./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_label26.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 f464de24b3032dee99022ecd3bac09be4532608b487d4a13c374cca55e302076 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:24:02,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:24:02,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:24:02,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:24:02,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:24:02,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:24:02,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:24:02,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:24:02,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:24:02,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:24:02,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:24:02,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:24:02,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:24:02,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:24:02,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:24:02,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:24:02,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:24:02,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:24:02,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:24:02,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:24:02,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:24:02,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:24:02,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:24:02,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:24:02,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:24:02,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:24:02,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:24:02,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:24:02,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:24:02,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:24:02,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:24:02,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:24:02,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:24:02,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:24:02,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:24:02,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:24:02,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:24:02,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:24:02,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:24:02,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:24:02,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:24:02,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:24:02,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:24:02,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:24:02,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:24:02,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:24:02,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:24:02,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:24:02,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:24:02,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:24:02,984 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:24:02,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:24:02,985 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:24:02,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:24:02,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:24:02,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:24:02,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:24:02,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:24:02,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:24:02,986 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:24:02,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:24:02,986 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:24:02,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:24:02,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:24:02,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:24:02,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:24:02,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:24:02,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:24:02,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:24:02,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:24:02,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:24:02,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:24:02,989 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:24:02,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:24:02,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:24:02,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:24:02,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f464de24b3032dee99022ecd3bac09be4532608b487d4a13c374cca55e302076 [2021-12-17 04:24:03,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:24:03,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:24:03,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:24:03,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:24:03,223 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:24:03,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label26.c [2021-12-17 04:24:03,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2426358f/5a85c93f5aad440f9b1aef1946a1fab4/FLAGa2528de29 [2021-12-17 04:24:03,722 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:24:03,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label26.c [2021-12-17 04:24:03,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2426358f/5a85c93f5aad440f9b1aef1946a1fab4/FLAGa2528de29 [2021-12-17 04:24:04,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2426358f/5a85c93f5aad440f9b1aef1946a1fab4 [2021-12-17 04:24:04,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:24:04,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:24:04,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:24:04,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:24:04,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:24:04,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a69ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04, skipping insertion in model container [2021-12-17 04:24:04,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:24:04,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:24:04,448 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_label26.c[5699,5712] [2021-12-17 04:24:04,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:24:04,669 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:24:04,691 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_label26.c[5699,5712] [2021-12-17 04:24:04,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:24:04,771 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:24:04,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04 WrapperNode [2021-12-17 04:24:04,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:24:04,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:24:04,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:24:04,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:24:04,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,880 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-17 04:24:04,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:24:04,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:24:04,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:24:04,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:24:04,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:24:04,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:24:04,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:24:04,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:24:04,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (1/1) ... [2021-12-17 04:24:04,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:24:04,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:04,999 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) [2021-12-17 04:24:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:24:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:24:05,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:24:05,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:24:05,017 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 [2021-12-17 04:24:05,092 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:24:05,094 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:24:06,088 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:24:06,100 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:24:06,100 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:24:06,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:24:06 BoogieIcfgContainer [2021-12-17 04:24:06,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:24:06,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:24:06,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:24:06,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:24:06,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:24:04" (1/3) ... [2021-12-17 04:24:06,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc1d739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:24:06, skipping insertion in model container [2021-12-17 04:24:06,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:24:04" (2/3) ... [2021-12-17 04:24:06,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc1d739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:24:06, skipping insertion in model container [2021-12-17 04:24:06,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:24:06" (3/3) ... [2021-12-17 04:24:06,111 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label26.c [2021-12-17 04:24:06,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:24:06,115 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:24:06,164 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:24:06,170 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 04:24:06,170 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:24:06,196 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) [2021-12-17 04:24:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-17 04:24:06,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:06,207 INFO L514 BasicCegarLoop]: 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] [2021-12-17 04:24:06,208 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:06,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:06,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2021-12-17 04:24:06,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:06,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018276974] [2021-12-17 04:24:06,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:06,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:06,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:06,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018276974] [2021-12-17 04:24:06,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018276974] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:06,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:06,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:24:06,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087529299] [2021-12-17 04:24:06,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:06,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:06,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:06,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:06,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:06,450 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 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-12-17 04:24:07,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:07,256 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-17 04:24:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:07,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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 39 [2021-12-17 04:24:07,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:07,266 INFO L225 Difference]: With dead ends: 761 [2021-12-17 04:24:07,267 INFO L226 Difference]: Without dead ends: 413 [2021-12-17 04:24:07,270 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:07,272 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 189 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 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, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:07,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:07,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-17 04:24:07,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-17 04:24:07,349 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) [2021-12-17 04:24:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-17 04:24:07,352 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 39 [2021-12-17 04:24:07,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:07,352 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-17 04:24:07,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-12-17 04:24:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-17 04:24:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-17 04:24:07,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:07,361 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:07,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:24:07,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:07,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:07,362 INFO L85 PathProgramCache]: Analyzing trace with hash 142001080, now seen corresponding path program 1 times [2021-12-17 04:24:07,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:07,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426542605] [2021-12-17 04:24:07,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:07,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:07,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:07,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426542605] [2021-12-17 04:24:07,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426542605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:07,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:07,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:24:07,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208738714] [2021-12-17 04:24:07,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:07,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:07,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:07,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:07,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:07,524 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) [2021-12-17 04:24:08,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:08,173 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-17 04:24:08,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:08,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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 107 [2021-12-17 04:24:08,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:08,179 INFO L225 Difference]: With dead ends: 1211 [2021-12-17 04:24:08,179 INFO L226 Difference]: Without dead ends: 800 [2021-12-17 04:24:08,181 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:08,182 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:08,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:08,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-17 04:24:08,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-17 04:24:08,217 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) [2021-12-17 04:24:08,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-17 04:24:08,219 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 107 [2021-12-17 04:24:08,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:08,219 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-17 04:24:08,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) [2021-12-17 04:24:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-17 04:24:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-17 04:24:08,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:08,221 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:08,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:24:08,222 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:08,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:08,222 INFO L85 PathProgramCache]: Analyzing trace with hash 412464125, now seen corresponding path program 1 times [2021-12-17 04:24:08,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:08,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075969415] [2021-12-17 04:24:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:08,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:08,318 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:08,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:08,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075969415] [2021-12-17 04:24:08,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075969415] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:08,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:08,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:08,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955863568] [2021-12-17 04:24:08,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:08,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:08,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:08,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:08,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:08,321 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-12-17 04:24:09,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:09,297 INFO L93 Difference]: Finished difference Result 2505 states and 3425 transitions. [2021-12-17 04:24:09,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:09,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2021-12-17 04:24:09,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:09,302 INFO L225 Difference]: With dead ends: 2505 [2021-12-17 04:24:09,302 INFO L226 Difference]: Without dead ends: 1718 [2021-12-17 04:24:09,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:24:09,304 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 483 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:09,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 218 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:24:09,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2021-12-17 04:24:09,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1714. [2021-12-17 04:24:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.2259194395796849) internal successors, (2100), 1713 states have internal predecessors, (2100), 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) [2021-12-17 04:24:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2100 transitions. [2021-12-17 04:24:09,335 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2100 transitions. Word has length 109 [2021-12-17 04:24:09,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:09,336 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2100 transitions. [2021-12-17 04:24:09,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-12-17 04:24:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2100 transitions. [2021-12-17 04:24:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-17 04:24:09,338 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:09,338 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:09,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:24:09,339 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:09,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:09,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1825758429, now seen corresponding path program 1 times [2021-12-17 04:24:09,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:09,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424292058] [2021-12-17 04:24:09,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:09,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:09,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:09,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424292058] [2021-12-17 04:24:09,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424292058] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:09,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:09,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:09,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774350552] [2021-12-17 04:24:09,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:09,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:09,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:09,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:09,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:09,457 INFO L87 Difference]: Start difference. First operand 1714 states and 2100 transitions. Second operand has 4 states, 4 states have (on average 41.5) 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) [2021-12-17 04:24:10,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:10,719 INFO L93 Difference]: Finished difference Result 5296 states and 6683 transitions. [2021-12-17 04:24:10,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:10,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) 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 166 [2021-12-17 04:24:10,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:10,729 INFO L225 Difference]: With dead ends: 5296 [2021-12-17 04:24:10,730 INFO L226 Difference]: Without dead ends: 3768 [2021-12-17 04:24:10,732 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:10,733 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 356 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:10,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 86 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:24:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2021-12-17 04:24:10,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3767. [2021-12-17 04:24:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 3766 states have (on average 1.228624535315985) internal successors, (4627), 3766 states have internal predecessors, (4627), 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) [2021-12-17 04:24:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 4627 transitions. [2021-12-17 04:24:10,782 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 4627 transitions. Word has length 166 [2021-12-17 04:24:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:10,783 INFO L470 AbstractCegarLoop]: Abstraction has 3767 states and 4627 transitions. [2021-12-17 04:24:10,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) 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) [2021-12-17 04:24:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 4627 transitions. [2021-12-17 04:24:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-17 04:24:10,786 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:10,786 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:24:10,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:24:10,786 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:10,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:10,787 INFO L85 PathProgramCache]: Analyzing trace with hash -890036000, now seen corresponding path program 1 times [2021-12-17 04:24:10,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:10,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422171410] [2021-12-17 04:24:10,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:10,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-17 04:24:10,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:10,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422171410] [2021-12-17 04:24:10,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422171410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:10,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:10,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:10,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122941928] [2021-12-17 04:24:10,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:10,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:10,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:10,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:10,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:10,989 INFO L87 Difference]: Start difference. First operand 3767 states and 4627 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2021-12-17 04:24:11,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:11,631 INFO L93 Difference]: Finished difference Result 8820 states and 11160 transitions. [2021-12-17 04:24:11,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:11,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 221 [2021-12-17 04:24:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:11,646 INFO L225 Difference]: With dead ends: 8820 [2021-12-17 04:24:11,646 INFO L226 Difference]: Without dead ends: 5424 [2021-12-17 04:24:11,650 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:11,651 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 168 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:11,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 345 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:11,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5424 states. [2021-12-17 04:24:11,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5424 to 5424. [2021-12-17 04:24:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5424 states, 5423 states have (on average 1.2161165406601513) internal successors, (6595), 5423 states have internal predecessors, (6595), 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) [2021-12-17 04:24:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5424 states to 5424 states and 6595 transitions. [2021-12-17 04:24:11,718 INFO L78 Accepts]: Start accepts. Automaton has 5424 states and 6595 transitions. Word has length 221 [2021-12-17 04:24:11,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:11,719 INFO L470 AbstractCegarLoop]: Abstraction has 5424 states and 6595 transitions. [2021-12-17 04:24:11,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2021-12-17 04:24:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5424 states and 6595 transitions. [2021-12-17 04:24:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-17 04:24:11,722 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:11,722 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:24:11,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:24:11,723 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:11,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:11,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1786639215, now seen corresponding path program 1 times [2021-12-17 04:24:11,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:11,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039415109] [2021-12-17 04:24:11,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:11,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-17 04:24:11,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:11,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039415109] [2021-12-17 04:24:11,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039415109] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:11,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:11,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:11,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421588534] [2021-12-17 04:24:11,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:11,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:11,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:11,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:11,865 INFO L87 Difference]: Start difference. First operand 5424 states and 6595 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2021-12-17 04:24:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:12,654 INFO L93 Difference]: Finished difference Result 12511 states and 15428 transitions. [2021-12-17 04:24:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:12,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 227 [2021-12-17 04:24:12,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:12,670 INFO L225 Difference]: With dead ends: 12511 [2021-12-17 04:24:12,671 INFO L226 Difference]: Without dead ends: 7273 [2021-12-17 04:24:12,676 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:12,677 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 157 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:12,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 384 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:24:12,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7273 states. [2021-12-17 04:24:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7273 to 7264. [2021-12-17 04:24:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7264 states, 7263 states have (on average 1.1999173895084676) internal successors, (8715), 7263 states have internal predecessors, (8715), 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) [2021-12-17 04:24:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7264 states to 7264 states and 8715 transitions. [2021-12-17 04:24:12,880 INFO L78 Accepts]: Start accepts. Automaton has 7264 states and 8715 transitions. Word has length 227 [2021-12-17 04:24:12,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:12,881 INFO L470 AbstractCegarLoop]: Abstraction has 7264 states and 8715 transitions. [2021-12-17 04:24:12,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2021-12-17 04:24:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7264 states and 8715 transitions. [2021-12-17 04:24:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-17 04:24:12,886 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:12,887 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:24:12,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:24:12,887 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:12,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:12,888 INFO L85 PathProgramCache]: Analyzing trace with hash 970713079, now seen corresponding path program 1 times [2021-12-17 04:24:12,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:12,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378599205] [2021-12-17 04:24:12,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:12,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-12-17 04:24:12,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:12,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378599205] [2021-12-17 04:24:12,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378599205] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:12,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:12,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:12,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509179638] [2021-12-17 04:24:12,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:12,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:12,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:12,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:12,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:12,993 INFO L87 Difference]: Start difference. First operand 7264 states and 8715 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2021-12-17 04:24:13,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:13,601 INFO L93 Difference]: Finished difference Result 15828 states and 19273 transitions. [2021-12-17 04:24:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:13,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 285 [2021-12-17 04:24:13,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:13,624 INFO L225 Difference]: With dead ends: 15828 [2021-12-17 04:24:13,624 INFO L226 Difference]: Without dead ends: 8935 [2021-12-17 04:24:13,630 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:13,633 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 166 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:13,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:13,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8935 states. [2021-12-17 04:24:13,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8935 to 8921. [2021-12-17 04:24:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8921 states, 8920 states have (on average 1.1836322869955156) internal successors, (10558), 8920 states have internal predecessors, (10558), 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) [2021-12-17 04:24:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8921 states to 8921 states and 10558 transitions. [2021-12-17 04:24:13,764 INFO L78 Accepts]: Start accepts. Automaton has 8921 states and 10558 transitions. Word has length 285 [2021-12-17 04:24:13,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:13,764 INFO L470 AbstractCegarLoop]: Abstraction has 8921 states and 10558 transitions. [2021-12-17 04:24:13,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2021-12-17 04:24:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 8921 states and 10558 transitions. [2021-12-17 04:24:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-17 04:24:13,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:13,770 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:13,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 04:24:13,770 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:13,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:13,771 INFO L85 PathProgramCache]: Analyzing trace with hash 719890930, now seen corresponding path program 1 times [2021-12-17 04:24:13,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:13,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582412412] [2021-12-17 04:24:13,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:13,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-17 04:24:13,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:13,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582412412] [2021-12-17 04:24:13,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582412412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:13,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:13,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:13,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726175153] [2021-12-17 04:24:13,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:13,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:13,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:13,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:13,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:13,887 INFO L87 Difference]: Start difference. First operand 8921 states and 10558 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2021-12-17 04:24:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:14,484 INFO L93 Difference]: Finished difference Result 20043 states and 23936 transitions. [2021-12-17 04:24:14,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:14,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 301 [2021-12-17 04:24:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:14,515 INFO L225 Difference]: With dead ends: 20043 [2021-12-17 04:24:14,515 INFO L226 Difference]: Without dead ends: 11493 [2021-12-17 04:24:14,525 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:14,525 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 160 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:14,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 152 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:14,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11493 states. [2021-12-17 04:24:14,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11493 to 11305. [2021-12-17 04:24:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11305 states, 11304 states have (on average 1.1472929936305734) internal successors, (12969), 11304 states have internal predecessors, (12969), 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) [2021-12-17 04:24:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11305 states to 11305 states and 12969 transitions. [2021-12-17 04:24:14,652 INFO L78 Accepts]: Start accepts. Automaton has 11305 states and 12969 transitions. Word has length 301 [2021-12-17 04:24:14,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:14,652 INFO L470 AbstractCegarLoop]: Abstraction has 11305 states and 12969 transitions. [2021-12-17 04:24:14,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2021-12-17 04:24:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 11305 states and 12969 transitions. [2021-12-17 04:24:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2021-12-17 04:24:14,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:14,682 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:14,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 04:24:14,683 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:14,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:14,684 INFO L85 PathProgramCache]: Analyzing trace with hash 142462327, now seen corresponding path program 1 times [2021-12-17 04:24:14,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:14,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660199374] [2021-12-17 04:24:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:14,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-17 04:24:14,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:14,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660199374] [2021-12-17 04:24:14,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660199374] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:14,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:14,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:24:14,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237352194] [2021-12-17 04:24:14,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:14,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:14,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:14,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:14,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:14,803 INFO L87 Difference]: Start difference. First operand 11305 states and 12969 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 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) [2021-12-17 04:24:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:15,130 INFO L93 Difference]: Finished difference Result 21126 states and 24309 transitions. [2021-12-17 04:24:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:15,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 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 379 [2021-12-17 04:24:15,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:15,148 INFO L225 Difference]: With dead ends: 21126 [2021-12-17 04:24:15,149 INFO L226 Difference]: Without dead ends: 11299 [2021-12-17 04:24:15,158 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:15,160 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 218 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:15,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 41 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 04:24:15,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11299 states. [2021-12-17 04:24:15,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11299 to 11297. [2021-12-17 04:24:15,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11297 states, 11296 states have (on average 1.1467776203966005) internal successors, (12954), 11296 states have internal predecessors, (12954), 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) [2021-12-17 04:24:15,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11297 states to 11297 states and 12954 transitions. [2021-12-17 04:24:15,330 INFO L78 Accepts]: Start accepts. Automaton has 11297 states and 12954 transitions. Word has length 379 [2021-12-17 04:24:15,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:15,331 INFO L470 AbstractCegarLoop]: Abstraction has 11297 states and 12954 transitions. [2021-12-17 04:24:15,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 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) [2021-12-17 04:24:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 11297 states and 12954 transitions. [2021-12-17 04:24:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-12-17 04:24:15,348 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:15,348 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-17 04:24:15,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 04:24:15,349 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:15,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:15,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1525449458, now seen corresponding path program 1 times [2021-12-17 04:24:15,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:15,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110772159] [2021-12-17 04:24:15,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:15,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2021-12-17 04:24:15,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:15,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110772159] [2021-12-17 04:24:15,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110772159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:15,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:15,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:15,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796076329] [2021-12-17 04:24:15,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:15,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:15,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:15,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:15,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:15,471 INFO L87 Difference]: Start difference. First operand 11297 states and 12954 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2021-12-17 04:24:16,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:16,153 INFO L93 Difference]: Finished difference Result 22594 states and 26064 transitions. [2021-12-17 04:24:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:16,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 429 [2021-12-17 04:24:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:16,189 INFO L225 Difference]: With dead ends: 22594 [2021-12-17 04:24:16,189 INFO L226 Difference]: Without dead ends: 12775 [2021-12-17 04:24:16,196 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:16,211 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 117 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:16,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 358 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:16,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12775 states. [2021-12-17 04:24:16,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12775 to 12218. [2021-12-17 04:24:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12218 states, 12217 states have (on average 1.1413603994433985) internal successors, (13944), 12217 states have internal predecessors, (13944), 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) [2021-12-17 04:24:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12218 states to 12218 states and 13944 transitions. [2021-12-17 04:24:16,447 INFO L78 Accepts]: Start accepts. Automaton has 12218 states and 13944 transitions. Word has length 429 [2021-12-17 04:24:16,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:16,448 INFO L470 AbstractCegarLoop]: Abstraction has 12218 states and 13944 transitions. [2021-12-17 04:24:16,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2021-12-17 04:24:16,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12218 states and 13944 transitions. [2021-12-17 04:24:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-12-17 04:24:16,471 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:16,471 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:16,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 04:24:16,472 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:16,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:16,472 INFO L85 PathProgramCache]: Analyzing trace with hash 400630374, now seen corresponding path program 1 times [2021-12-17 04:24:16,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:16,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186949167] [2021-12-17 04:24:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:16,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-12-17 04:24:16,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:16,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186949167] [2021-12-17 04:24:16,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186949167] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:16,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:16,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:16,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743162792] [2021-12-17 04:24:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:16,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:16,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:16,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:16,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:16,608 INFO L87 Difference]: Start difference. First operand 12218 states and 13944 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2021-12-17 04:24:17,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:17,223 INFO L93 Difference]: Finished difference Result 26085 states and 30023 transitions. [2021-12-17 04:24:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:17,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 440 [2021-12-17 04:24:17,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:17,244 INFO L225 Difference]: With dead ends: 26085 [2021-12-17 04:24:17,245 INFO L226 Difference]: Without dead ends: 15161 [2021-12-17 04:24:17,255 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:17,256 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 161 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:17,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 353 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:17,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15161 states. [2021-12-17 04:24:17,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15161 to 13317. [2021-12-17 04:24:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13317 states, 13316 states have (on average 1.1395313908080504) internal successors, (15174), 13316 states have internal predecessors, (15174), 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) [2021-12-17 04:24:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13317 states to 13317 states and 15174 transitions. [2021-12-17 04:24:17,432 INFO L78 Accepts]: Start accepts. Automaton has 13317 states and 15174 transitions. Word has length 440 [2021-12-17 04:24:17,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:17,433 INFO L470 AbstractCegarLoop]: Abstraction has 13317 states and 15174 transitions. [2021-12-17 04:24:17,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2021-12-17 04:24:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 13317 states and 15174 transitions. [2021-12-17 04:24:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-12-17 04:24:17,448 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:17,449 INFO L514 BasicCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:17,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 04:24:17,449 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:17,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:17,450 INFO L85 PathProgramCache]: Analyzing trace with hash -935874160, now seen corresponding path program 1 times [2021-12-17 04:24:17,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:17,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915779867] [2021-12-17 04:24:17,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:17,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2021-12-17 04:24:17,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:17,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915779867] [2021-12-17 04:24:17,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915779867] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:17,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:17,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:17,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076274694] [2021-12-17 04:24:17,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:17,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:17,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:17,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:17,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:17,563 INFO L87 Difference]: Start difference. First operand 13317 states and 15174 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2021-12-17 04:24:18,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:18,231 INFO L93 Difference]: Finished difference Result 27921 states and 31900 transitions. [2021-12-17 04:24:18,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:18,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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 450 [2021-12-17 04:24:18,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:18,253 INFO L225 Difference]: With dead ends: 27921 [2021-12-17 04:24:18,254 INFO L226 Difference]: Without dead ends: 14974 [2021-12-17 04:24:18,265 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:18,266 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 166 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:18,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 150 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:18,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14974 states. [2021-12-17 04:24:18,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14974 to 13125. [2021-12-17 04:24:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13125 states, 13124 states have (on average 1.1250380981408108) internal successors, (14765), 13124 states have internal predecessors, (14765), 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) [2021-12-17 04:24:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13125 states to 13125 states and 14765 transitions. [2021-12-17 04:24:18,439 INFO L78 Accepts]: Start accepts. Automaton has 13125 states and 14765 transitions. Word has length 450 [2021-12-17 04:24:18,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:18,440 INFO L470 AbstractCegarLoop]: Abstraction has 13125 states and 14765 transitions. [2021-12-17 04:24:18,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2021-12-17 04:24:18,440 INFO L276 IsEmpty]: Start isEmpty. Operand 13125 states and 14765 transitions. [2021-12-17 04:24:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-12-17 04:24:18,457 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:18,457 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-17 04:24:18,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 04:24:18,458 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:18,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:18,458 INFO L85 PathProgramCache]: Analyzing trace with hash -2033522650, now seen corresponding path program 1 times [2021-12-17 04:24:18,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:18,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907993241] [2021-12-17 04:24:18,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:18,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:18,575 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2021-12-17 04:24:18,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:18,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907993241] [2021-12-17 04:24:18,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907993241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:18,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:18,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:18,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431053253] [2021-12-17 04:24:18,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:18,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:18,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:18,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:18,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:18,578 INFO L87 Difference]: Start difference. First operand 13125 states and 14765 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2021-12-17 04:24:19,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:19,206 INFO L93 Difference]: Finished difference Result 27920 states and 31464 transitions. [2021-12-17 04:24:19,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:19,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 499 [2021-12-17 04:24:19,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:19,231 INFO L225 Difference]: With dead ends: 27920 [2021-12-17 04:24:19,231 INFO L226 Difference]: Without dead ends: 15165 [2021-12-17 04:24:19,241 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:19,242 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 134 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:19,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 135 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:19,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15165 states. [2021-12-17 04:24:19,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15165 to 14979. [2021-12-17 04:24:19,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14979 states, 14978 states have (on average 1.1215115502737347) internal successors, (16798), 14978 states have internal predecessors, (16798), 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) [2021-12-17 04:24:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14979 states to 14979 states and 16798 transitions. [2021-12-17 04:24:19,403 INFO L78 Accepts]: Start accepts. Automaton has 14979 states and 16798 transitions. Word has length 499 [2021-12-17 04:24:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:19,403 INFO L470 AbstractCegarLoop]: Abstraction has 14979 states and 16798 transitions. [2021-12-17 04:24:19,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2021-12-17 04:24:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 14979 states and 16798 transitions. [2021-12-17 04:24:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-12-17 04:24:19,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:19,431 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-17 04:24:19,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-17 04:24:19,432 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:19,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:19,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1343348106, now seen corresponding path program 1 times [2021-12-17 04:24:19,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:19,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006521068] [2021-12-17 04:24:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:19,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-12-17 04:24:19,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:19,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006521068] [2021-12-17 04:24:19,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006521068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:19,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:19,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:19,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006847581] [2021-12-17 04:24:19,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:19,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:19,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:19,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:19,542 INFO L87 Difference]: Start difference. First operand 14979 states and 16798 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) [2021-12-17 04:24:20,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:20,224 INFO L93 Difference]: Finished difference Result 33639 states and 37777 transitions. [2021-12-17 04:24:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:20,225 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 503 [2021-12-17 04:24:20,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:20,247 INFO L225 Difference]: With dead ends: 33639 [2021-12-17 04:24:20,247 INFO L226 Difference]: Without dead ends: 19030 [2021-12-17 04:24:20,257 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:20,258 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 124 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:20,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 88 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:20,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19030 states. [2021-12-17 04:24:20,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19030 to 18279. [2021-12-17 04:24:20,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18279 states, 18278 states have (on average 1.1153846153846154) internal successors, (20387), 18278 states have internal predecessors, (20387), 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) [2021-12-17 04:24:20,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18279 states to 18279 states and 20387 transitions. [2021-12-17 04:24:20,449 INFO L78 Accepts]: Start accepts. Automaton has 18279 states and 20387 transitions. Word has length 503 [2021-12-17 04:24:20,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:20,449 INFO L470 AbstractCegarLoop]: Abstraction has 18279 states and 20387 transitions. [2021-12-17 04:24:20,449 INFO L471 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) [2021-12-17 04:24:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 18279 states and 20387 transitions. [2021-12-17 04:24:20,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-12-17 04:24:20,465 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:20,465 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:20,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 04:24:20,465 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:20,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:20,466 INFO L85 PathProgramCache]: Analyzing trace with hash 101919231, now seen corresponding path program 1 times [2021-12-17 04:24:20,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:20,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359916522] [2021-12-17 04:24:20,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:20,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 228 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-17 04:24:20,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:20,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359916522] [2021-12-17 04:24:20,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359916522] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:24:20,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044027773] [2021-12-17 04:24:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:20,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:20,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:20,718 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) [2021-12-17 04:24:20,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 04:24:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:20,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:24:20,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:24:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-12-17 04:24:21,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:24:21,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044027773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:21,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:24:21,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-17 04:24:21,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413082534] [2021-12-17 04:24:21,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:21,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:21,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:21,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:21,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:24:21,794 INFO L87 Difference]: Start difference. First operand 18279 states and 20387 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2021-12-17 04:24:22,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:22,688 INFO L93 Difference]: Finished difference Result 20857 states and 23246 transitions. [2021-12-17 04:24:22,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:22,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 509 [2021-12-17 04:24:22,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:22,730 INFO L225 Difference]: With dead ends: 20857 [2021-12-17 04:24:22,730 INFO L226 Difference]: Without dead ends: 20855 [2021-12-17 04:24:22,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:24:22,750 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 182 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:22,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 144 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:24:22,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20855 states. [2021-12-17 04:24:22,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20855 to 18279. [2021-12-17 04:24:22,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18279 states, 18278 states have (on average 1.115329904803589) internal successors, (20386), 18278 states have internal predecessors, (20386), 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) [2021-12-17 04:24:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18279 states to 18279 states and 20386 transitions. [2021-12-17 04:24:23,019 INFO L78 Accepts]: Start accepts. Automaton has 18279 states and 20386 transitions. Word has length 509 [2021-12-17 04:24:23,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:23,019 INFO L470 AbstractCegarLoop]: Abstraction has 18279 states and 20386 transitions. [2021-12-17 04:24:23,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2021-12-17 04:24:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 18279 states and 20386 transitions. [2021-12-17 04:24:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2021-12-17 04:24:23,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:23,041 INFO L514 BasicCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:23,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 04:24:23,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-17 04:24:23,259 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:23,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:23,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1498902212, now seen corresponding path program 1 times [2021-12-17 04:24:23,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:23,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626243318] [2021-12-17 04:24:23,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:23,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 1056 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-12-17 04:24:23,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:23,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626243318] [2021-12-17 04:24:23,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626243318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:23,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:23,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:24:23,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086709579] [2021-12-17 04:24:23,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:23,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:23,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:23,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:23,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:23,449 INFO L87 Difference]: Start difference. First operand 18279 states and 20386 transitions. Second operand has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 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) [2021-12-17 04:24:24,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:24,665 INFO L93 Difference]: Finished difference Result 40988 states and 45929 transitions. [2021-12-17 04:24:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:24,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 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 637 [2021-12-17 04:24:24,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:24,694 INFO L225 Difference]: With dead ends: 40988 [2021-12-17 04:24:24,694 INFO L226 Difference]: Without dead ends: 24923 [2021-12-17 04:24:24,708 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:24,709 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 200 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:24,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 77 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:24:24,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24923 states. [2021-12-17 04:24:25,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24923 to 20497. [2021-12-17 04:24:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20497 states, 20496 states have (on average 1.1238290398126465) internal successors, (23034), 20496 states have internal predecessors, (23034), 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) [2021-12-17 04:24:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20497 states to 20497 states and 23034 transitions. [2021-12-17 04:24:25,050 INFO L78 Accepts]: Start accepts. Automaton has 20497 states and 23034 transitions. Word has length 637 [2021-12-17 04:24:25,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:25,051 INFO L470 AbstractCegarLoop]: Abstraction has 20497 states and 23034 transitions. [2021-12-17 04:24:25,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 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) [2021-12-17 04:24:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 20497 states and 23034 transitions. [2021-12-17 04:24:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2021-12-17 04:24:25,071 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:25,071 INFO L514 BasicCegarLoop]: 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:25,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 04:24:25,072 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:25,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:25,072 INFO L85 PathProgramCache]: Analyzing trace with hash -58290927, now seen corresponding path program 1 times [2021-12-17 04:24:25,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:25,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404598384] [2021-12-17 04:24:25,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:25,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 1039 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-12-17 04:24:25,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:25,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404598384] [2021-12-17 04:24:25,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404598384] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:25,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:25,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:25,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663432829] [2021-12-17 04:24:25,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:25,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:25,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:25,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:25,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:25,234 INFO L87 Difference]: Start difference. First operand 20497 states and 23034 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2021-12-17 04:24:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:25,897 INFO L93 Difference]: Finished difference Result 40080 states and 45040 transitions. [2021-12-17 04:24:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:25,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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 708 [2021-12-17 04:24:25,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:25,919 INFO L225 Difference]: With dead ends: 40080 [2021-12-17 04:24:25,919 INFO L226 Difference]: Without dead ends: 19953 [2021-12-17 04:24:25,931 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:25,932 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 49 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:25,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 369 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:25,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19953 states. [2021-12-17 04:24:26,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19953 to 19759. [2021-12-17 04:24:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19759 states, 19758 states have (on average 1.1031480919121368) internal successors, (21796), 19758 states have internal predecessors, (21796), 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) [2021-12-17 04:24:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19759 states to 19759 states and 21796 transitions. [2021-12-17 04:24:26,248 INFO L78 Accepts]: Start accepts. Automaton has 19759 states and 21796 transitions. Word has length 708 [2021-12-17 04:24:26,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:26,249 INFO L470 AbstractCegarLoop]: Abstraction has 19759 states and 21796 transitions. [2021-12-17 04:24:26,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2021-12-17 04:24:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 19759 states and 21796 transitions. [2021-12-17 04:24:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 976 [2021-12-17 04:24:26,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:26,275 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 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] [2021-12-17 04:24:26,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-17 04:24:26,275 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:26,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:26,276 INFO L85 PathProgramCache]: Analyzing trace with hash -978362704, now seen corresponding path program 1 times [2021-12-17 04:24:26,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:26,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802487170] [2021-12-17 04:24:26,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:26,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3151 backedges. 2094 proven. 0 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2021-12-17 04:24:26,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:26,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802487170] [2021-12-17 04:24:26,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802487170] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:26,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:26,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:26,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410751092] [2021-12-17 04:24:26,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:26,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:26,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:26,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:26,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:26,492 INFO L87 Difference]: Start difference. First operand 19759 states and 21796 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2021-12-17 04:24:27,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:27,127 INFO L93 Difference]: Finished difference Result 41004 states and 45250 transitions. [2021-12-17 04:24:27,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:27,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 975 [2021-12-17 04:24:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:27,150 INFO L225 Difference]: With dead ends: 41004 [2021-12-17 04:24:27,151 INFO L226 Difference]: Without dead ends: 23091 [2021-12-17 04:24:27,162 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:27,165 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 103 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:27,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 170 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23091 states. [2021-12-17 04:24:27,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23091 to 22703. [2021-12-17 04:24:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22703 states, 22702 states have (on average 1.0959386838164038) internal successors, (24880), 22702 states have internal predecessors, (24880), 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) [2021-12-17 04:24:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22703 states to 22703 states and 24880 transitions. [2021-12-17 04:24:27,542 INFO L78 Accepts]: Start accepts. Automaton has 22703 states and 24880 transitions. Word has length 975 [2021-12-17 04:24:27,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:27,543 INFO L470 AbstractCegarLoop]: Abstraction has 22703 states and 24880 transitions. [2021-12-17 04:24:27,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2021-12-17 04:24:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 22703 states and 24880 transitions. [2021-12-17 04:24:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 977 [2021-12-17 04:24:27,567 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:27,568 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 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] [2021-12-17 04:24:27,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 04:24:27,569 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:27,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:27,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1731776799, now seen corresponding path program 1 times [2021-12-17 04:24:27,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:27,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479924195] [2021-12-17 04:24:27,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:27,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3149 backedges. 1889 proven. 106 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2021-12-17 04:24:27,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:27,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479924195] [2021-12-17 04:24:27,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479924195] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:24:27,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879106696] [2021-12-17 04:24:27,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:27,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:27,870 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) [2021-12-17 04:24:27,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 04:24:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:28,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 04:24:28,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:24:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3149 backedges. 1909 proven. 434 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2021-12-17 04:24:29,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:24:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3149 backedges. 2343 proven. 0 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2021-12-17 04:24:31,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879106696] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:24:31,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:24:31,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 12 [2021-12-17 04:24:31,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408693059] [2021-12-17 04:24:31,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:31,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:24:31,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:31,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:24:31,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-12-17 04:24:31,414 INFO L87 Difference]: Start difference. First operand 22703 states and 24880 transitions. Second operand has 5 states, 5 states have (on average 110.8) internal successors, (554), 4 states have internal predecessors, (554), 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) [2021-12-17 04:24:32,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:32,572 INFO L93 Difference]: Finished difference Result 54800 states and 59958 transitions. [2021-12-17 04:24:32,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:32,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 110.8) internal successors, (554), 4 states have internal predecessors, (554), 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 976 [2021-12-17 04:24:32,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:32,606 INFO L225 Difference]: With dead ends: 54800 [2021-12-17 04:24:32,606 INFO L226 Difference]: Without dead ends: 33759 [2021-12-17 04:24:32,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1956 GetRequests, 1945 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-12-17 04:24:32,623 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 346 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:32,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 59 Invalid, 1420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:24:32,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33759 states. [2021-12-17 04:24:32,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33759 to 32655. [2021-12-17 04:24:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32655 states, 32654 states have (on average 1.0900961597354075) internal successors, (35596), 32654 states have internal predecessors, (35596), 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) [2021-12-17 04:24:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32655 states to 32655 states and 35596 transitions. [2021-12-17 04:24:33,019 INFO L78 Accepts]: Start accepts. Automaton has 32655 states and 35596 transitions. Word has length 976 [2021-12-17 04:24:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:33,020 INFO L470 AbstractCegarLoop]: Abstraction has 32655 states and 35596 transitions. [2021-12-17 04:24:33,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.8) internal successors, (554), 4 states have internal predecessors, (554), 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) [2021-12-17 04:24:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32655 states and 35596 transitions. [2021-12-17 04:24:33,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 988 [2021-12-17 04:24:33,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:33,053 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:24:33,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-17 04:24:33,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:33,271 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:33,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:33,272 INFO L85 PathProgramCache]: Analyzing trace with hash 820261437, now seen corresponding path program 1 times [2021-12-17 04:24:33,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:33,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719294056] [2021-12-17 04:24:33,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:33,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3228 backedges. 1886 proven. 64 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-12-17 04:24:33,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:33,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719294056] [2021-12-17 04:24:33,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719294056] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:24:33,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413920186] [2021-12-17 04:24:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:33,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:33,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:33,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:24:33,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 04:24:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:33,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:24:33,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:24:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3228 backedges. 1950 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-12-17 04:24:34,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:24:34,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413920186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:34,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:24:34,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:24:34,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420570090] [2021-12-17 04:24:34,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:34,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:34,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:34,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:34,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:24:34,495 INFO L87 Difference]: Start difference. First operand 32655 states and 35596 transitions. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2021-12-17 04:24:34,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:34,973 INFO L93 Difference]: Finished difference Result 64959 states and 70843 transitions. [2021-12-17 04:24:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:34,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 987 [2021-12-17 04:24:34,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:35,007 INFO L225 Difference]: With dead ends: 64959 [2021-12-17 04:24:35,008 INFO L226 Difference]: Without dead ends: 32674 [2021-12-17 04:24:35,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 986 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:24:35,029 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 79 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:35,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 348 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 04:24:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32674 states. [2021-12-17 04:24:35,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32674 to 32103. [2021-12-17 04:24:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32103 states, 32102 states have (on average 1.0876580898386394) internal successors, (34916), 32102 states have internal predecessors, (34916), 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) [2021-12-17 04:24:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32103 states to 32103 states and 34916 transitions. [2021-12-17 04:24:35,364 INFO L78 Accepts]: Start accepts. Automaton has 32103 states and 34916 transitions. Word has length 987 [2021-12-17 04:24:35,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:35,364 INFO L470 AbstractCegarLoop]: Abstraction has 32103 states and 34916 transitions. [2021-12-17 04:24:35,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2021-12-17 04:24:35,371 INFO L276 IsEmpty]: Start isEmpty. Operand 32103 states and 34916 transitions. [2021-12-17 04:24:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2021-12-17 04:24:35,402 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:35,403 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:24:35,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 04:24:35,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:35,620 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:35,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:35,621 INFO L85 PathProgramCache]: Analyzing trace with hash 550292916, now seen corresponding path program 1 times [2021-12-17 04:24:35,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:35,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631458588] [2021-12-17 04:24:35,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:35,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:35,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3924 backedges. 2160 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2021-12-17 04:24:35,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:35,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631458588] [2021-12-17 04:24:35,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631458588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:35,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:35,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:24:35,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546602674] [2021-12-17 04:24:35,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:35,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:35,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:35,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:35,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:35,993 INFO L87 Difference]: Start difference. First operand 32103 states and 34916 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 2 states have internal predecessors, (297), 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) [2021-12-17 04:24:36,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:36,428 INFO L93 Difference]: Finished difference Result 62723 states and 68229 transitions. [2021-12-17 04:24:36,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:36,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 2 states have internal predecessors, (297), 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 1068 [2021-12-17 04:24:36,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:36,458 INFO L225 Difference]: With dead ends: 62723 [2021-12-17 04:24:36,459 INFO L226 Difference]: Without dead ends: 30990 [2021-12-17 04:24:36,477 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:36,478 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 203 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:36,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 41 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 04:24:36,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30990 states. [2021-12-17 04:24:36,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30990 to 30983. [2021-12-17 04:24:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30983 states, 30982 states have (on average 1.0870505454780195) internal successors, (33679), 30982 states have internal predecessors, (33679), 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) [2021-12-17 04:24:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30983 states to 30983 states and 33679 transitions. [2021-12-17 04:24:36,785 INFO L78 Accepts]: Start accepts. Automaton has 30983 states and 33679 transitions. Word has length 1068 [2021-12-17 04:24:36,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:36,786 INFO L470 AbstractCegarLoop]: Abstraction has 30983 states and 33679 transitions. [2021-12-17 04:24:36,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 2 states have internal predecessors, (297), 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) [2021-12-17 04:24:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 30983 states and 33679 transitions. [2021-12-17 04:24:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2021-12-17 04:24:36,927 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:36,928 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:24:36,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 04:24:36,928 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:36,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash 137162841, now seen corresponding path program 1 times [2021-12-17 04:24:36,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:36,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126566966] [2021-12-17 04:24:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:36,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 2000 proven. 0 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2021-12-17 04:24:37,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:37,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126566966] [2021-12-17 04:24:37,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126566966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:37,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:37,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:37,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587162738] [2021-12-17 04:24:37,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:37,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:37,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:37,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:37,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:37,154 INFO L87 Difference]: Start difference. First operand 30983 states and 33679 transitions. Second operand has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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) [2021-12-17 04:24:37,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:37,867 INFO L93 Difference]: Finished difference Result 62525 states and 67972 transitions. [2021-12-17 04:24:37,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:37,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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 1079 [2021-12-17 04:24:37,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:37,904 INFO L225 Difference]: With dead ends: 62525 [2021-12-17 04:24:37,904 INFO L226 Difference]: Without dead ends: 33198 [2021-12-17 04:24:37,923 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:37,924 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 46 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:37,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 340 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:24:37,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33198 states. [2021-12-17 04:24:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33198 to 31725. [2021-12-17 04:24:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31725 states, 31724 states have (on average 1.0832492749968479) internal successors, (34365), 31724 states have internal predecessors, (34365), 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) [2021-12-17 04:24:38,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31725 states to 31725 states and 34365 transitions. [2021-12-17 04:24:38,241 INFO L78 Accepts]: Start accepts. Automaton has 31725 states and 34365 transitions. Word has length 1079 [2021-12-17 04:24:38,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:38,241 INFO L470 AbstractCegarLoop]: Abstraction has 31725 states and 34365 transitions. [2021-12-17 04:24:38,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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) [2021-12-17 04:24:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 31725 states and 34365 transitions. [2021-12-17 04:24:38,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2021-12-17 04:24:38,276 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:38,277 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:24:38,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-17 04:24:38,277 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:38,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:38,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1958553384, now seen corresponding path program 1 times [2021-12-17 04:24:38,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:38,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719068227] [2021-12-17 04:24:38,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:38,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4788 backedges. 2386 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-12-17 04:24:38,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:38,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719068227] [2021-12-17 04:24:38,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719068227] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:38,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:38,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:38,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178593678] [2021-12-17 04:24:38,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:38,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:38,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:38,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:38,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:38,597 INFO L87 Difference]: Start difference. First operand 31725 states and 34365 transitions. Second operand has 4 states, 4 states have (on average 103.75) internal successors, (415), 3 states have internal predecessors, (415), 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) [2021-12-17 04:24:39,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:39,644 INFO L93 Difference]: Finished difference Result 59218 states and 64179 transitions. [2021-12-17 04:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:39,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.75) internal successors, (415), 3 states have internal predecessors, (415), 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 1161 [2021-12-17 04:24:39,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:39,680 INFO L225 Difference]: With dead ends: 59218 [2021-12-17 04:24:39,680 INFO L226 Difference]: Without dead ends: 29703 [2021-12-17 04:24:39,699 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:39,700 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 206 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:39,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 74 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:24:39,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29703 states. [2021-12-17 04:24:40,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29703 to 26558. [2021-12-17 04:24:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26558 states, 26557 states have (on average 1.082162894905298) internal successors, (28739), 26557 states have internal predecessors, (28739), 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) [2021-12-17 04:24:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26558 states to 26558 states and 28739 transitions. [2021-12-17 04:24:40,175 INFO L78 Accepts]: Start accepts. Automaton has 26558 states and 28739 transitions. Word has length 1161 [2021-12-17 04:24:40,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:40,175 INFO L470 AbstractCegarLoop]: Abstraction has 26558 states and 28739 transitions. [2021-12-17 04:24:40,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.75) internal successors, (415), 3 states have internal predecessors, (415), 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) [2021-12-17 04:24:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 26558 states and 28739 transitions. [2021-12-17 04:24:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1181 [2021-12-17 04:24:40,205 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:40,206 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:40,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-17 04:24:40,206 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:40,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:40,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1743741540, now seen corresponding path program 1 times [2021-12-17 04:24:40,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:40,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645372893] [2021-12-17 04:24:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:40,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4235 backedges. 1679 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-17 04:24:40,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:40,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645372893] [2021-12-17 04:24:40,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645372893] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:40,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:40,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:24:40,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757243059] [2021-12-17 04:24:40,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:40,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:40,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:40,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:40,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:40,453 INFO L87 Difference]: Start difference. First operand 26558 states and 28739 transitions. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 2 states have internal predecessors, (346), 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) [2021-12-17 04:24:40,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:40,871 INFO L93 Difference]: Finished difference Result 50351 states and 54509 transitions. [2021-12-17 04:24:40,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:40,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 2 states have internal predecessors, (346), 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 1180 [2021-12-17 04:24:40,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:40,900 INFO L225 Difference]: With dead ends: 50351 [2021-12-17 04:24:40,901 INFO L226 Difference]: Without dead ends: 26373 [2021-12-17 04:24:40,916 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:40,916 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 173 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:40,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 34 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 04:24:40,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26373 states. [2021-12-17 04:24:41,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26373 to 26373. [2021-12-17 04:24:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26373 states, 26372 states have (on average 1.0820946458364933) internal successors, (28537), 26372 states have internal predecessors, (28537), 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) [2021-12-17 04:24:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26373 states to 26373 states and 28537 transitions. [2021-12-17 04:24:41,342 INFO L78 Accepts]: Start accepts. Automaton has 26373 states and 28537 transitions. Word has length 1180 [2021-12-17 04:24:41,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:41,343 INFO L470 AbstractCegarLoop]: Abstraction has 26373 states and 28537 transitions. [2021-12-17 04:24:41,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 2 states have internal predecessors, (346), 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) [2021-12-17 04:24:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 26373 states and 28537 transitions. [2021-12-17 04:24:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1197 [2021-12-17 04:24:41,369 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:41,369 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:41,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-17 04:24:41,370 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:41,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:41,370 INFO L85 PathProgramCache]: Analyzing trace with hash 420105550, now seen corresponding path program 1 times [2021-12-17 04:24:41,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:41,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871159738] [2021-12-17 04:24:41,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:41,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4251 backedges. 2680 proven. 0 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2021-12-17 04:24:41,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:41,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871159738] [2021-12-17 04:24:41,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871159738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:41,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:41,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:24:41,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352756204] [2021-12-17 04:24:41,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:41,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:24:41,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:41,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:24:41,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:24:41,849 INFO L87 Difference]: Start difference. First operand 26373 states and 28537 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2021-12-17 04:24:42,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:42,479 INFO L93 Difference]: Finished difference Result 56427 states and 61035 transitions. [2021-12-17 04:24:42,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:42,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 1196 [2021-12-17 04:24:42,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:42,510 INFO L225 Difference]: With dead ends: 56427 [2021-12-17 04:24:42,510 INFO L226 Difference]: Without dead ends: 30424 [2021-12-17 04:24:42,526 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:42,528 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 105 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:42,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 68 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:24:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30424 states. [2021-12-17 04:24:42,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30424 to 26557. [2021-12-17 04:24:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26557 states, 26556 states have (on average 1.0813375508359693) internal successors, (28716), 26556 states have internal predecessors, (28716), 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) [2021-12-17 04:24:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26557 states to 26557 states and 28716 transitions. [2021-12-17 04:24:42,934 INFO L78 Accepts]: Start accepts. Automaton has 26557 states and 28716 transitions. Word has length 1196 [2021-12-17 04:24:42,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:42,934 INFO L470 AbstractCegarLoop]: Abstraction has 26557 states and 28716 transitions. [2021-12-17 04:24:42,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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) [2021-12-17 04:24:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 26557 states and 28716 transitions. [2021-12-17 04:24:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2021-12-17 04:24:42,960 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:42,960 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:24:42,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-17 04:24:42,961 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:42,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:42,961 INFO L85 PathProgramCache]: Analyzing trace with hash -454173652, now seen corresponding path program 1 times [2021-12-17 04:24:42,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:42,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254366002] [2021-12-17 04:24:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:42,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 2988 proven. 0 refuted. 0 times theorem prover too weak. 2792 trivial. 0 not checked. [2021-12-17 04:24:43,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:43,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254366002] [2021-12-17 04:24:43,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254366002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:24:43,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:24:43,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:24:43,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179273337] [2021-12-17 04:24:43,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:24:43,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:24:43,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:43,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:24:43,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:24:43,327 INFO L87 Difference]: Start difference. First operand 26557 states and 28716 transitions. Second operand has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 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) [2021-12-17 04:24:44,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:44,226 INFO L93 Difference]: Finished difference Result 49058 states and 52983 transitions. [2021-12-17 04:24:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:24:44,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 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 1257 [2021-12-17 04:24:44,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:44,228 INFO L225 Difference]: With dead ends: 49058 [2021-12-17 04:24:44,228 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:24:44,242 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:24:44,243 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 185 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:44,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 44 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:24:44,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:24:44,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:24:44,245 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) [2021-12-17 04:24:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:24:44,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1257 [2021-12-17 04:24:44,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:44,245 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:24:44,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.75) internal successors, (483), 4 states have internal predecessors, (483), 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) [2021-12-17 04:24:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:24:44,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:24:44,247 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:24:44,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-17 04:24:44,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-17 04:24:58,189 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-17 04:24:58,190 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse19 (<= ~a23~0 312)) (.cse7 (= ~a25~0 12)) (.cse18 (<= ~a29~0 130)) (.cse10 (= ~a25~0 13)) (.cse3 (<= ~a8~0 15)) (.cse11 (<= ~a25~0 10)) (.cse20 (<= (+ ~a23~0 43) 0)) (.cse5 (= ~a4~0 1))) (let ((.cse1 (<= ~a23~0 137)) (.cse14 (or (and .cse10 .cse3 .cse20 .cse5) (and .cse3 .cse11 .cse20 .cse5))) (.cse6 (<= ~a29~0 599998)) (.cse0 (= ~a25~0 10)) (.cse15 (<= ~a23~0 600177)) (.cse17 (< (div (+ ~a23~0 (- 139)) (- 83)) 1)) (.cse9 (or (and .cse19 .cse11 .cse18 (not (= ~a25~0 9)) .cse5) (and .cse19 .cse7 .cse18 .cse5))) (.cse16 (<= ~a29~0 310110)) (.cse12 (<= 246 ~a29~0)) (.cse21 (<= ~a29~0 140)) (.cse13 (= ~a25~0 11)) (.cse2 (<= ~a29~0 274)) (.cse4 (= ~a3~0 1)) (.cse8 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse4 .cse8) (and .cse1 .cse3 .cse9 .cse4) (and .cse1 (<= (+ ~a29~0 59274) 0) .cse10 .cse4 .cse8) (and .cse6 .cse11 .cse4 .cse12 .cse5 .cse8) (and (<= (+ ~a23~0 119992) 0) .cse6 .cse13 .cse4 .cse12 .cse8) (and (<= ~a29~0 275) .cse7 .cse4 .cse8) (and .cse0 .cse6 .cse4 .cse5 .cse8) (and .cse0 .cse14) (and .cse11 .cse4 .cse15 .cse5 .cse8) (and .cse1 .cse3 .cse13 .cse12 .cse4 .cse5) (and .cse14 .cse4 .cse8) (and .cse6 .cse13 .cse12 .cse4 .cse5 .cse8) (and .cse16 .cse10 .cse4 .cse5 .cse17 .cse8) (and .cse0 .cse4 .cse18 .cse8) (and .cse19 .cse7 .cse4 .cse8 .cse5 .cse17) (and .cse19 .cse13 .cse4 .cse5 .cse17 .cse8) (and (<= ~a29~0 220) .cse13 .cse4 .cse15 .cse5 .cse17 .cse8) (and (<= 312 ~a23~0) .cse13 .cse4 .cse12 .cse15 .cse5 .cse8) (and .cse16 .cse7 .cse4 .cse5 .cse17 .cse8) (and .cse3 .cse9 .cse20) (and (or (and .cse16 .cse12 .cse20 (<= ~a25~0 9)) (and .cse2 .cse10 .cse12 .cse20)) .cse4 .cse8) (and .cse2 .cse19 .cse13 .cse4 .cse12 .cse8) (and .cse21 .cse19 .cse11 .cse4 .cse8) (and .cse21 .cse13 .cse4 .cse20 .cse8) (and .cse2 .cse10 .cse4 .cse5 .cse8)))) [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-17 04:24:58,191 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-17 04:24:58,191 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-17 04:24:58,192 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse19 (<= ~a23~0 312)) (.cse7 (= ~a25~0 12)) (.cse18 (<= ~a29~0 130)) (.cse10 (= ~a25~0 13)) (.cse3 (<= ~a8~0 15)) (.cse11 (<= ~a25~0 10)) (.cse20 (<= (+ ~a23~0 43) 0)) (.cse5 (= ~a4~0 1))) (let ((.cse1 (<= ~a23~0 137)) (.cse14 (or (and .cse10 .cse3 .cse20 .cse5) (and .cse3 .cse11 .cse20 .cse5))) (.cse6 (<= ~a29~0 599998)) (.cse0 (= ~a25~0 10)) (.cse15 (<= ~a23~0 600177)) (.cse17 (< (div (+ ~a23~0 (- 139)) (- 83)) 1)) (.cse9 (or (and .cse19 .cse11 .cse18 (not (= ~a25~0 9)) .cse5) (and .cse19 .cse7 .cse18 .cse5))) (.cse16 (<= ~a29~0 310110)) (.cse12 (<= 246 ~a29~0)) (.cse21 (<= ~a29~0 140)) (.cse13 (= ~a25~0 11)) (.cse2 (<= ~a29~0 274)) (.cse4 (= ~a3~0 1)) (.cse8 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse4 .cse8) (and .cse1 .cse3 .cse9 .cse4) (and .cse1 (<= (+ ~a29~0 59274) 0) .cse10 .cse4 .cse8) (and .cse6 .cse11 .cse4 .cse12 .cse5 .cse8) (and (<= (+ ~a23~0 119992) 0) .cse6 .cse13 .cse4 .cse12 .cse8) (and (<= ~a29~0 275) .cse7 .cse4 .cse8) (and .cse0 .cse6 .cse4 .cse5 .cse8) (and .cse0 .cse14) (and .cse11 .cse4 .cse15 .cse5 .cse8) (and .cse1 .cse3 .cse13 .cse12 .cse4 .cse5) (and .cse14 .cse4 .cse8) (and .cse6 .cse13 .cse12 .cse4 .cse5 .cse8) (and .cse16 .cse10 .cse4 .cse5 .cse17 .cse8) (and .cse0 .cse4 .cse18 .cse8) (and .cse19 .cse7 .cse4 .cse8 .cse5 .cse17) (and .cse19 .cse13 .cse4 .cse5 .cse17 .cse8) (and (<= ~a29~0 220) .cse13 .cse4 .cse15 .cse5 .cse17 .cse8) (and (<= 312 ~a23~0) .cse13 .cse4 .cse12 .cse15 .cse5 .cse8) (and .cse16 .cse7 .cse4 .cse5 .cse17 .cse8) (and .cse3 .cse9 .cse20) (and (or (and .cse16 .cse12 .cse20 (<= ~a25~0 9)) (and .cse2 .cse10 .cse12 .cse20)) .cse4 .cse8) (and .cse2 .cse19 .cse13 .cse4 .cse12 .cse8) (and .cse21 .cse19 .cse11 .cse4 .cse8) (and .cse21 .cse13 .cse4 .cse20 .cse8) (and .cse2 .cse10 .cse4 .cse5 .cse8)))) [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,193 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,194 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-17 04:24:58,195 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-17 04:24:58,196 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-17 04:24:58,197 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,198 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,199 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-17 04:24:58,200 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-17 04:24:58,201 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,202 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,203 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,204 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,205 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-17 04:24:58,206 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,209 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:58,210 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:24:58,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:24:58 BoogieIcfgContainer [2021-12-17 04:24:58,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:24:58,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:24:58,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:24:58,230 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:24:58,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:24:06" (3/4) ... [2021-12-17 04:24:58,232 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:24:58,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 04:24:58,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:24:58,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:24:58,252 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:24:58,345 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:24:58,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:24:58,346 INFO L158 Benchmark]: Toolchain (without parser) took 54099.55ms. Allocated memory was 130.0MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 98.4MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-12-17 04:24:58,346 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:24:58,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.41ms. Allocated memory is still 130.0MB. Free memory was 98.4MB in the beginning and 73.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.31ms. Allocated memory is still 130.0MB. Free memory was 73.5MB in the beginning and 91.8MB in the end (delta: -18.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,347 INFO L158 Benchmark]: Boogie Preprocessor took 79.68ms. Allocated memory is still 130.0MB. Free memory was 91.8MB in the beginning and 82.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,347 INFO L158 Benchmark]: RCFGBuilder took 1141.55ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 82.0MB in the beginning and 97.6MB in the end (delta: -15.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,351 INFO L158 Benchmark]: TraceAbstraction took 52125.24ms. Allocated memory was 165.7MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 97.6MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2021-12-17 04:24:58,351 INFO L158 Benchmark]: Witness Printer took 115.68ms. Allocated memory is still 4.2GB. Free memory was 2.9GB in the beginning and 2.9GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.41ms. Allocated memory is still 130.0MB. Free memory was 98.4MB in the beginning and 73.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.31ms. Allocated memory is still 130.0MB. Free memory was 73.5MB in the beginning and 91.8MB in the end (delta: -18.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.68ms. Allocated memory is still 130.0MB. Free memory was 91.8MB in the beginning and 82.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1141.55ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 82.0MB in the beginning and 97.6MB in the end (delta: -15.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 52125.24ms. Allocated memory was 165.7MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 97.6MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * Witness Printer took 115.68ms. Allocated memory is still 4.2GB. Free memory was 2.9GB in the beginning and 2.9GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 133]: 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: 52.0s, OverallIterations: 26, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4618 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4618 mSDsluCounter, 4760 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 540 mSDsCounter, 2899 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16534 IncrementalHoareTripleChecker+Invalid, 19433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2899 mSolverCounterUnsat, 4220 mSDtfsCounter, 16534 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3526 GetRequests, 3477 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32655occurred in iteration=19, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 23167 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 313 NumberOfFragments, 1183 HoareAnnotationTreeSize, 3 FomulaSimplifications, 27556 FormulaSimplificationTreeSizeReduction, 8.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 128782 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 18360 NumberOfCodeBlocks, 18360 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 19306 ConstructedInterpolants, 0 QuantifiedInterpolants, 40774 SizeOfPredicates, 1 NumberOfNonLiveVariables, 3213 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 30 InterpolantComputations, 26 PerfectInterpolantSequences, 53561/54571 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 && a23 <= 137) && a29 <= 274) && a8 <= 15) && a3 == 1) && a4 == 1) || ((((a23 <= 137 && a29 <= 599998) && a25 == 12) && a3 == 1) && a8 == 15)) || (((a23 <= 137 && a8 <= 15) && (((((a23 <= 312 && a25 <= 10) && a29 <= 130) && !(a25 == 9)) && a4 == 1) || (((a23 <= 312 && a25 == 12) && a29 <= 130) && a4 == 1))) && a3 == 1)) || ((((a23 <= 137 && a29 + 59274 <= 0) && a25 == 13) && a3 == 1) && a8 == 15)) || (((((a29 <= 599998 && a25 <= 10) && a3 == 1) && 246 <= a29) && a4 == 1) && a8 == 15)) || (((((a23 + 119992 <= 0 && a29 <= 599998) && a25 == 11) && a3 == 1) && 246 <= a29) && a8 == 15)) || (((a29 <= 275 && a25 == 12) && a3 == 1) && a8 == 15)) || ((((a25 == 10 && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (a25 == 10 && ((((a25 == 13 && a8 <= 15) && a23 + 43 <= 0) && a4 == 1) || (((a8 <= 15 && a25 <= 10) && a23 + 43 <= 0) && a4 == 1)))) || ((((a25 <= 10 && a3 == 1) && a23 <= 600177) && a4 == 1) && a8 == 15)) || (((((a23 <= 137 && a8 <= 15) && a25 == 11) && 246 <= a29) && a3 == 1) && a4 == 1)) || ((((((a25 == 13 && a8 <= 15) && a23 + 43 <= 0) && a4 == 1) || (((a8 <= 15 && a25 <= 10) && a23 + 43 <= 0) && a4 == 1)) && a3 == 1) && a8 == 15)) || (((((a29 <= 599998 && a25 == 11) && 246 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 310110 && a25 == 13) && a3 == 1) && a4 == 1) && (a23 + -139) / -83 < 1) && a8 == 15)) || (((a25 == 10 && a3 == 1) && a29 <= 130) && a8 == 15)) || (((((a23 <= 312 && a25 == 12) && a3 == 1) && a8 == 15) && a4 == 1) && (a23 + -139) / -83 < 1)) || (((((a23 <= 312 && a25 == 11) && a3 == 1) && a4 == 1) && (a23 + -139) / -83 < 1) && a8 == 15)) || ((((((a29 <= 220 && a25 == 11) && a3 == 1) && a23 <= 600177) && a4 == 1) && (a23 + -139) / -83 < 1) && a8 == 15)) || ((((((312 <= a23 && a25 == 11) && a3 == 1) && 246 <= a29) && a23 <= 600177) && a4 == 1) && a8 == 15)) || (((((a29 <= 310110 && a25 == 12) && a3 == 1) && a4 == 1) && (a23 + -139) / -83 < 1) && a8 == 15)) || ((a8 <= 15 && (((((a23 <= 312 && a25 <= 10) && a29 <= 130) && !(a25 == 9)) && a4 == 1) || (((a23 <= 312 && a25 == 12) && a29 <= 130) && a4 == 1))) && a23 + 43 <= 0)) || ((((((a29 <= 310110 && 246 <= a29) && a23 + 43 <= 0) && a25 <= 9) || (((a29 <= 274 && a25 == 13) && 246 <= a29) && a23 + 43 <= 0)) && a3 == 1) && a8 == 15)) || (((((a29 <= 274 && a23 <= 312) && a25 == 11) && a3 == 1) && 246 <= a29) && a8 == 15)) || ((((a29 <= 140 && a23 <= 312) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((((a29 <= 140 && a25 == 11) && a3 == 1) && a23 + 43 <= 0) && a8 == 15)) || ((((a29 <= 274 && a25 == 13) && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a25 == 10 && a23 <= 137) && a29 <= 274) && a8 <= 15) && a3 == 1) && a4 == 1) || ((((a23 <= 137 && a29 <= 599998) && a25 == 12) && a3 == 1) && a8 == 15)) || (((a23 <= 137 && a8 <= 15) && (((((a23 <= 312 && a25 <= 10) && a29 <= 130) && !(a25 == 9)) && a4 == 1) || (((a23 <= 312 && a25 == 12) && a29 <= 130) && a4 == 1))) && a3 == 1)) || ((((a23 <= 137 && a29 + 59274 <= 0) && a25 == 13) && a3 == 1) && a8 == 15)) || (((((a29 <= 599998 && a25 <= 10) && a3 == 1) && 246 <= a29) && a4 == 1) && a8 == 15)) || (((((a23 + 119992 <= 0 && a29 <= 599998) && a25 == 11) && a3 == 1) && 246 <= a29) && a8 == 15)) || (((a29 <= 275 && a25 == 12) && a3 == 1) && a8 == 15)) || ((((a25 == 10 && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (a25 == 10 && ((((a25 == 13 && a8 <= 15) && a23 + 43 <= 0) && a4 == 1) || (((a8 <= 15 && a25 <= 10) && a23 + 43 <= 0) && a4 == 1)))) || ((((a25 <= 10 && a3 == 1) && a23 <= 600177) && a4 == 1) && a8 == 15)) || (((((a23 <= 137 && a8 <= 15) && a25 == 11) && 246 <= a29) && a3 == 1) && a4 == 1)) || ((((((a25 == 13 && a8 <= 15) && a23 + 43 <= 0) && a4 == 1) || (((a8 <= 15 && a25 <= 10) && a23 + 43 <= 0) && a4 == 1)) && a3 == 1) && a8 == 15)) || (((((a29 <= 599998 && a25 == 11) && 246 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 310110 && a25 == 13) && a3 == 1) && a4 == 1) && (a23 + -139) / -83 < 1) && a8 == 15)) || (((a25 == 10 && a3 == 1) && a29 <= 130) && a8 == 15)) || (((((a23 <= 312 && a25 == 12) && a3 == 1) && a8 == 15) && a4 == 1) && (a23 + -139) / -83 < 1)) || (((((a23 <= 312 && a25 == 11) && a3 == 1) && a4 == 1) && (a23 + -139) / -83 < 1) && a8 == 15)) || ((((((a29 <= 220 && a25 == 11) && a3 == 1) && a23 <= 600177) && a4 == 1) && (a23 + -139) / -83 < 1) && a8 == 15)) || ((((((312 <= a23 && a25 == 11) && a3 == 1) && 246 <= a29) && a23 <= 600177) && a4 == 1) && a8 == 15)) || (((((a29 <= 310110 && a25 == 12) && a3 == 1) && a4 == 1) && (a23 + -139) / -83 < 1) && a8 == 15)) || ((a8 <= 15 && (((((a23 <= 312 && a25 <= 10) && a29 <= 130) && !(a25 == 9)) && a4 == 1) || (((a23 <= 312 && a25 == 12) && a29 <= 130) && a4 == 1))) && a23 + 43 <= 0)) || ((((((a29 <= 310110 && 246 <= a29) && a23 + 43 <= 0) && a25 <= 9) || (((a29 <= 274 && a25 == 13) && 246 <= a29) && a23 + 43 <= 0)) && a3 == 1) && a8 == 15)) || (((((a29 <= 274 && a23 <= 312) && a25 == 11) && a3 == 1) && 246 <= a29) && a8 == 15)) || ((((a29 <= 140 && a23 <= 312) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((((a29 <= 140 && a25 == 11) && a3 == 1) && a23 + 43 <= 0) && a8 == 15)) || ((((a29 <= 274 && a25 == 13) && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 04:24:58,390 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