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:45,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2048798901, now seen corresponding path program 1 times [2022-07-13 13:02:45,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:45,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754342133] [2022-07-13 13:02:45,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:45,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-07-13 13:02:45,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:45,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754342133] [2022-07-13 13:02:45,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754342133] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:45,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:45,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:45,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612852293] [2022-07-13 13:02:45,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:45,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:45,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:45,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:45,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:45,739 INFO L87 Difference]: Start difference. First operand 17191 states and 17994 transitions. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:46,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:46,690 INFO L93 Difference]: Finished difference Result 38279 states and 40180 transitions. [2022-07-13 13:02:46,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:46,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 790 [2022-07-13 13:02:46,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:46,712 INFO L225 Difference]: With dead ends: 38279 [2022-07-13 13:02:46,712 INFO L226 Difference]: Without dead ends: 21688 [2022-07-13 13:02:46,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:46,724 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 176 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:46,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 538 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:02:46,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21688 states. [2022-07-13 13:02:46,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21688 to 19595. [2022-07-13 13:02:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19595 states, 19594 states have (on average 1.0411860773706236) internal successors, (20401), 19594 states have internal predecessors, (20401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19595 states to 19595 states and 20401 transitions. [2022-07-13 13:02:46,912 INFO L78 Accepts]: Start accepts. Automaton has 19595 states and 20401 transitions. Word has length 790 [2022-07-13 13:02:46,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:46,912 INFO L495 AbstractCegarLoop]: Abstraction has 19595 states and 20401 transitions. [2022-07-13 13:02:46,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 19595 states and 20401 transitions. [2022-07-13 13:02:46,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2022-07-13 13:02:46,924 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:46,924 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:46,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-13 13:02:46,924 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:46,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash 935429561, now seen corresponding path program 1 times [2022-07-13 13:02:46,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:46,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283658422] [2022-07-13 13:02:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:46,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 684 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-07-13 13:02:47,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:47,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283658422] [2022-07-13 13:02:47,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283658422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:47,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:47,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:47,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526790549] [2022-07-13 13:02:47,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:47,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:47,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:47,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:47,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:47,251 INFO L87 Difference]: Start difference. First operand 19595 states and 20401 transitions. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:48,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:48,145 INFO L93 Difference]: Finished difference Result 40383 states and 42083 transitions. [2022-07-13 13:02:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:48,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 810 [2022-07-13 13:02:48,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:48,167 INFO L225 Difference]: With dead ends: 40383 [2022-07-13 13:02:48,167 INFO L226 Difference]: Without dead ends: 21388 [2022-07-13 13:02:48,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:48,179 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 39 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:48,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 511 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:02:48,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21388 states. [2022-07-13 13:02:48,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21388 to 18386. [2022-07-13 13:02:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18386 states, 18385 states have (on average 1.0378025564318738) internal successors, (19080), 18385 states have internal predecessors, (19080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18386 states to 18386 states and 19080 transitions. [2022-07-13 13:02:48,344 INFO L78 Accepts]: Start accepts. Automaton has 18386 states and 19080 transitions. Word has length 810 [2022-07-13 13:02:48,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:48,345 INFO L495 AbstractCegarLoop]: Abstraction has 18386 states and 19080 transitions. [2022-07-13 13:02:48,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 18386 states and 19080 transitions. [2022-07-13 13:02:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2022-07-13 13:02:48,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:48,358 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:48,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-13 13:02:48,358 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:48,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:48,359 INFO L85 PathProgramCache]: Analyzing trace with hash -735045425, now seen corresponding path program 1 times [2022-07-13 13:02:48,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:48,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123336357] [2022-07-13 13:02:48,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:48,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 753 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-07-13 13:02:48,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:48,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123336357] [2022-07-13 13:02:48,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123336357] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:48,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:48,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:48,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348521518] [2022-07-13 13:02:48,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:48,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:48,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:48,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:48,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:48,630 INFO L87 Difference]: Start difference. First operand 18386 states and 19080 transitions. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:49,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:49,525 INFO L93 Difference]: Finished difference Result 37957 states and 39458 transitions. [2022-07-13 13:02:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:49,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 825 [2022-07-13 13:02:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:49,545 INFO L225 Difference]: With dead ends: 37957 [2022-07-13 13:02:49,546 INFO L226 Difference]: Without dead ends: 20171 [2022-07-13 13:02:49,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:49,558 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 193 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:49,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 457 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:02:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20171 states. [2022-07-13 13:02:49,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20171 to 19872. [2022-07-13 13:02:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19872 states, 19871 states have (on average 1.0357807860701524) internal successors, (20582), 19871 states have internal predecessors, (20582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19872 states to 19872 states and 20582 transitions. [2022-07-13 13:02:49,751 INFO L78 Accepts]: Start accepts. Automaton has 19872 states and 20582 transitions. Word has length 825 [2022-07-13 13:02:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:49,751 INFO L495 AbstractCegarLoop]: Abstraction has 19872 states and 20582 transitions. [2022-07-13 13:02:49,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand 19872 states and 20582 transitions. [2022-07-13 13:02:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2022-07-13 13:02:49,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:49,762 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:49,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-13 13:02:49,762 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:49,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:49,763 INFO L85 PathProgramCache]: Analyzing trace with hash 253195884, now seen corresponding path program 1 times [2022-07-13 13:02:49,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:49,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642792619] [2022-07-13 13:02:49,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:49,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 480 proven. 504 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-07-13 13:02:50,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:50,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642792619] [2022-07-13 13:02:50,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642792619] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:50,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142598833] [2022-07-13 13:02:50,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:50,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:50,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:02:50,237 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:02:50,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 13:02:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:50,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:02:50,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:02:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 721 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-13 13:02:50,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:02:50,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142598833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:50,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:02:50,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-13 13:02:50,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468668631] [2022-07-13 13:02:50,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:50,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:50,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:50,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:50,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:02:50,674 INFO L87 Difference]: Start difference. First operand 19872 states and 20582 transitions. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:51,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:51,634 INFO L93 Difference]: Finished difference Result 40934 states and 42420 transitions. [2022-07-13 13:02:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:51,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 845 [2022-07-13 13:02:51,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:51,655 INFO L225 Difference]: With dead ends: 40934 [2022-07-13 13:02:51,656 INFO L226 Difference]: Without dead ends: 21662 [2022-07-13 13:02:51,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:02:51,669 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 117 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:51,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 117 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 13:02:51,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21662 states. [2022-07-13 13:02:51,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21662 to 20167. [2022-07-13 13:02:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20167 states, 20166 states have (on average 1.0315382326688485) internal successors, (20802), 20166 states have internal predecessors, (20802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20167 states to 20167 states and 20802 transitions. [2022-07-13 13:02:51,911 INFO L78 Accepts]: Start accepts. Automaton has 20167 states and 20802 transitions. Word has length 845 [2022-07-13 13:02:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:51,912 INFO L495 AbstractCegarLoop]: Abstraction has 20167 states and 20802 transitions. [2022-07-13 13:02:51,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 20167 states and 20802 transitions. [2022-07-13 13:02:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2022-07-13 13:02:51,923 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:51,923 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:51,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-13 13:02:52,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:52,125 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:52,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:52,125 INFO L85 PathProgramCache]: Analyzing trace with hash 671470593, now seen corresponding path program 1 times [2022-07-13 13:02:52,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:52,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403943324] [2022-07-13 13:02:52,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:52,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 783 proven. 263 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-13 13:02:52,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:52,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403943324] [2022-07-13 13:02:52,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403943324] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:52,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657397801] [2022-07-13 13:02:52,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:52,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:52,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:02:52,519 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:02:52,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-13 13:02:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:52,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:02:52,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:02:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2022-07-13 13:02:55,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:02:55,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657397801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:55,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:02:55,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-13 13:02:55,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747482994] [2022-07-13 13:02:55,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:55,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:55,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:55,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:55,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:02:55,671 INFO L87 Difference]: Start difference. First operand 20167 states and 20802 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:55,751 INFO L93 Difference]: Finished difference Result 20224 states and 20859 transitions. [2022-07-13 13:02:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:55,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 902 [2022-07-13 13:02:55,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:55,774 INFO L225 Difference]: With dead ends: 20224 [2022-07-13 13:02:55,774 INFO L226 Difference]: Without dead ends: 20222 [2022-07-13 13:02:55,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 902 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:02:55,781 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 492 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:55,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 492 Unchecked, 0.0s Time] [2022-07-13 13:02:55,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20222 states. [2022-07-13 13:02:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20222 to 20222. [2022-07-13 13:02:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20222 states, 20221 states have (on average 1.0314524504228277) internal successors, (20857), 20221 states have internal predecessors, (20857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20222 states to 20222 states and 20857 transitions. [2022-07-13 13:02:56,026 INFO L78 Accepts]: Start accepts. Automaton has 20222 states and 20857 transitions. Word has length 902 [2022-07-13 13:02:56,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:56,027 INFO L495 AbstractCegarLoop]: Abstraction has 20222 states and 20857 transitions. [2022-07-13 13:02:56,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 20222 states and 20857 transitions. [2022-07-13 13:02:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2022-07-13 13:02:56,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:56,039 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:56,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-13 13:02:56,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:56,252 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:56,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:56,253 INFO L85 PathProgramCache]: Analyzing trace with hash 265357548, now seen corresponding path program 1 times [2022-07-13 13:02:56,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:56,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964450968] [2022-07-13 13:02:56,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:56,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 652 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-07-13 13:02:56,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:56,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964450968] [2022-07-13 13:02:56,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964450968] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:56,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:56,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:02:56,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387710978] [2022-07-13 13:02:56,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:56,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:56,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:56,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:56,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:56,615 INFO L87 Difference]: Start difference. First operand 20222 states and 20857 transitions. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:57,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:57,436 INFO L93 Difference]: Finished difference Result 33531 states and 34487 transitions. [2022-07-13 13:02:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:57,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 911 [2022-07-13 13:02:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:57,447 INFO L225 Difference]: With dead ends: 33531 [2022-07-13 13:02:57,447 INFO L226 Difference]: Without dead ends: 13555 [2022-07-13 13:02:57,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:02:57,457 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 174 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:57,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 71 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:02:57,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13555 states. [2022-07-13 13:02:57,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13555 to 11153. [2022-07-13 13:02:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11153 states, 11152 states have (on average 1.021700143472023) internal successors, (11394), 11152 states have internal predecessors, (11394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11153 states to 11153 states and 11394 transitions. [2022-07-13 13:02:57,554 INFO L78 Accepts]: Start accepts. Automaton has 11153 states and 11394 transitions. Word has length 911 [2022-07-13 13:02:57,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:57,555 INFO L495 AbstractCegarLoop]: Abstraction has 11153 states and 11394 transitions. [2022-07-13 13:02:57,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 11153 states and 11394 transitions. [2022-07-13 13:02:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2022-07-13 13:02:57,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:57,567 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:57,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-13 13:02:57,568 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:57,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:57,568 INFO L85 PathProgramCache]: Analyzing trace with hash 293785821, now seen corresponding path program 1 times [2022-07-13 13:02:57,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:57,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068546368] [2022-07-13 13:02:57,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 1046 proven. 263 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-07-13 13:02:57,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:57,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068546368] [2022-07-13 13:02:57,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068546368] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:02:57,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473690685] [2022-07-13 13:02:57,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:57,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:02:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:02:57,998 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:02:57,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-13 13:02:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:58,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 13:02:58,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:02:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 1121 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2022-07-13 13:02:58,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:02:58,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473690685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:58,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:02:58,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-13 13:02:58,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149336204] [2022-07-13 13:02:58,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:58,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:02:58,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:58,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:02:58,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:02:58,489 INFO L87 Difference]: Start difference. First operand 11153 states and 11394 transitions. Second operand has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:59,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:02:59,216 INFO L93 Difference]: Finished difference Result 24110 states and 24645 transitions. [2022-07-13 13:02:59,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:02:59,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 961 [2022-07-13 13:02:59,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:02:59,229 INFO L225 Difference]: With dead ends: 24110 [2022-07-13 13:02:59,229 INFO L226 Difference]: Without dead ends: 13557 [2022-07-13 13:02:59,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 966 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:02:59,236 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 239 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:02:59,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 97 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:02:59,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13557 states. [2022-07-13 13:02:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13557 to 10501. [2022-07-13 13:02:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10501 states, 10500 states have (on average 1.0219047619047619) internal successors, (10730), 10500 states have internal predecessors, (10730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10501 states to 10501 states and 10730 transitions. [2022-07-13 13:02:59,335 INFO L78 Accepts]: Start accepts. Automaton has 10501 states and 10730 transitions. Word has length 961 [2022-07-13 13:02:59,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:02:59,336 INFO L495 AbstractCegarLoop]: Abstraction has 10501 states and 10730 transitions. [2022-07-13 13:02:59,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:02:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 10501 states and 10730 transitions. [2022-07-13 13:02:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2022-07-13 13:02:59,350 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:02:59,350 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:02:59,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-13 13:02:59,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-07-13 13:02:59,561 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:02:59,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:02:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash -421321220, now seen corresponding path program 1 times [2022-07-13 13:02:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:02:59,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158976719] [2022-07-13 13:02:59,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:02:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:02:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:02:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 1015 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-07-13 13:02:59,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:02:59,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158976719] [2022-07-13 13:02:59,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158976719] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:02:59,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:02:59,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 13:02:59,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239051100] [2022-07-13 13:02:59,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:02:59,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 13:02:59,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:02:59,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 13:02:59,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 13:02:59,935 INFO L87 Difference]: Start difference. First operand 10501 states and 10730 transitions. Second operand has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:01,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:03:01,453 INFO L93 Difference]: Finished difference Result 20791 states and 21253 transitions. [2022-07-13 13:03:01,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 13:03:01,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 961 [2022-07-13 13:03:01,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:03:01,463 INFO L225 Difference]: With dead ends: 20791 [2022-07-13 13:03:01,463 INFO L226 Difference]: Without dead ends: 10890 [2022-07-13 13:03:01,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:03:01,469 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 366 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 2466 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:03:01,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 433 Invalid, 2568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2466 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:03:01,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10890 states. [2022-07-13 13:03:01,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10890 to 10798. [2022-07-13 13:03:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10798 states, 10797 states have (on average 1.0175048624617948) internal successors, (10986), 10797 states have internal predecessors, (10986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10798 states to 10798 states and 10986 transitions. [2022-07-13 13:03:01,560 INFO L78 Accepts]: Start accepts. Automaton has 10798 states and 10986 transitions. Word has length 961 [2022-07-13 13:03:01,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:03:01,561 INFO L495 AbstractCegarLoop]: Abstraction has 10798 states and 10986 transitions. [2022-07-13 13:03:01,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 10798 states and 10986 transitions. [2022-07-13 13:03:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2022-07-13 13:03:01,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:03:01,576 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:03:01,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-13 13:03:01,576 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:03:01,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:03:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1580374333, now seen corresponding path program 1 times [2022-07-13 13:03:01,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:03:01,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919095482] [2022-07-13 13:03:01,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:03:01,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:03:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:03:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 1181 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2022-07-13 13:03:01,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:03:01,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919095482] [2022-07-13 13:03:01,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919095482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:03:01,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:03:01,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:03:01,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715318831] [2022-07-13 13:03:01,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:03:01,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:03:01,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:03:01,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:03:01,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:03:01,888 INFO L87 Difference]: Start difference. First operand 10798 states and 10986 transitions. Second operand has 4 states, 4 states have (on average 161.5) internal successors, (646), 4 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:02,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:03:02,752 INFO L93 Difference]: Finished difference Result 21695 states and 22073 transitions. [2022-07-13 13:03:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 13:03:02,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 161.5) internal successors, (646), 4 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 973 [2022-07-13 13:03:02,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:03:02,760 INFO L225 Difference]: With dead ends: 21695 [2022-07-13 13:03:02,760 INFO L226 Difference]: Without dead ends: 11497 [2022-07-13 13:03:02,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-13 13:03:02,765 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 420 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:03:02,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 416 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:03:02,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11497 states. [2022-07-13 13:03:02,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11497 to 10798. [2022-07-13 13:03:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10798 states, 10797 states have (on average 1.0175048624617948) internal successors, (10986), 10797 states have internal predecessors, (10986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10798 states to 10798 states and 10986 transitions. [2022-07-13 13:03:02,853 INFO L78 Accepts]: Start accepts. Automaton has 10798 states and 10986 transitions. Word has length 973 [2022-07-13 13:03:02,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:03:02,853 INFO L495 AbstractCegarLoop]: Abstraction has 10798 states and 10986 transitions. [2022-07-13 13:03:02,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 161.5) internal successors, (646), 4 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 10798 states and 10986 transitions. [2022-07-13 13:03:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1010 [2022-07-13 13:03:02,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:03:02,864 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:03:02,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-13 13:03:02,864 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:03:02,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:03:02,865 INFO L85 PathProgramCache]: Analyzing trace with hash 15321669, now seen corresponding path program 1 times [2022-07-13 13:03:02,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:03:02,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871965162] [2022-07-13 13:03:02,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:03:02,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:03:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:03:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 935 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2022-07-13 13:03:03,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:03:03,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871965162] [2022-07-13 13:03:03,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871965162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:03:03,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:03:03,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:03:03,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709032629] [2022-07-13 13:03:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:03:03,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:03:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:03:03,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:03:03,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:03:03,168 INFO L87 Difference]: Start difference. First operand 10798 states and 10986 transitions. Second operand has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:03,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:03:03,907 INFO L93 Difference]: Finished difference Result 23090 states and 23503 transitions. [2022-07-13 13:03:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:03:03,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1009 [2022-07-13 13:03:03,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:03:03,919 INFO L225 Difference]: With dead ends: 23090 [2022-07-13 13:03:03,919 INFO L226 Difference]: Without dead ends: 12892 [2022-07-13 13:03:03,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:03:03,925 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 84 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:03:03,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 76 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:03:03,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12892 states. [2022-07-13 13:03:04,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12892 to 11695. [2022-07-13 13:03:04,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11695 states, 11694 states have (on average 1.0153069950401916) internal successors, (11873), 11694 states have internal predecessors, (11873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11695 states to 11695 states and 11873 transitions. [2022-07-13 13:03:04,028 INFO L78 Accepts]: Start accepts. Automaton has 11695 states and 11873 transitions. Word has length 1009 [2022-07-13 13:03:04,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:03:04,029 INFO L495 AbstractCegarLoop]: Abstraction has 11695 states and 11873 transitions. [2022-07-13 13:03:04,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:04,030 INFO L276 IsEmpty]: Start isEmpty. Operand 11695 states and 11873 transitions. [2022-07-13 13:03:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2022-07-13 13:03:04,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:03:04,044 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:03:04,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-13 13:03:04,044 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:03:04,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:03:04,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1964789682, now seen corresponding path program 1 times [2022-07-13 13:03:04,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:03:04,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284988536] [2022-07-13 13:03:04,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:03:04,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:03:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:03:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 1287 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2022-07-13 13:03:04,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:03:04,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284988536] [2022-07-13 13:03:04,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284988536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:03:04,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:03:04,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:03:04,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094140957] [2022-07-13 13:03:04,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:03:04,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:03:04,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:03:04,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:03:04,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:03:04,425 INFO L87 Difference]: Start difference. First operand 11695 states and 11873 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:05,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:03:05,555 INFO L93 Difference]: Finished difference Result 17693 states and 17952 transitions. [2022-07-13 13:03:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:03:05,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1092 [2022-07-13 13:03:05,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:03:05,569 INFO L225 Difference]: With dead ends: 17693 [2022-07-13 13:03:05,569 INFO L226 Difference]: Without dead ends: 17691 [2022-07-13 13:03:05,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:03:05,573 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 361 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 13:03:05,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 89 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 13:03:05,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17691 states. [2022-07-13 13:03:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17691 to 14091. [2022-07-13 13:03:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14091 states, 14090 states have (on average 1.014762242725337) internal successors, (14298), 14090 states have internal predecessors, (14298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14091 states to 14091 states and 14298 transitions. [2022-07-13 13:03:05,706 INFO L78 Accepts]: Start accepts. Automaton has 14091 states and 14298 transitions. Word has length 1092 [2022-07-13 13:03:05,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:03:05,706 INFO L495 AbstractCegarLoop]: Abstraction has 14091 states and 14298 transitions. [2022-07-13 13:03:05,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 14091 states and 14298 transitions. [2022-07-13 13:03:05,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2022-07-13 13:03:05,718 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:03:05,719 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:03:05,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-13 13:03:05,719 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:03:05,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:03:05,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1524588900, now seen corresponding path program 1 times [2022-07-13 13:03:05,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:03:05,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471379174] [2022-07-13 13:03:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:03:05,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:03:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:03:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1944 backedges. 1405 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-07-13 13:03:05,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:03:05,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471379174] [2022-07-13 13:03:05,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471379174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:03:05,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:03:05,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:03:05,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197416368] [2022-07-13 13:03:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:03:05,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:03:05,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:03:05,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:03:05,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:03:05,994 INFO L87 Difference]: Start difference. First operand 14091 states and 14298 transitions. Second operand has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:06,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:03:06,759 INFO L93 Difference]: Finished difference Result 29680 states and 30119 transitions. [2022-07-13 13:03:06,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:03:06,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1095 [2022-07-13 13:03:06,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:03:06,772 INFO L225 Difference]: With dead ends: 29680 [2022-07-13 13:03:06,772 INFO L226 Difference]: Without dead ends: 16189 [2022-07-13 13:03:06,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:03:06,780 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 159 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:03:06,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 384 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:03:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16189 states. [2022-07-13 13:03:06,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16189 to 11697. [2022-07-13 13:03:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11697 states, 11696 states have (on average 1.015389876880985) internal successors, (11876), 11696 states have internal predecessors, (11876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11697 states to 11697 states and 11876 transitions. [2022-07-13 13:03:06,897 INFO L78 Accepts]: Start accepts. Automaton has 11697 states and 11876 transitions. Word has length 1095 [2022-07-13 13:03:06,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:03:06,898 INFO L495 AbstractCegarLoop]: Abstraction has 11697 states and 11876 transitions. [2022-07-13 13:03:06,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 11697 states and 11876 transitions. [2022-07-13 13:03:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1190 [2022-07-13 13:03:06,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:03:06,911 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:03:06,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-13 13:03:06,912 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:03:06,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:03:06,912 INFO L85 PathProgramCache]: Analyzing trace with hash -51577157, now seen corresponding path program 1 times [2022-07-13 13:03:06,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:03:06,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074962111] [2022-07-13 13:03:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:03:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:03:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:03:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-07-13 13:03:07,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:03:07,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074962111] [2022-07-13 13:03:07,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074962111] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:03:07,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:03:07,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:03:07,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096488318] [2022-07-13 13:03:07,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:03:07,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:03:07,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:03:07,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:03:07,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:03:07,196 INFO L87 Difference]: Start difference. First operand 11697 states and 11876 transitions. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:07,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:03:07,864 INFO L93 Difference]: Finished difference Result 23092 states and 23448 transitions. [2022-07-13 13:03:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:03:07,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1189 [2022-07-13 13:03:07,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:03:07,873 INFO L225 Difference]: With dead ends: 23092 [2022-07-13 13:03:07,873 INFO L226 Difference]: Without dead ends: 11696 [2022-07-13 13:03:07,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:03:07,878 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 308 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 13:03:07,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 400 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 13:03:07,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11696 states. [2022-07-13 13:03:07,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11696 to 10500. [2022-07-13 13:03:07,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10500 states, 10499 states have (on average 1.0142870749595199) internal successors, (10649), 10499 states have internal predecessors, (10649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10500 states to 10500 states and 10649 transitions. [2022-07-13 13:03:07,972 INFO L78 Accepts]: Start accepts. Automaton has 10500 states and 10649 transitions. Word has length 1189 [2022-07-13 13:03:07,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:03:07,972 INFO L495 AbstractCegarLoop]: Abstraction has 10500 states and 10649 transitions. [2022-07-13 13:03:07,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:07,973 INFO L276 IsEmpty]: Start isEmpty. Operand 10500 states and 10649 transitions. [2022-07-13 13:03:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1217 [2022-07-13 13:03:07,986 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:03:07,986 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-07-13 13:03:07,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-13 13:03:07,999 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:03:08,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:03:08,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1609974387, now seen corresponding path program 1 times [2022-07-13 13:03:08,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:03:08,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191547882] [2022-07-13 13:03:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:03:08,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:03:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:03:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 1150 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2022-07-13 13:03:08,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:03:08,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191547882] [2022-07-13 13:03:08,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191547882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:03:08,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:03:08,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 13:03:08,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007001294] [2022-07-13 13:03:08,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:03:08,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 13:03:08,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:03:08,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 13:03:08,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-13 13:03:08,529 INFO L87 Difference]: Start difference. First operand 10500 states and 10649 transitions. Second operand has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:10,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:03:10,000 INFO L93 Difference]: Finished difference Result 21679 states and 21986 transitions. [2022-07-13 13:03:10,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 13:03:10,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1216 [2022-07-13 13:03:10,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:03:10,002 INFO L225 Difference]: With dead ends: 21679 [2022-07-13 13:03:10,002 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 13:03:10,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-13 13:03:10,008 INFO L413 NwaCegarLoop]: 400 mSDtfsCounter, 462 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 2115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:03:10,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 515 Invalid, 2115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:03:10,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 13:03:10,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 13:03:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 13:03:10,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1216 [2022-07-13 13:03:10,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:03:10,009 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 13:03:10,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:03:10,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 13:03:10,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 13:03:10,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 13:03:10,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-13 13:03:10,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 13:04:15,236 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 726 DAG size of output: 692 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-13 13:05:16,397 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 718 DAG size of output: 692 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-13 13:05:24,611 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 692 DAG size of output: 171 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-13 13:05:30,113 WARN L233 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 692 DAG size of output: 171 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-13 13:05:30,117 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,117 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,117 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,117 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,117 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,117 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,117 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,118 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,119 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-13 13:05:30,119 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-13 13:05:30,119 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,119 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,119 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,119 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-13 13:05:30,120 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,121 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,121 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,121 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,121 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,121 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-13 13:05:30,121 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,121 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,121 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,122 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,122 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,122 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,122 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-13 13:05:30,122 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,122 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,122 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,122 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,123 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,123 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,123 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-13 13:05:30,123 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,123 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,123 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,123 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,124 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,124 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,124 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-13 13:05:30,124 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,124 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,124 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,124 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,124 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-13 13:05:30,125 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-13 13:05:30,125 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,125 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,125 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,125 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,125 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-13 13:05:30,125 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,125 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,126 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,126 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,126 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,126 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,126 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-13 13:05:30,126 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,126 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-13 13:05:30,126 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,127 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,128 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,129 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-13 13:05:30,130 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,131 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,132 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-13 13:05:30,133 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,134 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,134 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-13 13:05:30,134 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,134 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,134 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,134 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,134 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,134 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,135 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,136 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-13 13:05:30,137 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-13 13:05:30,138 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-13 13:05:30,139 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,139 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,139 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,139 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,140 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse30 (+ ~a0~0 147)) (.cse31 (+ ~a4~0 86))) (let ((.cse22 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse0 (+ ~a29~0 127)) (.cse4 (< 0 .cse31)) (.cse2 (= ~a2~0 1)) (.cse13 (<= (+ ~a0~0 61) 0)) (.cse25 (<= (+ ~a0~0 150) 0)) (.cse6 (<= (+ 42 ~a4~0) 0)) (.cse7 (<= .cse30 0)) (.cse20 (<= 4 ~a2~0)) (.cse23 (< 0 (+ ~a29~0 16)))) (let ((.cse15 (or (and .cse6 .cse25 .cse20) (and .cse6 .cse7 .cse20 .cse23))) (.cse9 (<= 38763 ~a29~0)) (.cse24 (<= .cse31 0)) (.cse14 (< 43 ~a29~0)) (.cse27 (< 0 .cse30)) (.cse26 (let ((.cse29 (<= ~a29~0 401234))) (or (and .cse4 .cse2 .cse29) (and .cse2 .cse29 .cse13)))) (.cse19 (<= (+ ~a29~0 9) 0)) (.cse21 (<= 0 (+ ~a29~0 192415))) (.cse10 (<= (+ 98 ~a0~0) 0)) (.cse12 (<= 0 (+ ~a0~0 145))) (.cse16 (<= ~a2~0 4)) (.cse28 (< ~a29~0 43)) (.cse11 (= 3 ~a2~0)) (.cse3 (<= .cse0 0)) (.cse18 (<= ~a29~0 41)) (.cse8 (or (and (not .cse22) .cse1) (and .cse1 (<= 0 (+ ~a0~0 60))))) (.cse17 (<= 0 (+ ~a0~0 459337))) (.cse5 (= 5 ~a2~0))) (or (and (<= 0 .cse0) .cse1 .cse2 (<= 0 (+ 44 ~a0~0)) .cse3) (and .cse4 (<= 533309 ~a29~0) .cse5 .cse6 .cse7 (not (= |ULTIMATE.start_calculate_output_~input#1| 4))) (and .cse5 .cse8 .cse9) (and .cse6 .cse10 .cse11 .cse12 .cse13) (and .cse4 .cse14 .cse15 .cse16) (and .cse17 .cse5 (or (and .cse18 .cse15) (and .cse6 .cse7 .cse19 .cse20 .cse21))) (and .cse14 .cse8 .cse11) (and .cse4 .cse6 .cse22 .cse10 .cse23 .cse12) (and .cse6 .cse7 .cse2 (not (<= ~a29~0 43)) .cse13) (and .cse17 .cse5 .cse15 .cse9) (and .cse6 .cse7 .cse11 .cse13) (and .cse17 (or (and (not (= |ULTIMATE.start_calculate_output_~input#1| 5)) .cse6 (not .cse24) .cse7 .cse19 .cse20 (<= (+ ~a29~0 17) 0) .cse16 .cse21) (and .cse6 .cse25 .cse20 .cse3 .cse16))) (and .cse18 .cse8 .cse23 .cse11) (and .cse17 .cse18 .cse6 .cse7 .cse2 .cse13) (and .cse4 .cse6 .cse22 .cse7) (and (or (and .cse5 .cse6 .cse12 .cse9) (and .cse5 .cse18 .cse6 .cse23 .cse12)) .cse10) (and (<= 0 (+ 97 ~a0~0)) .cse1 .cse13) (and .cse2 .cse24 .cse13 (<= (+ ~a29~0 144) 0)) (and .cse22 .cse8) (and .cse18 .cse6 .cse26 .cse23) (and .cse17 .cse14 .cse6 .cse10 .cse20 .cse16) (and .cse27 .cse6 .cse10 .cse2 .cse3) (and .cse27 .cse6 .cse19 .cse26 .cse21) (and .cse5 .cse6 .cse10 .cse19 .cse12 .cse21) (and .cse6 .cse10 .cse2 .cse12 .cse13) (and .cse28 .cse8 .cse20 .cse16) (and .cse8 .cse13) (and .cse22 .cse28 .cse1) (and .cse1 .cse11 .cse3) (and .cse5 .cse18 .cse8 .cse23) (and .cse4 .cse17 .cse5 .cse6 (<= 0 (+ ~a29~0 15)) .cse7))))) [2022-07-13 13:05:30,140 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-13 13:05:30,140 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-13 13:05:30,140 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,140 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,140 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,140 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,140 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,141 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,141 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,141 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-13 13:05:30,141 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,141 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-13 13:05:30,141 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-13 13:05:30,141 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-13 13:05:30,142 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse20 (= 2 ~a2~0)) (.cse34 (+ ~a4~0 86)) (.cse33 (+ ~a0~0 147)) (.cse11 (= 3 ~a2~0))) (let ((.cse1 (not .cse11)) (.cse21 (<= .cse33 0)) (.cse15 (< 0 (+ ~a29~0 16))) (.cse4 (<= 0 (+ ~a29~0 192415))) (.cse9 (<= (+ 42 ~a4~0) 0)) (.cse27 (<= (+ ~a0~0 150) 0)) (.cse17 (<= 4 ~a2~0)) (.cse30 (<= .cse34 0)) (.cse5 (+ ~a29~0 127)) (.cse24 (not .cse20)) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse19 (< 0 .cse34)) (.cse7 (= ~a2~0 1)) (.cse13 (<= (+ ~a0~0 61) 0))) (let ((.cse12 (<= 0 (+ ~a0~0 145))) (.cse3 (<= 38763 ~a29~0)) (.cse10 (<= (+ 98 ~a0~0) 0)) (.cse29 (< 0 .cse33)) (.cse28 (let ((.cse32 (<= ~a29~0 401234))) (or (and .cse19 .cse7 .cse32) (and .cse7 .cse32 .cse13)))) (.cse26 (<= (+ ~a29~0 9) 0)) (.cse16 (< 43 ~a29~0)) (.cse2 (or (and .cse24 .cse6) (and .cse6 (<= 0 (+ ~a0~0 60))))) (.cse18 (<= ~a2~0 4)) (.cse31 (< ~a29~0 43)) (.cse8 (<= .cse5 0)) (.cse0 (= 5 ~a2~0)) (.cse25 (not .cse30)) (.cse23 (or (and .cse1 .cse9 .cse24 .cse21 .cse17 .cse15 .cse13 .cse4) (and .cse9 .cse27 .cse17))) (.cse22 (<= 0 (+ ~a0~0 459337))) (.cse14 (<= ~a29~0 41))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 0 .cse5) .cse6 .cse7 (<= 0 (+ 44 ~a0~0)) .cse8) (and .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse14 .cse1 .cse2 .cse15 .cse4) (and .cse16 .cse2 .cse11) (and .cse6 .cse17 .cse8 .cse18) (and .cse19 .cse9 .cse20 .cse10 .cse15 .cse12) (and .cse9 .cse21 .cse11 .cse13) (and .cse9 .cse10 .cse7 .cse12) (and .cse14 .cse2 .cse15 .cse11) (and .cse22 .cse0 .cse23 .cse3) (and .cse22 (or (and (not (= |ULTIMATE.start_calculate_output_~input#1| 5)) .cse1 .cse9 .cse24 .cse25 .cse21 .cse26 .cse17 (<= (+ ~a29~0 17) 0) .cse13 .cse18 .cse4) (and .cse9 .cse27 .cse17 .cse8 .cse18))) (and .cse19 .cse9 .cse20 .cse21) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse13) (and .cse22 .cse16 .cse1 .cse9 .cse24 .cse10 .cse17 .cse13 .cse18 .cse4) (and .cse9 .cse21 .cse7 (not (<= ~a29~0 43))) (and .cse22 .cse0 .cse25 .cse23) (and .cse20 .cse2) (and .cse10 (or (and .cse0 .cse14 .cse1 .cse9 .cse24 .cse12 .cse13 .cse4) (and .cse0 .cse1 .cse9 .cse24 .cse12 .cse3 .cse13 .cse4))) (and .cse14 .cse9 .cse28 .cse15 .cse4) (and .cse29 .cse9 .cse10 .cse7 .cse8) (and .cse7 .cse30 (<= (+ ~a29~0 144) 0)) (and .cse29 .cse9 .cse26 .cse28 .cse4) (and .cse22 .cse0 (or (and .cse1 .cse9 .cse24 .cse21 .cse26 .cse17 .cse13 .cse4) (and .cse14 .cse23))) (and .cse19 .cse16 .cse23 .cse18) (and .cse2 .cse13) (and .cse1 .cse31 .cse2 .cse17 .cse18 .cse4) (and .cse20 .cse31 .cse6) (and .cse6 .cse11 .cse8) (and (<= 533309 ~a29~0) .cse0 .cse25 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)) .cse23) (and .cse22 .cse14 .cse9 .cse21 .cse7))))) [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,143 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,144 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,145 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,145 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,145 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,145 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-13 13:05:30,145 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,145 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-13 13:05:30,145 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-13 13:05:30,146 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,147 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,147 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,147 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,147 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,147 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,147 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,147 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-13 13:05:30,148 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-13 13:05:30,148 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,148 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,148 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,148 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,148 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,148 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,148 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,149 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-13 13:05:30,149 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-13 13:05:30,149 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,149 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-13 13:05:30,149 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-13 13:05:30,149 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,149 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,149 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,150 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,150 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,150 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,150 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse20 (= 2 ~a2~0)) (.cse34 (+ ~a4~0 86)) (.cse33 (+ ~a0~0 147)) (.cse11 (= 3 ~a2~0))) (let ((.cse1 (not .cse11)) (.cse21 (<= .cse33 0)) (.cse15 (< 0 (+ ~a29~0 16))) (.cse4 (<= 0 (+ ~a29~0 192415))) (.cse9 (<= (+ 42 ~a4~0) 0)) (.cse27 (<= (+ ~a0~0 150) 0)) (.cse17 (<= 4 ~a2~0)) (.cse30 (<= .cse34 0)) (.cse5 (+ ~a29~0 127)) (.cse24 (not .cse20)) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse19 (< 0 .cse34)) (.cse7 (= ~a2~0 1)) (.cse13 (<= (+ ~a0~0 61) 0))) (let ((.cse12 (<= 0 (+ ~a0~0 145))) (.cse3 (<= 38763 ~a29~0)) (.cse10 (<= (+ 98 ~a0~0) 0)) (.cse29 (< 0 .cse33)) (.cse28 (let ((.cse32 (<= ~a29~0 401234))) (or (and .cse19 .cse7 .cse32) (and .cse7 .cse32 .cse13)))) (.cse26 (<= (+ ~a29~0 9) 0)) (.cse16 (< 43 ~a29~0)) (.cse2 (or (and .cse24 .cse6) (and .cse6 (<= 0 (+ ~a0~0 60))))) (.cse18 (<= ~a2~0 4)) (.cse31 (< ~a29~0 43)) (.cse8 (<= .cse5 0)) (.cse0 (= 5 ~a2~0)) (.cse25 (not .cse30)) (.cse23 (or (and .cse1 .cse9 .cse24 .cse21 .cse17 .cse15 .cse13 .cse4) (and .cse9 .cse27 .cse17))) (.cse22 (<= 0 (+ ~a0~0 459337))) (.cse14 (<= ~a29~0 41))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 0 .cse5) .cse6 .cse7 (<= 0 (+ 44 ~a0~0)) .cse8) (and .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse14 .cse1 .cse2 .cse15 .cse4) (and .cse16 .cse2 .cse11) (and .cse6 .cse17 .cse8 .cse18) (and .cse19 .cse9 .cse20 .cse10 .cse15 .cse12) (and .cse9 .cse21 .cse11 .cse13) (and .cse9 .cse10 .cse7 .cse12) (and .cse14 .cse2 .cse15 .cse11) (and .cse22 .cse0 .cse23 .cse3) (and .cse22 (or (and (not (= |ULTIMATE.start_calculate_output_~input#1| 5)) .cse1 .cse9 .cse24 .cse25 .cse21 .cse26 .cse17 (<= (+ ~a29~0 17) 0) .cse13 .cse18 .cse4) (and .cse9 .cse27 .cse17 .cse8 .cse18))) (and .cse19 .cse9 .cse20 .cse21) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse13) (and .cse22 .cse16 .cse1 .cse9 .cse24 .cse10 .cse17 .cse13 .cse18 .cse4) (and .cse9 .cse21 .cse7 (not (<= ~a29~0 43))) (and .cse22 .cse0 .cse25 .cse23) (and .cse20 .cse2) (and .cse10 (or (and .cse0 .cse14 .cse1 .cse9 .cse24 .cse12 .cse13 .cse4) (and .cse0 .cse1 .cse9 .cse24 .cse12 .cse3 .cse13 .cse4))) (and .cse14 .cse9 .cse28 .cse15 .cse4) (and .cse29 .cse9 .cse10 .cse7 .cse8) (and .cse7 .cse30 (<= (+ ~a29~0 144) 0)) (and .cse29 .cse9 .cse26 .cse28 .cse4) (and .cse22 .cse0 (or (and .cse1 .cse9 .cse24 .cse21 .cse26 .cse17 .cse13 .cse4) (and .cse14 .cse23))) (and .cse19 .cse16 .cse23 .cse18) (and .cse2 .cse13) (and .cse1 .cse31 .cse2 .cse17 .cse18 .cse4) (and .cse20 .cse31 .cse6) (and .cse6 .cse11 .cse8) (and (<= 533309 ~a29~0) .cse0 .cse25 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)) .cse23) (and .cse22 .cse14 .cse9 .cse21 .cse7))))) [2022-07-13 13:05:30,150 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-13 13:05:30,150 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-13 13:05:30,151 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,151 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,151 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,151 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,151 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,151 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,151 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,152 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,152 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-13 13:05:30,152 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-13 13:05:30,152 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,152 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-13 13:05:30,152 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-13 13:05:30,152 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,152 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,153 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,153 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,153 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,153 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 13:05:30,153 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-13 13:05:30,153 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,153 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,154 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,155 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-13 13:05:30,156 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-13 13:05:30,159 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:30,161 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 13:05:30,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 01:05:30 BoogieIcfgContainer [2022-07-13 13:05:30,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 13:05:30,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 13:05:30,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 13:05:30,219 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 13:05:30,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:01:49" (3/4) ... [2022-07-13 13:05:30,222 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 13:05:30,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-13 13:05:30,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 13:05:30,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 13:05:30,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 13:05:30,391 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 13:05:30,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 13:05:30,392 INFO L158 Benchmark]: Toolchain (without parser) took 224547.26ms. Allocated memory was 92.3MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 54.4MB in the beginning and 951.0MB in the end (delta: -896.5MB). Peak memory consumption was 470.8MB. Max. memory is 16.1GB. [2022-07-13 13:05:30,394 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 13:05:30,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 901.61ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 54.1MB in the beginning and 65.5MB in the end (delta: -11.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-07-13 13:05:30,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.31ms. Allocated memory is still 121.6MB. Free memory was 65.5MB in the beginning and 58.8MB in the end (delta: 6.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-07-13 13:05:30,399 INFO L158 Benchmark]: Boogie Preprocessor took 254.40ms. Allocated memory is still 121.6MB. Free memory was 58.8MB in the beginning and 57.2MB in the end (delta: 1.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2022-07-13 13:05:30,401 INFO L158 Benchmark]: RCFGBuilder took 2615.82ms. Allocated memory was 121.6MB in the beginning and 270.5MB in the end (delta: 148.9MB). Free memory was 57.2MB in the beginning and 175.4MB in the end (delta: -118.3MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2022-07-13 13:05:30,401 INFO L158 Benchmark]: TraceAbstraction took 220382.19ms. Allocated memory was 270.5MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 174.4MB in the beginning and 976.1MB in the end (delta: -801.7MB). Peak memory consumption was 937.0MB. Max. memory is 16.1GB. [2022-07-13 13:05:30,401 INFO L158 Benchmark]: Witness Printer took 173.33ms. Allocated memory is still 1.5GB. Free memory was 976.1MB in the beginning and 951.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-13 13:05:30,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 901.61ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 54.1MB in the beginning and 65.5MB in the end (delta: -11.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.31ms. Allocated memory is still 121.6MB. Free memory was 65.5MB in the beginning and 58.8MB in the end (delta: 6.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 254.40ms. Allocated memory is still 121.6MB. Free memory was 58.8MB in the beginning and 57.2MB in the end (delta: 1.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2615.82ms. Allocated memory was 121.6MB in the beginning and 270.5MB in the end (delta: 148.9MB). Free memory was 57.2MB in the beginning and 175.4MB in the end (delta: -118.3MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * TraceAbstraction took 220382.19ms. Allocated memory was 270.5MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 174.4MB in the beginning and 976.1MB in the end (delta: -801.7MB). Peak memory consumption was 937.0MB. Max. memory is 16.1GB. * Witness Printer took 173.33ms. Allocated memory is still 1.5GB. Free memory was 976.1MB in the beginning and 951.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 220.3s, OverallIterations: 33, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 47.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 140.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14016 SdHoareTripleChecker+Valid, 43.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14016 mSDsluCounter, 11376 SdHoareTripleChecker+Invalid, 36.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1000 IncrementalHoareTripleChecker+Unchecked, 1499 mSDsCounter, 5527 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41131 IncrementalHoareTripleChecker+Invalid, 47658 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5527 mSolverCounterUnsat, 9877 mSDtfsCounter, 41131 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8467 GetRequests, 8354 SyntacticMatches, 3 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20222occurred in iteration=24, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 33 MinimizatonAttempts, 35829 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 249 NumberOfFragments, 3307 HoareAnnotationTreeSize, 4 FomulaSimplifications, 937874 FormulaSimplificationTreeSizeReduction, 126.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2195669 FormulaSimplificationTreeSizeReductionInter, 13.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 20.4s InterpolantComputationTime, 28650 NumberOfCodeBlocks, 28650 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 30683 ConstructedInterpolants, 109 QuantifiedInterpolants, 117261 SizeOfPredicates, 14 NumberOfNonLiveVariables, 7430 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 44 InterpolantComputations, 31 PerfectInterpolantSequences, 37874/40547 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0) || (((((0 < a4 + 86 && 533309 <= a29) && 5 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0) && !(input == 4))) || ((5 == a2 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 38763 <= a29)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && 0 <= a0 + 145) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 43 < a29) && (((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16))) && a2 <= 4)) || ((0 <= a0 + 459337 && 5 == a2) && ((a29 <= 41 && (((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16))) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a29 + 9 <= 0) && 4 <= a2) && 0 <= a29 + 192415)))) || ((43 < a29 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 < a29 + 16) && 0 <= a0 + 145)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && !(a29 <= 43)) && a0 + 61 <= 0)) || (((0 <= a0 + 459337 && 5 == a2) && (((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16))) && 38763 <= a29)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (0 <= a0 + 459337 && (((((((((!(input == 5) && 42 + a4 <= 0) && !(a4 + 86 <= 0)) && a0 + 147 <= 0) && a29 + 9 <= 0) && 4 <= a2) && a29 + 17 <= 0) && a2 <= 4) && 0 <= a29 + 192415) || ((((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2) && a29 + 127 <= 0) && a2 <= 4)))) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 < a29 + 16) && 3 == a2)) || (((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || (((((5 == a2 && 42 + a4 <= 0) && 0 <= a0 + 145) && 38763 <= a29) || ((((5 == a2 && a29 <= 41) && 42 + a4 <= 0) && 0 < a29 + 16) && 0 <= a0 + 145)) && 98 + a0 <= 0)) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (2 == a2 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)))) || (((a29 <= 41 && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < a29 + 16)) || (((((0 <= a0 + 459337 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 4 <= a2) && a2 <= 4)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 192415)) || (((((5 == a2 && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 + 9 <= 0) && 0 <= a0 + 145) && 0 <= a29 + 192415)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && 0 <= a0 + 145) && a0 + 61 <= 0)) || (((a29 < 43 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && a2 <= 4)) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a0 + 61 <= 0)) || ((2 == a2 && a29 < 43) && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || (((5 == a2 && a29 <= 41) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 < a29 + 16)) || (((((0 < a4 + 86 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((5 == a2 && !(3 == a2)) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 38763 <= a29) && 0 <= a29 + 192415) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && 0 <= a0 + 145) && a0 + 61 <= 0)) || (((((5 == a2 && a29 <= 41) && !(3 == a2)) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 < a29 + 16) && 0 <= a29 + 192415)) || ((43 < a29 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2)) || (((89 + a4 <= 0 && 4 <= a2) && a29 + 127 <= 0) && a2 <= 4)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 < a29 + 16) && 0 <= a0 + 145)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && 0 <= a0 + 145)) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 < a29 + 16) && 3 == a2)) || (((0 <= a0 + 459337 && 5 == a2) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2))) && 38763 <= a29)) || (0 <= a0 + 459337 && ((((((((((((!(input == 5) && !(3 == a2)) && 42 + a4 <= 0) && !(2 == a2)) && !(a4 + 86 <= 0)) && a0 + 147 <= 0) && a29 + 9 <= 0) && 4 <= a2) && a29 + 17 <= 0) && a0 + 61 <= 0) && a2 <= 4) && 0 <= a29 + 192415) || ((((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2) && a29 + 127 <= 0) && a2 <= 4)))) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((((((((0 <= a0 + 459337 && 43 < a29) && !(3 == a2)) && 42 + a4 <= 0) && !(2 == a2)) && 98 + a0 <= 0) && 4 <= a2) && a0 + 61 <= 0) && a2 <= 4) && 0 <= a29 + 192415)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && !(a29 <= 43))) || (((0 <= a0 + 459337 && 5 == a2) && !(a4 + 86 <= 0)) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2)))) || (2 == a2 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)))) || (98 + a0 <= 0 && ((((((((5 == a2 && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && !(2 == a2)) && 0 <= a0 + 145) && a0 + 61 <= 0) && 0 <= a29 + 192415) || (((((((5 == a2 && !(3 == a2)) && 42 + a4 <= 0) && !(2 == a2)) && 0 <= a0 + 145) && 38763 <= a29) && a0 + 61 <= 0) && 0 <= a29 + 192415)))) || ((((a29 <= 41 && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < a29 + 16) && 0 <= a29 + 192415)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 192415)) || ((0 <= a0 + 459337 && 5 == a2) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && a29 + 9 <= 0) && 4 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415) || (a29 <= 41 && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2)))))) || (((0 < a4 + 86 && 43 < a29) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2))) && a2 <= 4)) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a0 + 61 <= 0)) || (((((!(3 == a2) && a29 < 43) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && a2 <= 4) && 0 <= a29 + 192415)) || ((2 == a2 && a29 < 43) && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || ((((533309 <= a29 && 5 == a2) && !(a4 + 86 <= 0)) && !(input == 4)) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2)))) || ((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((5 == a2 && !(3 == a2)) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 38763 <= a29) && 0 <= a29 + 192415) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && 0 <= a0 + 145) && a0 + 61 <= 0)) || (((((5 == a2 && a29 <= 41) && !(3 == a2)) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 < a29 + 16) && 0 <= a29 + 192415)) || ((43 < a29 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 3 == a2)) || (((89 + a4 <= 0 && 4 <= a2) && a29 + 127 <= 0) && a2 <= 4)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 < a29 + 16) && 0 <= a0 + 145)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && 0 <= a0 + 145)) || (((a29 <= 41 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 0 < a29 + 16) && 3 == a2)) || (((0 <= a0 + 459337 && 5 == a2) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2))) && 38763 <= a29)) || (0 <= a0 + 459337 && ((((((((((((!(input == 5) && !(3 == a2)) && 42 + a4 <= 0) && !(2 == a2)) && !(a4 + 86 <= 0)) && a0 + 147 <= 0) && a29 + 9 <= 0) && 4 <= a2) && a29 + 17 <= 0) && a0 + 61 <= 0) && a2 <= 4) && 0 <= a29 + 192415) || ((((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2) && a29 + 127 <= 0) && a2 <= 4)))) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((((((((0 <= a0 + 459337 && 43 < a29) && !(3 == a2)) && 42 + a4 <= 0) && !(2 == a2)) && 98 + a0 <= 0) && 4 <= a2) && a0 + 61 <= 0) && a2 <= 4) && 0 <= a29 + 192415)) || (((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && !(a29 <= 43))) || (((0 <= a0 + 459337 && 5 == a2) && !(a4 + 86 <= 0)) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2)))) || (2 == a2 && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)))) || (98 + a0 <= 0 && ((((((((5 == a2 && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && !(2 == a2)) && 0 <= a0 + 145) && a0 + 61 <= 0) && 0 <= a29 + 192415) || (((((((5 == a2 && !(3 == a2)) && 42 + a4 <= 0) && !(2 == a2)) && 0 <= a0 + 145) && 38763 <= a29) && a0 + 61 <= 0) && 0 <= a29 + 192415)))) || ((((a29 <= 41 && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < a29 + 16) && 0 <= a29 + 192415)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 192415)) || ((0 <= a0 + 459337 && 5 == a2) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && a29 + 9 <= 0) && 4 <= a2) && a0 + 61 <= 0) && 0 <= a29 + 192415) || (a29 <= 41 && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2)))))) || (((0 < a4 + 86 && 43 < a29) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2))) && a2 <= 4)) || (((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60)) && a0 + 61 <= 0)) || (((((!(3 == a2) && a29 < 43) && ((!(2 == a2) && 89 + a4 <= 0) || (89 + a4 <= 0 && 0 <= a0 + 60))) && 4 <= a2) && a2 <= 4) && 0 <= a29 + 192415)) || ((2 == a2 && a29 < 43) && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || ((((533309 <= a29 && 5 == a2) && !(a4 + 86 <= 0)) && !(input == 4)) && ((((((((!(3 == a2) && 42 + a4 <= 0) && !(2 == a2)) && a0 + 147 <= 0) && 4 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0) && 0 <= a29 + 192415) || ((42 + a4 <= 0 && a0 + 150 <= 0) && 4 <= a2)))) || ((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) RESULT: Ultimate proved your program to be correct! [2022-07-13 13:05:30,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE