./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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/Problem11_label52.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 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 12:22:14,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:22:14,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:22:14,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:22:14,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:22:14,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:22:14,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:22:14,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:22:14,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:22:14,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:22:14,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:22:14,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:22:14,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:22:14,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:22:14,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:22:14,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:22:14,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:22:14,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:22:14,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:22:14,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:22:14,803 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:22:14,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:22:14,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:22:14,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:22:14,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:22:14,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 12:22:14,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 12:22:14,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 12:22:14,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 12:22:14,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 12:22:14,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 12:22:14,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 12:22:14,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 12:22:14,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 12:22:14,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 12:22:14,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 12:22:14,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 12:22:14,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 12:22:14,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 12:22:14,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:22:14,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:22:14,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:22:14,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 12:22:14,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:22:14,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:22:14,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:22:14,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:22:14,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 12:22:14,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 12:22:14,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:22:14,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:22:14,855 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:22:14,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:22:14,856 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:22:14,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:22:14,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:22:14,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:22:14,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 12:22:14,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 12:22:14,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 12:22:14,857 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:22:14,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:22:14,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:22:14,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 12:22:14,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:22:14,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:22:14,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 12:22:14,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 12:22:14,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:22:14,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 12:22:14,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 12:22:14,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:22:14,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 12:22:14,861 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 12:22:14,862 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 12:22:14,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 12:22:14,862 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 [2022-07-22 12:22:15,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:22:15,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:22:15,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:22:15,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:22:15,158 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:22:15,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2022-07-22 12:22:15,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54d5796e/a6f945bce7ba4873859493260e7d971e/FLAG1d7f04380 [2022-07-22 12:22:15,758 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:22:15,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2022-07-22 12:22:15,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54d5796e/a6f945bce7ba4873859493260e7d971e/FLAG1d7f04380 [2022-07-22 12:22:16,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54d5796e/a6f945bce7ba4873859493260e7d971e [2022-07-22 12:22:16,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:22:16,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 12:22:16,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:22:16,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:22:16,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:22:16,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e2a9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16, skipping insertion in model container [2022-07-22 12:22:16,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:22:16,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:22:16,309 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/Problem11_label52.c[7609,7622] [2022-07-22 12:22:16,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:22:16,571 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:22:16,594 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/Problem11_label52.c[7609,7622] [2022-07-22 12:22:16,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:22:16,708 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:22:16,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16 WrapperNode [2022-07-22 12:22:16,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:22:16,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:22:16,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:22:16,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:22:16,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,855 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-22 12:22:16,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:22:16,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:22:16,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:22:16,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:22:16,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:22:16,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:22:16,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:22:16,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:22:16,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (1/1) ... [2022-07-22 12:22:16,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 12:22:16,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:16,992 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) [2022-07-22 12:22:17,019 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 [2022-07-22 12:22:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:22:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:22:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:22:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:22:17,098 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:22:17,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:22:18,397 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:22:18,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:22:18,413 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 12:22:18,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:22:18 BoogieIcfgContainer [2022-07-22 12:22:18,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:22:18,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 12:22:18,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 12:22:18,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 12:22:18,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:22:16" (1/3) ... [2022-07-22 12:22:18,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da427d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:22:18, skipping insertion in model container [2022-07-22 12:22:18,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:22:16" (2/3) ... [2022-07-22 12:22:18,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da427d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:22:18, skipping insertion in model container [2022-07-22 12:22:18,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:22:18" (3/3) ... [2022-07-22 12:22:18,424 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label52.c [2022-07-22 12:22:18,436 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 12:22:18,436 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 12:22:18,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 12:22:18,516 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@11f10f7d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6ae41ed1 [2022-07-22 12:22:18,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 12:22:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2022-07-22 12:22:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 12:22:18,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:18,537 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] [2022-07-22 12:22:18,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:18,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:18,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2022-07-22 12:22:18,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:18,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81903725] [2022-07-22 12:22:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:18,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:18,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:18,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81903725] [2022-07-22 12:22:18,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81903725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:18,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:18,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:22:18,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493643789] [2022-07-22 12:22:18,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:18,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:18,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:18,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:18,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:18,896 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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) [2022-07-22 12:22:19,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:19,886 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-22 12:22:19,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:19,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 52 [2022-07-22 12:22:19,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:19,900 INFO L225 Difference]: With dead ends: 761 [2022-07-22 12:22:19,900 INFO L226 Difference]: Without dead ends: 413 [2022-07-22 12:22:19,903 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 [2022-07-22 12:22:19,906 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 176 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:19,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 12:22:19,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-22 12:22:19,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-22 12:22:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 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) [2022-07-22 12:22:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-22 12:22:19,954 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 52 [2022-07-22 12:22:19,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:19,955 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-22 12:22:19,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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) [2022-07-22 12:22:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-22 12:22:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 12:22:19,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:19,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:19,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 12:22:19,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:19,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:19,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1697477018, now seen corresponding path program 1 times [2022-07-22 12:22:19,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:19,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135584829] [2022-07-22 12:22:19,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:19,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:20,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:20,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135584829] [2022-07-22 12:22:20,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135584829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:20,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:20,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:22:20,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735262173] [2022-07-22 12:22:20,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:20,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:20,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:20,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:20,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:20,101 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2022-07-22 12:22:20,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:20,824 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-22 12:22:20,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:20,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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 120 [2022-07-22 12:22:20,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:20,830 INFO L225 Difference]: With dead ends: 1211 [2022-07-22 12:22:20,830 INFO L226 Difference]: Without dead ends: 800 [2022-07-22 12:22:20,831 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 [2022-07-22 12:22:20,832 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:20,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:22:20,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-22 12:22:20,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-22 12:22:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 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) [2022-07-22 12:22:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2022-07-22 12:22:20,876 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 120 [2022-07-22 12:22:20,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:20,877 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2022-07-22 12:22:20,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2022-07-22 12:22:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2022-07-22 12:22:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-22 12:22:20,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:20,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:20,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 12:22:20,882 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:20,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:20,883 INFO L85 PathProgramCache]: Analyzing trace with hash 690386357, now seen corresponding path program 1 times [2022-07-22 12:22:20,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:20,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836178495] [2022-07-22 12:22:20,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:20,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:21,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:21,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836178495] [2022-07-22 12:22:21,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836178495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:21,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:21,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:22:21,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236558359] [2022-07-22 12:22:21,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:21,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:21,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:21,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:21,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:21,015 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2022-07-22 12:22:21,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:21,676 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2022-07-22 12:22:21,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:21,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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 122 [2022-07-22 12:22:21,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:21,682 INFO L225 Difference]: With dead ends: 1945 [2022-07-22 12:22:21,682 INFO L226 Difference]: Without dead ends: 1158 [2022-07-22 12:22:21,684 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 [2022-07-22 12:22:21,685 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:21,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:22:21,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-22 12:22:21,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-22 12:22:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 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) [2022-07-22 12:22:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2022-07-22 12:22:21,709 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 122 [2022-07-22 12:22:21,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:21,709 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2022-07-22 12:22:21,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2022-07-22 12:22:21,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2022-07-22 12:22:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-22 12:22:21,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:21,713 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:21,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 12:22:21,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:21,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:21,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1804040649, now seen corresponding path program 1 times [2022-07-22 12:22:21,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:21,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056700115] [2022-07-22 12:22:21,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:21,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:21,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:21,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056700115] [2022-07-22 12:22:21,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056700115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:21,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:21,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:21,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847572711] [2022-07-22 12:22:21,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:21,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:21,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:21,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:21,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:21,820 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2022-07-22 12:22:22,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:22,509 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2022-07-22 12:22:22,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:22,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 179 [2022-07-22 12:22:22,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:22,516 INFO L225 Difference]: With dead ends: 2519 [2022-07-22 12:22:22,517 INFO L226 Difference]: Without dead ends: 1548 [2022-07-22 12:22:22,519 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 [2022-07-22 12:22:22,520 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 183 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:22,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:22:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-07-22 12:22:22,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-07-22 12:22:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 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) [2022-07-22 12:22:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2022-07-22 12:22:22,551 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 179 [2022-07-22 12:22:22,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:22,551 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2022-07-22 12:22:22,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2022-07-22 12:22:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2022-07-22 12:22:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-22 12:22:22,555 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:22,555 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, 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] [2022-07-22 12:22:22,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 12:22:22,556 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:22,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:22,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1655174799, now seen corresponding path program 1 times [2022-07-22 12:22:22,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:22,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445529517] [2022-07-22 12:22:22,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:22,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-22 12:22:22,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:22,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445529517] [2022-07-22 12:22:22,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445529517] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:22,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:22,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:22,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388478533] [2022-07-22 12:22:22,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:22,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:22,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:22,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:22,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:22,733 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-07-22 12:22:23,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:23,502 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2022-07-22 12:22:23,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:23,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 234 [2022-07-22 12:22:23,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:23,511 INFO L225 Difference]: With dead ends: 3650 [2022-07-22 12:22:23,512 INFO L226 Difference]: Without dead ends: 2291 [2022-07-22 12:22:23,514 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 [2022-07-22 12:22:23,518 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 145 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:23,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:22:23,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2022-07-22 12:22:23,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2022-07-22 12:22:23,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 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) [2022-07-22 12:22:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2022-07-22 12:22:23,564 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 234 [2022-07-22 12:22:23,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:23,566 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2022-07-22 12:22:23,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-07-22 12:22:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2022-07-22 12:22:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-07-22 12:22:23,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:23,573 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, 2, 2, 2, 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] [2022-07-22 12:22:23,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 12:22:23,574 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:23,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:23,575 INFO L85 PathProgramCache]: Analyzing trace with hash 203587778, now seen corresponding path program 1 times [2022-07-22 12:22:23,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:23,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12280194] [2022-07-22 12:22:23,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:23,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 95 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-22 12:22:23,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:23,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12280194] [2022-07-22 12:22:23,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12280194] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:22:23,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664392860] [2022-07-22 12:22:23,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:23,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:22:23,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:23,862 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) [2022-07-22 12:22:23,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 12:22:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:23,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:23,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-22 12:22:24,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:22:24,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664392860] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:24,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:22:24,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-07-22 12:22:24,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754481010] [2022-07-22 12:22:24,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:24,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:24,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:24,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:22:24,139 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-07-22 12:22:24,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:24,914 INFO L93 Difference]: Finished difference Result 5851 states and 7488 transitions. [2022-07-22 12:22:24,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:24,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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 240 [2022-07-22 12:22:24,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:24,927 INFO L225 Difference]: With dead ends: 5851 [2022-07-22 12:22:24,928 INFO L226 Difference]: Without dead ends: 3755 [2022-07-22 12:22:24,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:22:24,932 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 159 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:24,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 144 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:22:24,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2022-07-22 12:22:24,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3755. [2022-07-22 12:22:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3754 states have (on average 1.245338305807139) internal successors, (4675), 3754 states have internal predecessors, (4675), 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) [2022-07-22 12:22:25,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 4675 transitions. [2022-07-22 12:22:25,000 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 4675 transitions. Word has length 240 [2022-07-22 12:22:25,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:25,001 INFO L495 AbstractCegarLoop]: Abstraction has 3755 states and 4675 transitions. [2022-07-22 12:22:25,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 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) [2022-07-22 12:22:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4675 transitions. [2022-07-22 12:22:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-07-22 12:22:25,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:25,007 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:22:25,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:25,233 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,SelfDestructingSolverStorable5 [2022-07-22 12:22:25,233 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:25,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:25,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1866944109, now seen corresponding path program 1 times [2022-07-22 12:22:25,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:25,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919647571] [2022-07-22 12:22:25,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:25,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-22 12:22:25,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:25,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919647571] [2022-07-22 12:22:25,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919647571] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:25,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:25,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:25,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521629954] [2022-07-22 12:22:25,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:25,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:25,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:25,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:25,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:25,400 INFO L87 Difference]: Start difference. First operand 3755 states and 4675 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2022-07-22 12:22:26,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:26,202 INFO L93 Difference]: Finished difference Result 8622 states and 10849 transitions. [2022-07-22 12:22:26,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:26,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 271 [2022-07-22 12:22:26,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:26,220 INFO L225 Difference]: With dead ends: 8622 [2022-07-22 12:22:26,220 INFO L226 Difference]: Without dead ends: 4869 [2022-07-22 12:22:26,226 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 [2022-07-22 12:22:26,227 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 144 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:26,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:22:26,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4869 states. [2022-07-22 12:22:26,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4869 to 4860. [2022-07-22 12:22:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4860 states, 4859 states have (on average 1.2251492076558963) internal successors, (5953), 4859 states have internal predecessors, (5953), 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) [2022-07-22 12:22:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 4860 states and 5953 transitions. [2022-07-22 12:22:26,313 INFO L78 Accepts]: Start accepts. Automaton has 4860 states and 5953 transitions. Word has length 271 [2022-07-22 12:22:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:26,313 INFO L495 AbstractCegarLoop]: Abstraction has 4860 states and 5953 transitions. [2022-07-22 12:22:26,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2022-07-22 12:22:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 4860 states and 5953 transitions. [2022-07-22 12:22:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-22 12:22:26,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:26,322 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:26,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 12:22:26,323 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:26,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:26,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1398635958, now seen corresponding path program 1 times [2022-07-22 12:22:26,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:26,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515759383] [2022-07-22 12:22:26,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:26,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-07-22 12:22:26,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:26,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515759383] [2022-07-22 12:22:26,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515759383] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:26,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:26,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:26,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41558049] [2022-07-22 12:22:26,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:26,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:26,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:26,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:26,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:26,471 INFO L87 Difference]: Start difference. First operand 4860 states and 5953 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2022-07-22 12:22:27,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:27,226 INFO L93 Difference]: Finished difference Result 11005 states and 13678 transitions. [2022-07-22 12:22:27,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:27,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 317 [2022-07-22 12:22:27,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:27,248 INFO L225 Difference]: With dead ends: 11005 [2022-07-22 12:22:27,249 INFO L226 Difference]: Without dead ends: 6147 [2022-07-22 12:22:27,256 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 [2022-07-22 12:22:27,257 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 172 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:27,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 151 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:22:27,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2022-07-22 12:22:27,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 4853. [2022-07-22 12:22:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4853 states, 4852 states have (on average 1.224855729596043) internal successors, (5943), 4852 states have internal predecessors, (5943), 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) [2022-07-22 12:22:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 4853 states and 5943 transitions. [2022-07-22 12:22:27,395 INFO L78 Accepts]: Start accepts. Automaton has 4853 states and 5943 transitions. Word has length 317 [2022-07-22 12:22:27,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:27,395 INFO L495 AbstractCegarLoop]: Abstraction has 4853 states and 5943 transitions. [2022-07-22 12:22:27,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2022-07-22 12:22:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 5943 transitions. [2022-07-22 12:22:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-07-22 12:22:27,404 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:27,405 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:22:27,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 12:22:27,405 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:27,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:27,406 INFO L85 PathProgramCache]: Analyzing trace with hash -2108175850, now seen corresponding path program 1 times [2022-07-22 12:22:27,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:27,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220322531] [2022-07-22 12:22:27,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:27,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:27,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:27,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220322531] [2022-07-22 12:22:27,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220322531] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:22:27,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233000521] [2022-07-22 12:22:27,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:27,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:22:27,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:27,636 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) [2022-07-22 12:22:27,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 12:22:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:27,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 12:22:27,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:29,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:22:30,741 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:30,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233000521] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:22:30,742 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:22:30,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-07-22 12:22:30,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788907464] [2022-07-22 12:22:30,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:22:30,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 12:22:30,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:30,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 12:22:30,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:22:30,745 INFO L87 Difference]: Start difference. First operand 4853 states and 5943 transitions. Second operand has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 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) [2022-07-22 12:22:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:33,069 INFO L93 Difference]: Finished difference Result 13854 states and 16891 transitions. [2022-07-22 12:22:33,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 12:22:33,070 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 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 336 [2022-07-22 12:22:33,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:33,098 INFO L225 Difference]: With dead ends: 13854 [2022-07-22 12:22:33,098 INFO L226 Difference]: Without dead ends: 9003 [2022-07-22 12:22:33,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 667 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-07-22 12:22:33,106 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1079 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 549 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:33,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 153 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [549 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-22 12:22:33,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9003 states. [2022-07-22 12:22:33,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9003 to 5035. [2022-07-22 12:22:33,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5035 states, 5034 states have (on average 1.22248708780294) internal successors, (6154), 5034 states have internal predecessors, (6154), 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) [2022-07-22 12:22:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6154 transitions. [2022-07-22 12:22:33,206 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6154 transitions. Word has length 336 [2022-07-22 12:22:33,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:33,206 INFO L495 AbstractCegarLoop]: Abstraction has 5035 states and 6154 transitions. [2022-07-22 12:22:33,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 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) [2022-07-22 12:22:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6154 transitions. [2022-07-22 12:22:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-22 12:22:33,233 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:33,233 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:22:33,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:33,447 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,SelfDestructingSolverStorable8 [2022-07-22 12:22:33,448 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:33,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:33,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1398734134, now seen corresponding path program 1 times [2022-07-22 12:22:33,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:33,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848317448] [2022-07-22 12:22:33,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:33,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:33,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:33,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848317448] [2022-07-22 12:22:33,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848317448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:33,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:33,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:22:33,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898039564] [2022-07-22 12:22:33,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:33,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:22:33,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:33,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:22:33,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:22:33,656 INFO L87 Difference]: Start difference. First operand 5035 states and 6154 transitions. Second operand has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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) [2022-07-22 12:22:34,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:34,660 INFO L93 Difference]: Finished difference Result 13948 states and 17066 transitions. [2022-07-22 12:22:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:22:34,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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 357 [2022-07-22 12:22:34,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:34,676 INFO L225 Difference]: With dead ends: 13948 [2022-07-22 12:22:34,677 INFO L226 Difference]: Without dead ends: 8915 [2022-07-22 12:22:34,685 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 [2022-07-22 12:22:34,686 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 237 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:34,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 65 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 12:22:34,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8915 states. [2022-07-22 12:22:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8915 to 7441. [2022-07-22 12:22:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 7440 states have (on average 1.1923387096774194) internal successors, (8871), 7440 states have internal predecessors, (8871), 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) [2022-07-22 12:22:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 8871 transitions. [2022-07-22 12:22:34,834 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 8871 transitions. Word has length 357 [2022-07-22 12:22:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:34,835 INFO L495 AbstractCegarLoop]: Abstraction has 7441 states and 8871 transitions. [2022-07-22 12:22:34,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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) [2022-07-22 12:22:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 8871 transitions. [2022-07-22 12:22:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-07-22 12:22:34,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:34,854 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:34,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 12:22:34,855 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:34,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:34,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1218780311, now seen corresponding path program 1 times [2022-07-22 12:22:34,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:34,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347765356] [2022-07-22 12:22:34,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:34,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-22 12:22:35,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:35,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347765356] [2022-07-22 12:22:35,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347765356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:35,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:35,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:22:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083586389] [2022-07-22 12:22:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:35,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:22:35,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:35,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:22:35,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:22:35,103 INFO L87 Difference]: Start difference. First operand 7441 states and 8871 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 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) [2022-07-22 12:22:36,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:36,251 INFO L93 Difference]: Finished difference Result 16170 states and 19194 transitions. [2022-07-22 12:22:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:22:36,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 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 431 [2022-07-22 12:22:36,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:36,266 INFO L225 Difference]: With dead ends: 16170 [2022-07-22 12:22:36,266 INFO L226 Difference]: Without dead ends: 8731 [2022-07-22 12:22:36,273 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 [2022-07-22 12:22:36,274 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 239 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:36,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 64 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 12:22:36,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2022-07-22 12:22:36,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 7441. [2022-07-22 12:22:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 7440 states have (on average 1.1923387096774194) internal successors, (8871), 7440 states have internal predecessors, (8871), 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) [2022-07-22 12:22:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 8871 transitions. [2022-07-22 12:22:36,376 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 8871 transitions. Word has length 431 [2022-07-22 12:22:36,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:36,377 INFO L495 AbstractCegarLoop]: Abstraction has 7441 states and 8871 transitions. [2022-07-22 12:22:36,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 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) [2022-07-22 12:22:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 8871 transitions. [2022-07-22 12:22:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-07-22 12:22:36,388 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:36,389 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:36,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 12:22:36,389 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:36,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:36,390 INFO L85 PathProgramCache]: Analyzing trace with hash -287893398, now seen corresponding path program 1 times [2022-07-22 12:22:36,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:36,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430556156] [2022-07-22 12:22:36,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:36,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-22 12:22:36,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:36,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430556156] [2022-07-22 12:22:36,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430556156] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:36,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:36,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:36,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484127824] [2022-07-22 12:22:36,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:36,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:36,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:36,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:36,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:36,539 INFO L87 Difference]: Start difference. First operand 7441 states and 8871 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2022-07-22 12:22:37,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:37,189 INFO L93 Difference]: Finished difference Result 15080 states and 17958 transitions. [2022-07-22 12:22:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:37,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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 431 [2022-07-22 12:22:37,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:37,203 INFO L225 Difference]: With dead ends: 15080 [2022-07-22 12:22:37,203 INFO L226 Difference]: Without dead ends: 7641 [2022-07-22 12:22:37,210 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 [2022-07-22 12:22:37,210 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 107 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:37,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 329 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:22:37,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7641 states. [2022-07-22 12:22:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7641 to 7257. [2022-07-22 12:22:37,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7257 states, 7256 states have (on average 1.160005512679162) internal successors, (8417), 7256 states have internal predecessors, (8417), 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) [2022-07-22 12:22:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 8417 transitions. [2022-07-22 12:22:37,306 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 8417 transitions. Word has length 431 [2022-07-22 12:22:37,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:37,307 INFO L495 AbstractCegarLoop]: Abstraction has 7257 states and 8417 transitions. [2022-07-22 12:22:37,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2022-07-22 12:22:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 8417 transitions. [2022-07-22 12:22:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-07-22 12:22:37,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:37,318 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 12:22:37,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 12:22:37,318 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:37,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:37,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2057046030, now seen corresponding path program 1 times [2022-07-22 12:22:37,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:37,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580507636] [2022-07-22 12:22:37,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:37,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-07-22 12:22:37,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:37,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580507636] [2022-07-22 12:22:37,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580507636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:37,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:37,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:22:37,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617750371] [2022-07-22 12:22:37,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:37,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:37,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:37,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:37,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:37,508 INFO L87 Difference]: Start difference. First operand 7257 states and 8417 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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) [2022-07-22 12:22:37,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:37,920 INFO L93 Difference]: Finished difference Result 14132 states and 16360 transitions. [2022-07-22 12:22:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:37,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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 488 [2022-07-22 12:22:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:37,932 INFO L225 Difference]: With dead ends: 14132 [2022-07-22 12:22:37,933 INFO L226 Difference]: Without dead ends: 6877 [2022-07-22 12:22:37,938 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 [2022-07-22 12:22:37,940 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 179 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:37,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 37 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 12:22:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2022-07-22 12:22:38,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6875. [2022-07-22 12:22:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6875 states, 6874 states have (on average 1.1544951993017165) internal successors, (7936), 6874 states have internal predecessors, (7936), 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) [2022-07-22 12:22:38,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6875 states to 6875 states and 7936 transitions. [2022-07-22 12:22:38,043 INFO L78 Accepts]: Start accepts. Automaton has 6875 states and 7936 transitions. Word has length 488 [2022-07-22 12:22:38,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:38,044 INFO L495 AbstractCegarLoop]: Abstraction has 6875 states and 7936 transitions. [2022-07-22 12:22:38,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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) [2022-07-22 12:22:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 6875 states and 7936 transitions. [2022-07-22 12:22:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-07-22 12:22:38,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:38,057 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:38,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 12:22:38,057 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:38,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:38,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1680894984, now seen corresponding path program 1 times [2022-07-22 12:22:38,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:38,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916006079] [2022-07-22 12:22:38,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:38,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-22 12:22:38,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:38,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916006079] [2022-07-22 12:22:38,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916006079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:38,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:38,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:38,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186655848] [2022-07-22 12:22:38,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:38,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:38,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:38,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:38,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:38,255 INFO L87 Difference]: Start difference. First operand 6875 states and 7936 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2022-07-22 12:22:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:38,765 INFO L93 Difference]: Finished difference Result 12621 states and 14535 transitions. [2022-07-22 12:22:38,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:38,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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 504 [2022-07-22 12:22:38,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:38,774 INFO L225 Difference]: With dead ends: 12621 [2022-07-22 12:22:38,775 INFO L226 Difference]: Without dead ends: 5748 [2022-07-22 12:22:38,780 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 [2022-07-22 12:22:38,781 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 80 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:38,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 123 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 12:22:38,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5748 states. [2022-07-22 12:22:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5748 to 4828. [2022-07-22 12:22:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4828 states, 4827 states have (on average 1.1247151439817693) internal successors, (5429), 4827 states have internal predecessors, (5429), 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) [2022-07-22 12:22:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4828 states to 4828 states and 5429 transitions. [2022-07-22 12:22:38,867 INFO L78 Accepts]: Start accepts. Automaton has 4828 states and 5429 transitions. Word has length 504 [2022-07-22 12:22:38,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:38,868 INFO L495 AbstractCegarLoop]: Abstraction has 4828 states and 5429 transitions. [2022-07-22 12:22:38,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2022-07-22 12:22:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 4828 states and 5429 transitions. [2022-07-22 12:22:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2022-07-22 12:22:38,878 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:38,879 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, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 12:22:38,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 12:22:38,879 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:38,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:38,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1417577515, now seen corresponding path program 1 times [2022-07-22 12:22:38,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:38,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854247535] [2022-07-22 12:22:38,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:38,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 872 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-07-22 12:22:39,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:39,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854247535] [2022-07-22 12:22:39,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854247535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:39,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:39,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:39,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649975670] [2022-07-22 12:22:39,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:39,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:22:39,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:39,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:22:39,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:22:39,113 INFO L87 Difference]: Start difference. First operand 4828 states and 5429 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 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) [2022-07-22 12:22:40,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:40,069 INFO L93 Difference]: Finished difference Result 14635 states and 16469 transitions. [2022-07-22 12:22:40,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:22:40,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 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 682 [2022-07-22 12:22:40,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:40,085 INFO L225 Difference]: With dead ends: 14635 [2022-07-22 12:22:40,086 INFO L226 Difference]: Without dead ends: 9809 [2022-07-22 12:22:40,092 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 [2022-07-22 12:22:40,093 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 198 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:40,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 60 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 12:22:40,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9809 states. [2022-07-22 12:22:40,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9809 to 9620. [2022-07-22 12:22:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9620 states, 9619 states have (on average 1.1143570017673354) internal successors, (10719), 9619 states have internal predecessors, (10719), 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) [2022-07-22 12:22:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 9620 states and 10719 transitions. [2022-07-22 12:22:40,234 INFO L78 Accepts]: Start accepts. Automaton has 9620 states and 10719 transitions. Word has length 682 [2022-07-22 12:22:40,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:40,235 INFO L495 AbstractCegarLoop]: Abstraction has 9620 states and 10719 transitions. [2022-07-22 12:22:40,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 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) [2022-07-22 12:22:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 9620 states and 10719 transitions. [2022-07-22 12:22:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2022-07-22 12:22:40,252 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:40,253 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:40,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 12:22:40,253 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:40,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1921349717, now seen corresponding path program 1 times [2022-07-22 12:22:40,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:40,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311903309] [2022-07-22 12:22:40,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:40,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:40,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 1023 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-07-22 12:22:40,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:40,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311903309] [2022-07-22 12:22:40,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311903309] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:40,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:40,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:40,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982812775] [2022-07-22 12:22:40,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:40,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:40,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:40,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:40,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:40,489 INFO L87 Difference]: Start difference. First operand 9620 states and 10719 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2022-07-22 12:22:41,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:41,196 INFO L93 Difference]: Finished difference Result 20341 states and 22719 transitions. [2022-07-22 12:22:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:41,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 760 [2022-07-22 12:22:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:41,209 INFO L225 Difference]: With dead ends: 20341 [2022-07-22 12:22:41,210 INFO L226 Difference]: Without dead ends: 10170 [2022-07-22 12:22:41,216 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 [2022-07-22 12:22:41,216 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 194 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:41,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 340 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:22:41,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10170 states. [2022-07-22 12:22:41,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10170 to 10170. [2022-07-22 12:22:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10170 states, 10169 states have (on average 1.0946995771462287) internal successors, (11132), 10169 states have internal predecessors, (11132), 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) [2022-07-22 12:22:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10170 states to 10170 states and 11132 transitions. [2022-07-22 12:22:41,336 INFO L78 Accepts]: Start accepts. Automaton has 10170 states and 11132 transitions. Word has length 760 [2022-07-22 12:22:41,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:41,337 INFO L495 AbstractCegarLoop]: Abstraction has 10170 states and 11132 transitions. [2022-07-22 12:22:41,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2022-07-22 12:22:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 10170 states and 11132 transitions. [2022-07-22 12:22:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2022-07-22 12:22:41,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:22:41,363 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 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] [2022-07-22 12:22:41,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 12:22:41,363 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:22:41,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:41,364 INFO L85 PathProgramCache]: Analyzing trace with hash -43670685, now seen corresponding path program 1 times [2022-07-22 12:22:41,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:41,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082302680] [2022-07-22 12:22:41,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:41,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1501 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-07-22 12:22:41,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:41,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082302680] [2022-07-22 12:22:41,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082302680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:41,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:41,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:41,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539834316] [2022-07-22 12:22:41,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:41,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:22:41,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:41,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:41,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:41,716 INFO L87 Difference]: Start difference. First operand 10170 states and 11132 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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) [2022-07-22 12:22:42,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:42,359 INFO L93 Difference]: Finished difference Result 20887 states and 22855 transitions. [2022-07-22 12:22:42,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:42,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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 850 [2022-07-22 12:22:42,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:22:42,360 INFO L225 Difference]: With dead ends: 20887 [2022-07-22 12:22:42,360 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 12:22:42,369 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 [2022-07-22 12:22:42,370 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 53 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:22:42,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 320 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:22:42,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 12:22:42,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 12:22:42,371 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) [2022-07-22 12:22:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 12:22:42,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 850 [2022-07-22 12:22:42,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:22:42,372 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:22:42,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 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) [2022-07-22 12:22:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 12:22:42,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 12:22:42,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 12:22:42,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 12:22:42,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 12:22:46,833 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,834 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-22 12:22:46,835 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-22 12:22:46,836 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-22 12:22:46,836 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,836 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-22 12:22:46,836 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-22 12:22:46,836 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,836 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,836 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,837 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,838 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse14 (+ ~a23~0 43))) (let ((.cse1 (<= ~a29~0 599999)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a29~0 245)) (.cse7 (= ~a25~0 12)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599998)) (.cse9 (= ~a25~0 13)) (.cse8 (= ~a4~0 0)) (.cse11 (<= (+ ~a29~0 22) 0)) (.cse13 (< 0 .cse14)) (.cse12 (<= ~a23~0 138)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse6 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse3 (or (and .cse9 (not (<= ~a23~0 306))) (and .cse9 .cse2)) .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse8 .cse5 .cse6 (<= ~a23~0 312) .cse4) (and .cse8 .cse11 .cse0 .cse4) (and (<= (+ ~a29~0 21) 0) .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse11 .cse3 .cse4) (and .cse8 .cse0 .cse10 .cse12 .cse4) (and .cse7 .cse6 .cse2 (< 306 ~a23~0) .cse3 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277))) (and .cse13 .cse0 .cse2 .cse12 .cse3 .cse4) (and (<= .cse14 0) .cse8 .cse0 .cse6 .cse4) (and .cse9 .cse8 .cse11 .cse13 .cse12 .cse4)))) [2022-07-22 12:22:46,838 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,838 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-22 12:22:46,838 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-22 12:22:46,838 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,838 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,839 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,839 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,839 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,839 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,839 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-22 12:22:46,839 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-22 12:22:46,839 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-22 12:22:46,839 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-22 12:22:46,839 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,840 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,840 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,840 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,840 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,840 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,840 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,840 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-22 12:22:46,841 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-22 12:22:46,841 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-22 12:22:46,841 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,841 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,841 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,841 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,841 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,841 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,842 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,842 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,842 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,842 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-22 12:22:46,842 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-22 12:22:46,842 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-22 12:22:46,842 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,843 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse14 (+ ~a23~0 43))) (let ((.cse1 (<= ~a29~0 599999)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a29~0 245)) (.cse7 (= ~a25~0 12)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599998)) (.cse9 (= ~a25~0 13)) (.cse8 (= ~a4~0 0)) (.cse11 (<= (+ ~a29~0 22) 0)) (.cse13 (< 0 .cse14)) (.cse12 (<= ~a23~0 138)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse6 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse3 (or (and .cse9 (not (<= ~a23~0 306))) (and .cse9 .cse2)) .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse8 .cse5 .cse6 (<= ~a23~0 312) .cse4) (and .cse8 .cse11 .cse0 .cse4) (and (<= (+ ~a29~0 21) 0) .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse11 .cse3 .cse4) (and .cse8 .cse0 .cse10 .cse12 .cse4) (and .cse7 .cse6 .cse2 (< 306 ~a23~0) .cse3 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277))) (and .cse13 .cse0 .cse2 .cse12 .cse3 .cse4) (and (<= .cse14 0) .cse8 .cse0 .cse6 .cse4) (and .cse9 .cse8 .cse11 .cse13 .cse12 .cse4)))) [2022-07-22 12:22:46,843 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,843 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,843 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,843 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,843 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,843 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,844 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,844 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,844 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-22 12:22:46,844 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-22 12:22:46,844 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-22 12:22:46,844 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-22 12:22:46,844 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-22 12:22:46,845 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-22 12:22:46,845 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-22 12:22:46,845 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,845 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,845 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,845 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,845 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,845 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,846 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,846 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,846 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,846 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 12:22:46,846 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-22 12:22:46,846 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-22 12:22:46,846 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-22 12:22:46,847 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-22 12:22:46,847 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,847 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,847 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,847 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,847 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,847 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-22 12:22:46,847 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-22 12:22:46,848 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-22 12:22:46,848 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,848 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,848 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,848 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,848 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-22 12:22:46,848 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-22 12:22:46,849 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,849 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,849 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,849 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,849 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,849 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,849 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-22 12:22:46,849 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-22 12:22:46,850 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,850 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,850 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-22 12:22:46,850 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-22 12:22:46,850 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-22 12:22:46,850 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 12:22:46,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2022-07-22 12:22:46,851 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,851 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,851 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,851 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,851 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,851 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,851 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,851 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-22 12:22:46,852 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-22 12:22:46,852 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-22 12:22:46,852 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-22 12:22:46,852 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-22 12:22:46,852 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-22 12:22:46,852 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-22 12:22:46,852 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,853 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,853 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-22 12:22:46,853 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-22 12:22:46,853 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,853 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,853 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,853 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,853 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,854 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-22 12:22:46,854 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-22 12:22:46,854 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-22 12:22:46,854 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,854 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,854 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,854 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,854 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,855 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,855 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-22 12:22:46,855 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-22 12:22:46,855 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-22 12:22:46,855 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,855 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,855 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,856 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,856 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,856 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,856 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,856 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,856 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-22 12:22:46,856 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-22 12:22:46,856 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-22 12:22:46,857 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,857 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,857 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,857 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,857 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,857 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,857 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,857 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,858 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,858 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,858 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,858 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-22 12:22:46,858 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-22 12:22:46,858 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-22 12:22:46,858 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-22 12:22:46,858 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-22 12:22:46,859 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,859 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,859 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,859 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,859 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,859 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,859 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,859 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-22 12:22:46,860 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-22 12:22:46,860 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-22 12:22:46,860 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,860 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,860 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,860 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-22 12:22:46,860 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-22 12:22:46,861 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,861 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,861 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,861 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,861 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,861 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-22 12:22:46,861 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-22 12:22:46,861 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,862 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,862 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-22 12:22:46,862 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-22 12:22:46,862 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 12:22:46,862 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,862 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,862 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,863 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,863 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,863 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-22 12:22:46,863 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-22 12:22:46,863 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-22 12:22:46,863 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-22 12:22:46,863 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,864 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,864 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,864 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,864 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,864 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,864 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,864 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,864 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-22 12:22:46,865 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-22 12:22:46,865 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-22 12:22:46,865 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-22 12:22:46,865 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-22 12:22:46,865 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-22 12:22:46,865 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,865 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,865 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,866 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,866 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,866 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,866 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,866 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-22 12:22:46,866 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-22 12:22:46,866 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 12:22:46,867 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,867 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,867 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,867 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,867 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,867 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,867 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-22 12:22:46,867 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-22 12:22:46,868 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,868 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,868 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,868 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,868 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,868 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,868 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,868 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-22 12:22:46,869 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:22:46,869 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,869 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,869 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-22 12:22:46,869 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-22 12:22:46,869 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-22 12:22:46,869 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-22 12:22:46,872 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:46,874 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 12:22:46,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 12:22:46 BoogieIcfgContainer [2022-07-22 12:22:46,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 12:22:46,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 12:22:46,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 12:22:46,896 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 12:22:46,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:22:18" (3/4) ... [2022-07-22 12:22:46,899 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 12:22:46,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 12:22:46,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 12:22:46,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 12:22:46,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 12:22:47,014 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 12:22:47,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 12:22:47,015 INFO L158 Benchmark]: Toolchain (without parser) took 30964.62ms. Allocated memory was 98.6MB in the beginning and 536.9MB in the end (delta: 438.3MB). Free memory was 58.1MB in the beginning and 323.8MB in the end (delta: -265.7MB). Peak memory consumption was 171.3MB. Max. memory is 16.1GB. [2022-07-22 12:22:47,015 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 78.1MB in the beginning and 78.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 12:22:47,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.32ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 57.9MB in the beginning and 89.7MB in the end (delta: -31.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-07-22 12:22:47,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.40ms. Allocated memory is still 119.5MB. Free memory was 89.7MB in the beginning and 72.4MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 12:22:47,016 INFO L158 Benchmark]: Boogie Preprocessor took 100.60ms. Allocated memory is still 119.5MB. Free memory was 72.4MB in the beginning and 63.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 12:22:47,017 INFO L158 Benchmark]: RCFGBuilder took 1458.86ms. Allocated memory is still 119.5MB. Free memory was 63.4MB in the beginning and 49.0MB in the end (delta: 14.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-07-22 12:22:47,017 INFO L158 Benchmark]: TraceAbstraction took 28477.55ms. Allocated memory was 119.5MB in the beginning and 536.9MB in the end (delta: 417.3MB). Free memory was 48.3MB in the beginning and 338.5MB in the end (delta: -290.2MB). Peak memory consumption was 347.9MB. Max. memory is 16.1GB. [2022-07-22 12:22:47,017 INFO L158 Benchmark]: Witness Printer took 118.51ms. Allocated memory is still 536.9MB. Free memory was 338.5MB in the beginning and 323.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 12:22:47,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory was 78.1MB in the beginning and 78.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.32ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 57.9MB in the beginning and 89.7MB in the end (delta: -31.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.40ms. Allocated memory is still 119.5MB. Free memory was 89.7MB in the beginning and 72.4MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.60ms. Allocated memory is still 119.5MB. Free memory was 72.4MB in the beginning and 63.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1458.86ms. Allocated memory is still 119.5MB. Free memory was 63.4MB in the beginning and 49.0MB in the end (delta: 14.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 28477.55ms. Allocated memory was 119.5MB in the beginning and 536.9MB in the end (delta: 417.3MB). Free memory was 48.3MB in the beginning and 338.5MB in the end (delta: -290.2MB). Peak memory consumption was 347.9MB. Max. memory is 16.1GB. * Witness Printer took 118.51ms. Allocated memory is still 536.9MB. Free memory was 338.5MB in the beginning and 323.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 172]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.4s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3606 SdHoareTripleChecker+Valid, 13.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3606 mSDsluCounter, 3423 SdHoareTripleChecker+Invalid, 10.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 2282 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12126 IncrementalHoareTripleChecker+Invalid, 14408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2282 mSolverCounterUnsat, 3020 mSDtfsCounter, 12126 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 969 GetRequests, 931 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10170occurred in iteration=16, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 9738 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 135 NumberOfFragments, 561 HoareAnnotationTreeSize, 3 FomulaSimplifications, 10172 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 25754 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 6950 NumberOfCodeBlocks, 6950 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 7266 ConstructedInterpolants, 0 QuantifiedInterpolants, 25715 SizeOfPredicates, 8 NumberOfNonLiveVariables, 817 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 9112/9275 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a4 == 0) && a29 <= 599998) && a8 == 15)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a29 <= 599998 && a4 == 1) && ((a25 == 13 && !(a23 <= 306)) || (a25 == 13 && a3 == 1))) && a8 == 15)) || (((a25 <= 10 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) && a8 == 15)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15)) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a29 + 22 <= 0) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 <= 10) && a29 <= 245) && a23 <= 138) && a8 == 15)) || ((((((a25 == 12 && a29 <= 599998) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || (((((0 < a23 + 43 && a25 <= 10) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a8 == 15)) || (((((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a4 == 0) && a29 <= 599998) && a8 == 15)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a29 <= 599998 && a4 == 1) && ((a25 == 13 && !(a23 <= 306)) || (a25 == 13 && a3 == 1))) && a8 == 15)) || (((a25 <= 10 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) && a8 == 15)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15)) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a29 + 22 <= 0) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 <= 10) && a29 <= 245) && a23 <= 138) && a8 == 15)) || ((((((a25 == 12 && a29 <= 599998) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || (((((0 < a23 + 43 && a25 <= 10) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a8 == 15)) || (((((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:22:47,039 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