./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label10.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 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 12:04:28,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 12:04:28,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 12:04:28,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 12:04:28,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 12:04:28,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 12:04:28,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 12:04:28,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 12:04:28,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 12:04:28,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 12:04:28,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 12:04:28,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 12:04:28,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 12:04:28,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 12:04:28,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 12:04:28,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 12:04:28,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 12:04:28,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 12:04:28,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 12:04:28,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 12:04:28,984 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 12:04:28,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 12:04:28,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 12:04:28,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 12:04:28,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 12:04:28,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 12:04:28,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 12:04:28,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 12:04:28,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 12:04:28,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 12:04:28,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 12:04:28,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 12:04:28,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 12:04:28,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 12:04:28,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 12:04:28,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 12:04:28,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 12:04:29,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 12:04:29,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 12:04:29,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 12:04:29,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 12:04:29,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 12:04:29,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 12:04:29,025 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 12:04:29,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 12:04:29,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 12:04:29,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 12:04:29,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 12:04:29,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 12:04:29,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 12:04:29,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 12:04:29,027 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 12:04:29,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 12:04:29,028 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 12:04:29,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 12:04:29,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 12:04:29,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 12:04:29,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 12:04:29,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 12:04:29,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 12:04:29,029 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 12:04:29,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 12:04:29,029 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 12:04:29,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 12:04:29,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 12:04:29,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 12:04:29,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 12:04:29,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:04:29,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 12:04:29,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 12:04:29,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 12:04:29,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 12:04:29,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 12:04:29,031 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 12:04:29,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 12:04:29,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 12:04:29,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bba3302e6a94fc1a2bd97d9ea3c006d28b9ba843bd296b9f627a896167b8ce [2022-07-19 12:04:29,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 12:04:29,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 12:04:29,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 12:04:29,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 12:04:29,239 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 12:04:29,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2022-07-19 12:04:29,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55959180/de44a4ff9cf149c98fc301f16e3bcfde/FLAGbf2423228 [2022-07-19 12:04:29,678 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 12:04:29,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2022-07-19 12:04:29,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55959180/de44a4ff9cf149c98fc301f16e3bcfde/FLAGbf2423228 [2022-07-19 12:04:30,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f55959180/de44a4ff9cf149c98fc301f16e3bcfde [2022-07-19 12:04:30,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 12:04:30,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 12:04:30,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 12:04:30,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 12:04:30,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 12:04:30,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2a7a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30, skipping insertion in model container [2022-07-19 12:04:30,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 12:04:30,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 12:04:30,288 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_label10.c[3268,3281] [2022-07-19 12:04:30,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:04:30,511 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 12:04:30,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label10.c[3268,3281] [2022-07-19 12:04:30,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:04:30,712 INFO L208 MainTranslator]: Completed translation [2022-07-19 12:04:30,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30 WrapperNode [2022-07-19 12:04:30,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 12:04:30,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 12:04:30,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 12:04:30,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 12:04:30,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,849 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-19 12:04:30,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 12:04:30,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 12:04:30,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 12:04:30,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 12:04:30,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 12:04:30,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 12:04:30,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 12:04:30,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 12:04:30,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (1/1) ... [2022-07-19 12:04:30,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:04:30,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:30,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 12:04:30,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 12:04:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 12:04:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 12:04:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 12:04:31,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 12:04:31,042 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 12:04:31,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 12:04:32,096 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 12:04:32,102 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 12:04:32,103 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 12:04:32,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:32 BoogieIcfgContainer [2022-07-19 12:04:32,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 12:04:32,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 12:04:32,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 12:04:32,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 12:04:32,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 12:04:30" (1/3) ... [2022-07-19 12:04:32,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5fd25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:04:32, skipping insertion in model container [2022-07-19 12:04:32,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:04:30" (2/3) ... [2022-07-19 12:04:32,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5fd25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:04:32, skipping insertion in model container [2022-07-19 12:04:32,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:32" (3/3) ... [2022-07-19 12:04:32,111 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label10.c [2022-07-19 12:04:32,121 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 12:04:32,121 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 12:04:32,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 12:04:32,162 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@527422f4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@655d99e5 [2022-07-19 12:04:32,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 12:04:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-19 12:04:32,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:32,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:32,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:32,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:32,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1644072970, now seen corresponding path program 1 times [2022-07-19 12:04:32,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:32,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346209227] [2022-07-19 12:04:32,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:32,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:32,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:32,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346209227] [2022-07-19 12:04:32,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346209227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:32,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:32,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:04:32,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802130243] [2022-07-19 12:04:32,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:32,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:32,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:32,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:32,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:32,336 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 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:33,153 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-07-19 12:04:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:33,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-07-19 12:04:33,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:33,165 INFO L225 Difference]: With dead ends: 776 [2022-07-19 12:04:33,165 INFO L226 Difference]: Without dead ends: 413 [2022-07-19 12:04:33,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:33,171 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 205 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:33,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:04:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-19 12:04:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-07-19 12:04:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-07-19 12:04:33,210 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 22 [2022-07-19 12:04:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:33,211 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-07-19 12:04:33,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-07-19 12:04:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-07-19 12:04:33,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:33,214 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-19 12:04:33,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 12:04:33,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:33,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:33,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1871415266, now seen corresponding path program 1 times [2022-07-19 12:04:33,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:33,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048818136] [2022-07-19 12:04:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:33,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:33,309 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:33,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:33,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048818136] [2022-07-19 12:04:33,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048818136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:33,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:33,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:04:33,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437356569] [2022-07-19 12:04:33,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:33,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:33,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:33,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:33,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:33,313 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:33,915 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-07-19 12:04:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:33,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-07-19 12:04:33,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:33,920 INFO L225 Difference]: With dead ends: 1209 [2022-07-19 12:04:33,920 INFO L226 Difference]: Without dead ends: 800 [2022-07-19 12:04:33,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:33,922 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 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 [2022-07-19 12:04:33,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:33,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-19 12:04:33,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-07-19 12:04:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2022-07-19 12:04:33,940 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 90 [2022-07-19 12:04:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:33,941 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2022-07-19 12:04:33,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2022-07-19 12:04:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-19 12:04:33,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:33,943 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-19 12:04:33,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 12:04:33,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:33,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:33,944 INFO L85 PathProgramCache]: Analyzing trace with hash 562007972, now seen corresponding path program 1 times [2022-07-19 12:04:33,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:33,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467253474] [2022-07-19 12:04:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:33,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:34,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:34,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467253474] [2022-07-19 12:04:34,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467253474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:34,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:34,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:04:34,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419373846] [2022-07-19 12:04:34,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:34,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:34,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:34,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:34,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:34,037 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:34,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:34,683 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2022-07-19 12:04:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:34,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-07-19 12:04:34,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:34,692 INFO L225 Difference]: With dead ends: 1942 [2022-07-19 12:04:34,692 INFO L226 Difference]: Without dead ends: 1157 [2022-07-19 12:04:34,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:34,704 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:34,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:34,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-07-19 12:04:34,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-07-19 12:04:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2022-07-19 12:04:34,738 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 91 [2022-07-19 12:04:34,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:34,739 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2022-07-19 12:04:34,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2022-07-19 12:04:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-19 12:04:34,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:34,749 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:34,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 12:04:34,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:34,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:34,751 INFO L85 PathProgramCache]: Analyzing trace with hash -945177690, now seen corresponding path program 1 times [2022-07-19 12:04:34,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:34,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879309034] [2022-07-19 12:04:34,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:34,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-19 12:04:34,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:34,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879309034] [2022-07-19 12:04:34,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879309034] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:34,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:34,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:04:34,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134686405] [2022-07-19 12:04:34,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:34,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:34,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:34,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:34,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:34,928 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:35,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:35,607 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2022-07-19 12:04:35,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:35,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 134 [2022-07-19 12:04:35,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:35,614 INFO L225 Difference]: With dead ends: 2502 [2022-07-19 12:04:35,614 INFO L226 Difference]: Without dead ends: 1532 [2022-07-19 12:04:35,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:35,624 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:35,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:35,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-07-19 12:04:35,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2022-07-19 12:04:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2022-07-19 12:04:35,652 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 134 [2022-07-19 12:04:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:35,654 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2022-07-19 12:04:35,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2022-07-19 12:04:35,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-07-19 12:04:35,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:35,657 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:35,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 12:04:35,657 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:35,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:35,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2122268031, now seen corresponding path program 1 times [2022-07-19 12:04:35,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:35,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585791331] [2022-07-19 12:04:35,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:35,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:35,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:35,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585791331] [2022-07-19 12:04:35,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585791331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:35,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:35,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:35,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895299356] [2022-07-19 12:04:35,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:35,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:35,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:35,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:35,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:35,781 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:36,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:36,450 INFO L93 Difference]: Finished difference Result 3644 states and 4738 transitions. [2022-07-19 12:04:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:36,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2022-07-19 12:04:36,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:36,457 INFO L225 Difference]: With dead ends: 3644 [2022-07-19 12:04:36,458 INFO L226 Difference]: Without dead ends: 2298 [2022-07-19 12:04:36,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:36,461 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 213 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:36,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2022-07-19 12:04:36,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2022-07-19 12:04:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2654751525719268) internal successors, (2903), 2294 states have internal predecessors, (2903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2903 transitions. [2022-07-19 12:04:36,493 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2903 transitions. Word has length 149 [2022-07-19 12:04:36,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:36,494 INFO L495 AbstractCegarLoop]: Abstraction has 2295 states and 2903 transitions. [2022-07-19 12:04:36,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2903 transitions. [2022-07-19 12:04:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-19 12:04:36,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:36,501 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:36,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 12:04:36,502 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:36,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:36,502 INFO L85 PathProgramCache]: Analyzing trace with hash -259742338, now seen corresponding path program 1 times [2022-07-19 12:04:36,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:36,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386560277] [2022-07-19 12:04:36,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:36,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:36,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:36,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386560277] [2022-07-19 12:04:36,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386560277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:36,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:36,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:36,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312545954] [2022-07-19 12:04:36,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:36,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:36,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:36,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:36,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:36,613 INFO L87 Difference]: Start difference. First operand 2295 states and 2903 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:37,229 INFO L93 Difference]: Finished difference Result 5528 states and 7095 transitions. [2022-07-19 12:04:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:37,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 202 [2022-07-19 12:04:37,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:37,239 INFO L225 Difference]: With dead ends: 5528 [2022-07-19 12:04:37,239 INFO L226 Difference]: Without dead ends: 3419 [2022-07-19 12:04:37,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:37,243 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:37,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:37,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2022-07-19 12:04:37,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3218. [2022-07-19 12:04:37,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3217 states have (on average 1.2377991917935964) internal successors, (3982), 3217 states have internal predecessors, (3982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 3982 transitions. [2022-07-19 12:04:37,288 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 3982 transitions. Word has length 202 [2022-07-19 12:04:37,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:37,288 INFO L495 AbstractCegarLoop]: Abstraction has 3218 states and 3982 transitions. [2022-07-19 12:04:37,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3982 transitions. [2022-07-19 12:04:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-19 12:04:37,290 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:37,291 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:37,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 12:04:37,291 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:37,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:37,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1079368312, now seen corresponding path program 1 times [2022-07-19 12:04:37,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:37,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660209671] [2022-07-19 12:04:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:37,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-19 12:04:37,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:37,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660209671] [2022-07-19 12:04:37,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660209671] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:37,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:37,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:37,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108809721] [2022-07-19 12:04:37,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:37,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:37,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:37,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:37,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:37,365 INFO L87 Difference]: Start difference. First operand 3218 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:37,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:37,963 INFO L93 Difference]: Finished difference Result 7371 states and 9143 transitions. [2022-07-19 12:04:37,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:37,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 203 [2022-07-19 12:04:37,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:37,975 INFO L225 Difference]: With dead ends: 7371 [2022-07-19 12:04:37,975 INFO L226 Difference]: Without dead ends: 4155 [2022-07-19 12:04:37,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:37,981 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 180 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:37,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 345 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:37,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2022-07-19 12:04:38,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4138. [2022-07-19 12:04:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4137 states have (on average 1.2211747643219724) internal successors, (5052), 4137 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5052 transitions. [2022-07-19 12:04:38,045 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5052 transitions. Word has length 203 [2022-07-19 12:04:38,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:38,045 INFO L495 AbstractCegarLoop]: Abstraction has 4138 states and 5052 transitions. [2022-07-19 12:04:38,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5052 transitions. [2022-07-19 12:04:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-19 12:04:38,047 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:38,048 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:38,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 12:04:38,048 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1976650713, now seen corresponding path program 1 times [2022-07-19 12:04:38,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:38,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309962678] [2022-07-19 12:04:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:38,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-19 12:04:38,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:38,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309962678] [2022-07-19 12:04:38,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309962678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:38,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:38,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:38,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480511736] [2022-07-19 12:04:38,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:38,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:38,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:38,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:38,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:38,120 INFO L87 Difference]: Start difference. First operand 4138 states and 5052 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:38,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:38,781 INFO L93 Difference]: Finished difference Result 9207 states and 11353 transitions. [2022-07-19 12:04:38,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:38,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 204 [2022-07-19 12:04:38,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:38,835 INFO L225 Difference]: With dead ends: 9207 [2022-07-19 12:04:38,835 INFO L226 Difference]: Without dead ends: 5071 [2022-07-19 12:04:38,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:38,839 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 175 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:38,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 379 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:38,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-07-19 12:04:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4874. [2022-07-19 12:04:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 4873 states have (on average 1.2087010055407346) internal successors, (5890), 4873 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5890 transitions. [2022-07-19 12:04:38,904 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5890 transitions. Word has length 204 [2022-07-19 12:04:38,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:38,905 INFO L495 AbstractCegarLoop]: Abstraction has 4874 states and 5890 transitions. [2022-07-19 12:04:38,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5890 transitions. [2022-07-19 12:04:38,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-19 12:04:38,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:38,907 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:38,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 12:04:38,908 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:38,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:38,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1214132377, now seen corresponding path program 1 times [2022-07-19 12:04:38,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:38,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821858261] [2022-07-19 12:04:38,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:38,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:39,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:39,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821858261] [2022-07-19 12:04:39,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821858261] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:39,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:39,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:04:39,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020279831] [2022-07-19 12:04:39,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:39,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:39,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:39,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:39,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:39,026 INFO L87 Difference]: Start difference. First operand 4874 states and 5890 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:40,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:40,062 INFO L93 Difference]: Finished difference Result 15870 states and 19335 transitions. [2022-07-19 12:04:40,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:40,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2022-07-19 12:04:40,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:40,086 INFO L225 Difference]: With dead ends: 15870 [2022-07-19 12:04:40,087 INFO L226 Difference]: Without dead ends: 10998 [2022-07-19 12:04:40,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:40,093 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 310 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:40,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 207 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:04:40,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2022-07-19 12:04:40,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 8953. [2022-07-19 12:04:40,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8952 states have (on average 1.1907953529937445) internal successors, (10660), 8952 states have internal predecessors, (10660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 10660 transitions. [2022-07-19 12:04:40,233 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 10660 transitions. Word has length 224 [2022-07-19 12:04:40,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:40,233 INFO L495 AbstractCegarLoop]: Abstraction has 8953 states and 10660 transitions. [2022-07-19 12:04:40,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 4 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 10660 transitions. [2022-07-19 12:04:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-19 12:04:40,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:40,237 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:40,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 12:04:40,237 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:40,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:40,238 INFO L85 PathProgramCache]: Analyzing trace with hash -205904018, now seen corresponding path program 1 times [2022-07-19 12:04:40,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:40,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209913593] [2022-07-19 12:04:40,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:40,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:40,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:40,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209913593] [2022-07-19 12:04:40,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209913593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:40,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:40,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:04:40,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773597047] [2022-07-19 12:04:40,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:40,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:40,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:40,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:40,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:40,334 INFO L87 Difference]: Start difference. First operand 8953 states and 10660 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 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) [2022-07-19 12:04:41,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:41,408 INFO L93 Difference]: Finished difference Result 22715 states and 27384 transitions. [2022-07-19 12:04:41,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:41,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 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 234 [2022-07-19 12:04:41,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:41,430 INFO L225 Difference]: With dead ends: 22715 [2022-07-19 12:04:41,431 INFO L226 Difference]: Without dead ends: 13764 [2022-07-19 12:04:41,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:41,443 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 325 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:41,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 122 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:04:41,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13764 states. [2022-07-19 12:04:41,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13764 to 13378. [2022-07-19 12:04:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13378 states, 13377 states have (on average 1.1921955595424982) internal successors, (15948), 13377 states have internal predecessors, (15948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13378 states to 13378 states and 15948 transitions. [2022-07-19 12:04:41,588 INFO L78 Accepts]: Start accepts. Automaton has 13378 states and 15948 transitions. Word has length 234 [2022-07-19 12:04:41,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:41,588 INFO L495 AbstractCegarLoop]: Abstraction has 13378 states and 15948 transitions. [2022-07-19 12:04:41,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 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) [2022-07-19 12:04:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 13378 states and 15948 transitions. [2022-07-19 12:04:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-19 12:04:41,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:41,591 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:41,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 12:04:41,592 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:41,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:41,593 INFO L85 PathProgramCache]: Analyzing trace with hash 947970210, now seen corresponding path program 1 times [2022-07-19 12:04:41,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:41,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167733967] [2022-07-19 12:04:41,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:41,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:41,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:41,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167733967] [2022-07-19 12:04:41,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167733967] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:41,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096075760] [2022-07-19 12:04:41,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:41,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:41,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:41,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:41,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 12:04:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:41,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-19 12:04:41,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:42,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:04:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:43,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096075760] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:04:43,515 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:04:43,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-07-19 12:04:43,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359229410] [2022-07-19 12:04:43,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:04:43,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 12:04:43,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:43,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 12:04:43,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-07-19 12:04:43,517 INFO L87 Difference]: Start difference. First operand 13378 states and 15948 transitions. Second operand has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:46,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:46,416 INFO L93 Difference]: Finished difference Result 28562 states and 34300 transitions. [2022-07-19 12:04:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 12:04:46,417 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 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 236 [2022-07-19 12:04:46,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:46,438 INFO L225 Difference]: With dead ends: 28562 [2022-07-19 12:04:46,439 INFO L226 Difference]: Without dead ends: 15174 [2022-07-19 12:04:46,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 464 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2022-07-19 12:04:46,452 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1187 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4901 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 5451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 4901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:46,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 165 Invalid, 5451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [550 Valid, 4901 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-19 12:04:46,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15174 states. [2022-07-19 12:04:46,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15174 to 13530. [2022-07-19 12:04:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13530 states, 13529 states have (on average 1.1665311552960307) internal successors, (15782), 13529 states have internal predecessors, (15782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15782 transitions. [2022-07-19 12:04:46,644 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15782 transitions. Word has length 236 [2022-07-19 12:04:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:46,644 INFO L495 AbstractCegarLoop]: Abstraction has 13530 states and 15782 transitions. [2022-07-19 12:04:46,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 10 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15782 transitions. [2022-07-19 12:04:46,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-19 12:04:46,648 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:46,648 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:46,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 12:04:46,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-19 12:04:46,866 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:46,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:46,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1148903582, now seen corresponding path program 1 times [2022-07-19 12:04:46,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:46,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719522022] [2022-07-19 12:04:46,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:46,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 95 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:46,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:46,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719522022] [2022-07-19 12:04:46,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719522022] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:46,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778710907] [2022-07-19 12:04:46,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:46,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:46,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:46,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:46,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 12:04:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:47,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 12:04:47,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:47,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:04:47,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778710907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:47,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:04:47,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-19 12:04:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355357347] [2022-07-19 12:04:47,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:47,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:47,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:47,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:47,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:04:47,449 INFO L87 Difference]: Start difference. First operand 13530 states and 15782 transitions. Second operand has 4 states, 4 states have (on average 63.75) 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) [2022-07-19 12:04:48,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:48,210 INFO L93 Difference]: Finished difference Result 27246 states and 31762 transitions. [2022-07-19 12:04:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:48,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.75) 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 255 [2022-07-19 12:04:48,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:48,227 INFO L225 Difference]: With dead ends: 27246 [2022-07-19 12:04:48,227 INFO L226 Difference]: Without dead ends: 13718 [2022-07-19 12:04:48,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:04:48,239 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 166 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:48,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 164 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:04:48,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13718 states. [2022-07-19 12:04:48,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13718 to 13530. [2022-07-19 12:04:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13530 states, 13529 states have (on average 1.1652006800206962) internal successors, (15764), 13529 states have internal predecessors, (15764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13530 states to 13530 states and 15764 transitions. [2022-07-19 12:04:48,365 INFO L78 Accepts]: Start accepts. Automaton has 13530 states and 15764 transitions. Word has length 255 [2022-07-19 12:04:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:48,366 INFO L495 AbstractCegarLoop]: Abstraction has 13530 states and 15764 transitions. [2022-07-19 12:04:48,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) 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) [2022-07-19 12:04:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 13530 states and 15764 transitions. [2022-07-19 12:04:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-07-19 12:04:48,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:48,370 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-19 12:04:48,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 12:04:48,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-19 12:04:48,586 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:48,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:48,587 INFO L85 PathProgramCache]: Analyzing trace with hash -632041158, now seen corresponding path program 1 times [2022-07-19 12:04:48,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:48,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674302967] [2022-07-19 12:04:48,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:48,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-19 12:04:48,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:48,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674302967] [2022-07-19 12:04:48,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674302967] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:48,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:48,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:48,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20113682] [2022-07-19 12:04:48,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:48,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:48,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:48,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:48,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:48,667 INFO L87 Difference]: Start difference. First operand 13530 states and 15764 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:49,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:49,227 INFO L93 Difference]: Finished difference Result 25732 states and 30045 transitions. [2022-07-19 12:04:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:49,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2022-07-19 12:04:49,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:49,243 INFO L225 Difference]: With dead ends: 25732 [2022-07-19 12:04:49,243 INFO L226 Difference]: Without dead ends: 12204 [2022-07-19 12:04:49,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:49,253 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 168 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:49,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 132 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 12:04:49,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12204 states. [2022-07-19 12:04:49,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12204 to 10913. [2022-07-19 12:04:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10913 states, 10912 states have (on average 1.1198680351906158) internal successors, (12220), 10912 states have internal predecessors, (12220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10913 states to 10913 states and 12220 transitions. [2022-07-19 12:04:49,362 INFO L78 Accepts]: Start accepts. Automaton has 10913 states and 12220 transitions. Word has length 271 [2022-07-19 12:04:49,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:49,362 INFO L495 AbstractCegarLoop]: Abstraction has 10913 states and 12220 transitions. [2022-07-19 12:04:49,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10913 states and 12220 transitions. [2022-07-19 12:04:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-07-19 12:04:49,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:49,366 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:49,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 12:04:49,366 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:49,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:49,367 INFO L85 PathProgramCache]: Analyzing trace with hash 323334857, now seen corresponding path program 1 times [2022-07-19 12:04:49,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:49,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021918604] [2022-07-19 12:04:49,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:49,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:04:49,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:49,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021918604] [2022-07-19 12:04:49,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021918604] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:04:49,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381710004] [2022-07-19 12:04:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:49,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:49,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:04:49,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:04:49,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 12:04:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:49,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:04:49,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:04:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-19 12:04:49,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:04:49,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381710004] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:49,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:04:49,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-19 12:04:49,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998477729] [2022-07-19 12:04:49,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:49,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:49,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:49,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:49,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:04:49,817 INFO L87 Difference]: Start difference. First operand 10913 states and 12220 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:50,300 INFO L93 Difference]: Finished difference Result 22196 states and 24830 transitions. [2022-07-19 12:04:50,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:50,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 293 [2022-07-19 12:04:50,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:50,311 INFO L225 Difference]: With dead ends: 22196 [2022-07-19 12:04:50,311 INFO L226 Difference]: Without dead ends: 11101 [2022-07-19 12:04:50,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:04:50,318 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 98 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:50,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 361 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 12:04:50,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11101 states. [2022-07-19 12:04:50,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11101 to 10729. [2022-07-19 12:04:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10729 states, 10728 states have (on average 1.1189410887397464) internal successors, (12004), 10728 states have internal predecessors, (12004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10729 states to 10729 states and 12004 transitions. [2022-07-19 12:04:50,404 INFO L78 Accepts]: Start accepts. Automaton has 10729 states and 12004 transitions. Word has length 293 [2022-07-19 12:04:50,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:50,404 INFO L495 AbstractCegarLoop]: Abstraction has 10729 states and 12004 transitions. [2022-07-19 12:04:50,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 10729 states and 12004 transitions. [2022-07-19 12:04:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-19 12:04:50,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:50,409 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:50,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 12:04:50,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:04:50,626 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:50,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1215708833, now seen corresponding path program 1 times [2022-07-19 12:04:50,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:50,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134486013] [2022-07-19 12:04:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:50,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-19 12:04:50,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:50,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134486013] [2022-07-19 12:04:50,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134486013] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:50,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:50,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:04:50,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428394719] [2022-07-19 12:04:50,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:50,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:50,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:50,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:50,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:50,715 INFO L87 Difference]: Start difference. First operand 10729 states and 12004 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:51,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:51,740 INFO L93 Difference]: Finished difference Result 26254 states and 29361 transitions. [2022-07-19 12:04:51,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:51,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 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 309 [2022-07-19 12:04:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:51,753 INFO L225 Difference]: With dead ends: 26254 [2022-07-19 12:04:51,753 INFO L226 Difference]: Without dead ends: 15343 [2022-07-19 12:04:51,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:51,760 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 341 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:51,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 70 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 12:04:51,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15343 states. [2022-07-19 12:04:51,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15343 to 14231. [2022-07-19 12:04:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14231 states, 14230 states have (on average 1.1139142656359804) internal successors, (15851), 14230 states have internal predecessors, (15851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14231 states to 14231 states and 15851 transitions. [2022-07-19 12:04:51,895 INFO L78 Accepts]: Start accepts. Automaton has 14231 states and 15851 transitions. Word has length 309 [2022-07-19 12:04:51,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:51,895 INFO L495 AbstractCegarLoop]: Abstraction has 14231 states and 15851 transitions. [2022-07-19 12:04:51,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:51,896 INFO L276 IsEmpty]: Start isEmpty. Operand 14231 states and 15851 transitions. [2022-07-19 12:04:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-19 12:04:51,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:51,901 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:51,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 12:04:51,901 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:51,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:51,902 INFO L85 PathProgramCache]: Analyzing trace with hash 384501595, now seen corresponding path program 1 times [2022-07-19 12:04:51,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:51,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597168398] [2022-07-19 12:04:51,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:51,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-19 12:04:51,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:51,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597168398] [2022-07-19 12:04:51,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597168398] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:51,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:51,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:51,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807735801] [2022-07-19 12:04:51,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:51,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:51,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:51,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:51,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:51,987 INFO L87 Difference]: Start difference. First operand 14231 states and 15851 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:52,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:52,627 INFO L93 Difference]: Finished difference Result 30493 states and 33970 transitions. [2022-07-19 12:04:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:52,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 320 [2022-07-19 12:04:52,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:52,645 INFO L225 Difference]: With dead ends: 30493 [2022-07-19 12:04:52,645 INFO L226 Difference]: Without dead ends: 16264 [2022-07-19 12:04:52,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:52,656 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 195 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:52,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 119 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 12:04:52,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16264 states. [2022-07-19 12:04:52,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16264 to 14043. [2022-07-19 12:04:52,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14043 states, 14042 states have (on average 1.1135165930779092) internal successors, (15636), 14042 states have internal predecessors, (15636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14043 states to 14043 states and 15636 transitions. [2022-07-19 12:04:52,812 INFO L78 Accepts]: Start accepts. Automaton has 14043 states and 15636 transitions. Word has length 320 [2022-07-19 12:04:52,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:52,812 INFO L495 AbstractCegarLoop]: Abstraction has 14043 states and 15636 transitions. [2022-07-19 12:04:52,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 14043 states and 15636 transitions. [2022-07-19 12:04:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-19 12:04:52,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:52,818 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:52,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 12:04:52,819 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:52,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:52,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1637860003, now seen corresponding path program 1 times [2022-07-19 12:04:52,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:52,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891230676] [2022-07-19 12:04:52,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:52,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2022-07-19 12:04:52,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:52,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891230676] [2022-07-19 12:04:52,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891230676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:52,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:52,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:52,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496862990] [2022-07-19 12:04:52,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:52,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:52,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:52,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:52,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:52,898 INFO L87 Difference]: Start difference. First operand 14043 states and 15636 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:53,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:53,573 INFO L93 Difference]: Finished difference Result 29188 states and 32492 transitions. [2022-07-19 12:04:53,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:53,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 327 [2022-07-19 12:04:53,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:53,587 INFO L225 Difference]: With dead ends: 29188 [2022-07-19 12:04:53,588 INFO L226 Difference]: Without dead ends: 15147 [2022-07-19 12:04:53,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:53,610 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:53,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 110 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 12:04:53,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15147 states. [2022-07-19 12:04:53,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15147 to 13117. [2022-07-19 12:04:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13117 states, 13116 states have (on average 1.112458066483684) internal successors, (14591), 13116 states have internal predecessors, (14591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13117 states to 13117 states and 14591 transitions. [2022-07-19 12:04:53,904 INFO L78 Accepts]: Start accepts. Automaton has 13117 states and 14591 transitions. Word has length 327 [2022-07-19 12:04:53,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:53,904 INFO L495 AbstractCegarLoop]: Abstraction has 13117 states and 14591 transitions. [2022-07-19 12:04:53,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 13117 states and 14591 transitions. [2022-07-19 12:04:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-19 12:04:53,924 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:53,924 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:53,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 12:04:53,925 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:53,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash -694285539, now seen corresponding path program 1 times [2022-07-19 12:04:53,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:53,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555502637] [2022-07-19 12:04:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:53,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-19 12:04:54,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:54,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555502637] [2022-07-19 12:04:54,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555502637] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:54,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:54,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:54,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516811122] [2022-07-19 12:04:54,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:54,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:04:54,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:54,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:04:54,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:54,093 INFO L87 Difference]: Start difference. First operand 13117 states and 14591 transitions. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:55,091 INFO L93 Difference]: Finished difference Result 34708 states and 38542 transitions. [2022-07-19 12:04:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:04:55,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 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 349 [2022-07-19 12:04:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:55,114 INFO L225 Difference]: With dead ends: 34708 [2022-07-19 12:04:55,115 INFO L226 Difference]: Without dead ends: 21225 [2022-07-19 12:04:55,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:04:55,132 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 200 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:55,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 57 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 12:04:55,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21225 states. [2022-07-19 12:04:55,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21225 to 21037. [2022-07-19 12:04:55,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21037 states, 21036 states have (on average 1.1072447233314318) internal successors, (23292), 21036 states have internal predecessors, (23292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21037 states to 21037 states and 23292 transitions. [2022-07-19 12:04:55,599 INFO L78 Accepts]: Start accepts. Automaton has 21037 states and 23292 transitions. Word has length 349 [2022-07-19 12:04:55,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:55,600 INFO L495 AbstractCegarLoop]: Abstraction has 21037 states and 23292 transitions. [2022-07-19 12:04:55,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 21037 states and 23292 transitions. [2022-07-19 12:04:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-19 12:04:55,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:55,627 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:04:55,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 12:04:55,628 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:55,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:55,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1678028432, now seen corresponding path program 1 times [2022-07-19 12:04:55,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:55,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336500522] [2022-07-19 12:04:55,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:55,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:55,822 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-07-19 12:04:55,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:55,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336500522] [2022-07-19 12:04:55,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336500522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:55,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:55,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:55,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833085027] [2022-07-19 12:04:55,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:55,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:55,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:55,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:55,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:55,825 INFO L87 Difference]: Start difference. First operand 21037 states and 23292 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:56,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:56,594 INFO L93 Difference]: Finished difference Result 42253 states and 46777 transitions. [2022-07-19 12:04:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:56,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 385 [2022-07-19 12:04:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:56,614 INFO L225 Difference]: With dead ends: 42253 [2022-07-19 12:04:56,615 INFO L226 Difference]: Without dead ends: 24164 [2022-07-19 12:04:56,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:56,624 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 197 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:56,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 128 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:04:56,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24164 states. [2022-07-19 12:04:56,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24164 to 15696. [2022-07-19 12:04:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15696 states, 15695 states have (on average 1.1086333227142402) internal successors, (17400), 15695 states have internal predecessors, (17400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15696 states to 15696 states and 17400 transitions. [2022-07-19 12:04:56,836 INFO L78 Accepts]: Start accepts. Automaton has 15696 states and 17400 transitions. Word has length 385 [2022-07-19 12:04:56,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:56,837 INFO L495 AbstractCegarLoop]: Abstraction has 15696 states and 17400 transitions. [2022-07-19 12:04:56,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 15696 states and 17400 transitions. [2022-07-19 12:04:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-07-19 12:04:56,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:56,885 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:04:56,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 12:04:56,886 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:56,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:56,886 INFO L85 PathProgramCache]: Analyzing trace with hash -404909594, now seen corresponding path program 1 times [2022-07-19 12:04:56,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:56,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212356911] [2022-07-19 12:04:56,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:56,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2022-07-19 12:04:57,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:57,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212356911] [2022-07-19 12:04:57,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212356911] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:57,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:57,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:04:57,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790043657] [2022-07-19 12:04:57,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:57,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:04:57,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:57,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:04:57,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:57,138 INFO L87 Difference]: Start difference. First operand 15696 states and 17400 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:57,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:04:57,994 INFO L93 Difference]: Finished difference Result 30853 states and 34231 transitions. [2022-07-19 12:04:57,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:04:57,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 438 [2022-07-19 12:04:57,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:04:58,010 INFO L225 Difference]: With dead ends: 30853 [2022-07-19 12:04:58,011 INFO L226 Difference]: Without dead ends: 15527 [2022-07-19 12:04:58,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:04:58,021 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 112 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:04:58,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 146 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:04:58,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states. [2022-07-19 12:04:58,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 14408. [2022-07-19 12:04:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14408 states, 14407 states have (on average 1.1028666620392864) internal successors, (15889), 14407 states have internal predecessors, (15889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 15889 transitions. [2022-07-19 12:04:58,230 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 15889 transitions. Word has length 438 [2022-07-19 12:04:58,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:04:58,233 INFO L495 AbstractCegarLoop]: Abstraction has 14408 states and 15889 transitions. [2022-07-19 12:04:58,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:04:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 15889 transitions. [2022-07-19 12:04:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-19 12:04:58,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:04:58,269 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:04:58,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-19 12:04:58,270 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:04:58,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:04:58,270 INFO L85 PathProgramCache]: Analyzing trace with hash 77941500, now seen corresponding path program 1 times [2022-07-19 12:04:58,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:04:58,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40327768] [2022-07-19 12:04:58,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:04:58,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:04:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:04:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-19 12:04:58,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:04:58,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40327768] [2022-07-19 12:04:58,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40327768] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:04:58,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:04:58,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 12:04:58,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094359530] [2022-07-19 12:04:58,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:04:58,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 12:04:58,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:04:58,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 12:04:58,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:04:58,687 INFO L87 Difference]: Start difference. First operand 14408 states and 15889 transitions. Second operand has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:00,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:00,080 INFO L93 Difference]: Finished difference Result 34173 states and 37671 transitions. [2022-07-19 12:05:00,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 12:05:00,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 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 487 [2022-07-19 12:05:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:00,101 INFO L225 Difference]: With dead ends: 34173 [2022-07-19 12:05:00,101 INFO L226 Difference]: Without dead ends: 19951 [2022-07-19 12:05:00,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:05:00,127 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 386 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:00,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 80 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:05:00,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19951 states. [2022-07-19 12:05:00,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19951 to 16063. [2022-07-19 12:05:00,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16063 states, 16062 states have (on average 1.0988668907981571) internal successors, (17650), 16062 states have internal predecessors, (17650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16063 states to 16063 states and 17650 transitions. [2022-07-19 12:05:00,490 INFO L78 Accepts]: Start accepts. Automaton has 16063 states and 17650 transitions. Word has length 487 [2022-07-19 12:05:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:00,491 INFO L495 AbstractCegarLoop]: Abstraction has 16063 states and 17650 transitions. [2022-07-19 12:05:00,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 16063 states and 17650 transitions. [2022-07-19 12:05:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-07-19 12:05:00,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:00,505 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:00,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-19 12:05:00,505 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:00,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:00,506 INFO L85 PathProgramCache]: Analyzing trace with hash 380464736, now seen corresponding path program 1 times [2022-07-19 12:05:00,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:00,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953329400] [2022-07-19 12:05:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:00,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-19 12:05:00,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:00,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953329400] [2022-07-19 12:05:00,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953329400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:00,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:00,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 12:05:00,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695805556] [2022-07-19 12:05:00,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:00,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 12:05:00,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:00,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 12:05:00,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:05:00,823 INFO L87 Difference]: Start difference. First operand 16063 states and 17650 transitions. Second operand has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:02,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:02,333 INFO L93 Difference]: Finished difference Result 33422 states and 36705 transitions. [2022-07-19 12:05:02,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 12:05:02,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 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 491 [2022-07-19 12:05:02,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:02,385 INFO L225 Difference]: With dead ends: 33422 [2022-07-19 12:05:02,389 INFO L226 Difference]: Without dead ends: 17545 [2022-07-19 12:05:02,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:05:02,402 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 385 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:02,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 65 Invalid, 1666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 12:05:02,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17545 states. [2022-07-19 12:05:02,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17545 to 11454. [2022-07-19 12:05:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11454 states, 11453 states have (on average 1.0977036584301056) internal successors, (12572), 11453 states have internal predecessors, (12572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11454 states to 11454 states and 12572 transitions. [2022-07-19 12:05:02,550 INFO L78 Accepts]: Start accepts. Automaton has 11454 states and 12572 transitions. Word has length 491 [2022-07-19 12:05:02,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:02,550 INFO L495 AbstractCegarLoop]: Abstraction has 11454 states and 12572 transitions. [2022-07-19 12:05:02,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.6) internal successors, (388), 5 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 11454 states and 12572 transitions. [2022-07-19 12:05:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-07-19 12:05:02,561 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:02,562 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:02,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-19 12:05:02,562 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:02,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:02,563 INFO L85 PathProgramCache]: Analyzing trace with hash 930769197, now seen corresponding path program 1 times [2022-07-19 12:05:02,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:02,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155499025] [2022-07-19 12:05:02,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:02,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:02,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-07-19 12:05:02,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:02,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155499025] [2022-07-19 12:05:02,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155499025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:02,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:02,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:02,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183976428] [2022-07-19 12:05:02,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:02,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:02,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:02,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:02,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:02,876 INFO L87 Difference]: Start difference. First operand 11454 states and 12572 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:03,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:03,744 INFO L93 Difference]: Finished difference Result 24377 states and 26715 transitions. [2022-07-19 12:05:03,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:03,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 589 [2022-07-19 12:05:03,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:03,759 INFO L225 Difference]: With dead ends: 24377 [2022-07-19 12:05:03,775 INFO L226 Difference]: Without dead ends: 11819 [2022-07-19 12:05:03,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:03,800 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 192 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:03,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 321 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:05:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11819 states. [2022-07-19 12:05:03,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11819 to 11451. [2022-07-19 12:05:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11451 states, 11450 states have (on average 1.0831441048034935) internal successors, (12402), 11450 states have internal predecessors, (12402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 12402 transitions. [2022-07-19 12:05:03,929 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 12402 transitions. Word has length 589 [2022-07-19 12:05:03,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:03,943 INFO L495 AbstractCegarLoop]: Abstraction has 11451 states and 12402 transitions. [2022-07-19 12:05:03,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 12402 transitions. [2022-07-19 12:05:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2022-07-19 12:05:03,954 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:05:03,954 INFO L195 NwaCegarLoop]: trace histogram [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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:03,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-19 12:05:03,955 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:05:03,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:05:03,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1987991014, now seen corresponding path program 1 times [2022-07-19 12:05:03,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:05:03,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941741925] [2022-07-19 12:05:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:05:03,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:05:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:05:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 948 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-07-19 12:05:04,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:05:04,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941741925] [2022-07-19 12:05:04,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941741925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:05:04,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:05:04,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:05:04,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412311258] [2022-07-19 12:05:04,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:05:04,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:05:04,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:05:04,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:05:04,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:04,357 INFO L87 Difference]: Start difference. First operand 11451 states and 12402 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:05,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:05:05,006 INFO L93 Difference]: Finished difference Result 23264 states and 25170 transitions. [2022-07-19 12:05:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:05:05,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 703 [2022-07-19 12:05:05,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:05:05,007 INFO L225 Difference]: With dead ends: 23264 [2022-07-19 12:05:05,007 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 12:05:05,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:05:05,017 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 61 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:05:05,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 93 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 12:05:05,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 12:05:05,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 12:05:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 12:05:05,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 703 [2022-07-19 12:05:05,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:05:05,019 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 12:05:05,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 12:05:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 12:05:05,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 12:05:05,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 12:05:05,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-19 12:05:05,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 12:05:10,578 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 640 DAG size of output: 609 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,881 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,882 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse25 (+ ~a23~0 43))) (let ((.cse24 (= ~a25~0 12)) (.cse20 (<= .cse25 0)) (.cse13 (= ~a25~0 11)) (.cse7 (<= ~a25~0 10)) (.cse8 (= ~a3~0 1)) (.cse15 (not (<= ~a29~0 277))) (.cse16 (= ~a4~0 1)) (.cse10 (= ~a8~0 15))) (let ((.cse0 (or (and .cse13 .cse8 .cse15 .cse16 .cse10) (and .cse7 .cse8 .cse15 .cse16 (<= ~a25~0 9) .cse10))) (.cse22 (<= ~a29~0 275)) (.cse18 (<= 307 ~a23~0)) (.cse14 (<= ~a29~0 599999)) (.cse3 (<= 10 ~a25~0)) (.cse21 (<= ~a29~0 245)) (.cse11 (<= (+ ~a29~0 21) 0)) (.cse2 (not .cse20)) (.cse19 (or (= ~a25~0 13) .cse24)) (.cse4 (<= ~a29~0 140)) (.cse6 (< 0 .cse25)) (.cse1 (<= ~a23~0 138)) (.cse9 (<= ~a29~0 220)) (.cse17 (<= ~a29~0 384312)) (.cse5 (= ~a4~0 0)) (.cse23 (= ~a25~0 9)) (.cse12 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse1 .cse9 .cse10) (and .cse11 .cse3 .cse5 .cse7 .cse8 .cse9 .cse12 .cse10) (and .cse4 .cse5 .cse13 .cse8 .cse12 .cse10) (and .cse7 .cse14 .cse8 .cse15 .cse16 .cse10) (and .cse13 .cse14 .cse8 .cse16 .cse10) (and .cse7 .cse8 .cse16 (<= (+ ~a29~0 287232) 0) (<= 312 ~a23~0) .cse10) (and .cse3 (<= (+ 28300 ~a29~0) 0) .cse5 .cse7 .cse8 .cse10) (and .cse5 .cse13 .cse14 .cse8 .cse15 .cse12 .cse10) (and .cse0 (<= (+ ~a23~0 599772) 0)) (and .cse17 .cse18 .cse8 .cse16 .cse10 .cse19) (and .cse20 .cse8 .cse16 (<= 214883 ~a29~0) .cse10 (= ~a25~0 10)) (and .cse21 .cse8 .cse16 .cse10 .cse19) (and .cse22 .cse23 .cse8 .cse16 .cse10) (and .cse22 .cse24 .cse5 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse6 (<= 141 ~a29~0)) .cse8 .cse10) (and .cse3 .cse18 .cse7 .cse14 .cse8 .cse16 .cse10) (and .cse17 .cse8 .cse15 .cse16 .cse10 .cse19) (and .cse3 .cse7 .cse21 .cse8 .cse16 .cse10) (and .cse17 .cse23 .cse8 .cse16 .cse12 .cse10) (and .cse11 .cse5 .cse23 .cse8 .cse9 .cse12 .cse10) (and .cse11 .cse5 .cse8 .cse1 .cse2 .cse10 .cse19) (and .cse4 .cse5 .cse6 .cse23 .cse8 .cse1 .cse9 .cse10) (and .cse17 .cse5 (< 277 ~a29~0) .cse23 .cse8 .cse12 .cse10))))) [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,883 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-19 12:05:19,884 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse25 (+ ~a23~0 43))) (let ((.cse24 (= ~a25~0 12)) (.cse20 (<= .cse25 0)) (.cse13 (= ~a25~0 11)) (.cse7 (<= ~a25~0 10)) (.cse8 (= ~a3~0 1)) (.cse15 (not (<= ~a29~0 277))) (.cse16 (= ~a4~0 1)) (.cse10 (= ~a8~0 15))) (let ((.cse0 (or (and .cse13 .cse8 .cse15 .cse16 .cse10) (and .cse7 .cse8 .cse15 .cse16 (<= ~a25~0 9) .cse10))) (.cse22 (<= ~a29~0 275)) (.cse18 (<= 307 ~a23~0)) (.cse14 (<= ~a29~0 599999)) (.cse3 (<= 10 ~a25~0)) (.cse21 (<= ~a29~0 245)) (.cse11 (<= (+ ~a29~0 21) 0)) (.cse2 (not .cse20)) (.cse19 (or (= ~a25~0 13) .cse24)) (.cse4 (<= ~a29~0 140)) (.cse6 (< 0 .cse25)) (.cse1 (<= ~a23~0 138)) (.cse9 (<= ~a29~0 220)) (.cse17 (<= ~a29~0 384312)) (.cse5 (= ~a4~0 0)) (.cse23 (= ~a25~0 9)) (.cse12 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse1 .cse9 .cse10) (and .cse11 .cse3 .cse5 .cse7 .cse8 .cse9 .cse12 .cse10) (and .cse4 .cse5 .cse13 .cse8 .cse12 .cse10) (and .cse7 .cse14 .cse8 .cse15 .cse16 .cse10) (and .cse13 .cse14 .cse8 .cse16 .cse10) (and .cse7 .cse8 .cse16 (<= (+ ~a29~0 287232) 0) (<= 312 ~a23~0) .cse10) (and .cse3 (<= (+ 28300 ~a29~0) 0) .cse5 .cse7 .cse8 .cse10) (and .cse5 .cse13 .cse14 .cse8 .cse15 .cse12 .cse10) (and .cse0 (<= (+ ~a23~0 599772) 0)) (and .cse17 .cse18 .cse8 .cse16 .cse10 .cse19) (and .cse20 .cse8 .cse16 (<= 214883 ~a29~0) .cse10 (= ~a25~0 10)) (and .cse21 .cse8 .cse16 .cse10 .cse19) (and .cse22 .cse23 .cse8 .cse16 .cse10) (and .cse22 .cse24 .cse5 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse6 (<= 141 ~a29~0)) .cse8 .cse10) (and .cse3 .cse18 .cse7 .cse14 .cse8 .cse16 .cse10) (and .cse17 .cse8 .cse15 .cse16 .cse10 .cse19) (and .cse3 .cse7 .cse21 .cse8 .cse16 .cse10) (and .cse17 .cse23 .cse8 .cse16 .cse12 .cse10) (and .cse11 .cse5 .cse23 .cse8 .cse9 .cse12 .cse10) (and .cse11 .cse5 .cse8 .cse1 .cse2 .cse10 .cse19) (and .cse4 .cse5 .cse6 .cse23 .cse8 .cse1 .cse9 .cse10) (and .cse17 .cse5 (< 277 ~a29~0) .cse23 .cse8 .cse12 .cse10))))) [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,885 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,886 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,887 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,887 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,887 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,887 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,887 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-19 12:05:19,887 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-19 12:05:19,887 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,887 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,901 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-19 12:05:19,901 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,902 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,903 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,903 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-19 12:05:19,903 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-19 12:05:19,903 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-19 12:05:19,903 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-19 12:05:19,903 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,904 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,905 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,906 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,907 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-19 12:05:19,908 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-19 12:05:19,909 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,910 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-19 12:05:19,911 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,912 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 12:05:19,912 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,912 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,912 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,912 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,912 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,913 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-19 12:05:19,913 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-19 12:05:19,913 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,914 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,915 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-19 12:05:19,915 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-19 12:05:19,915 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-19 12:05:19,916 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-19 12:05:19,916 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-19 12:05:19,916 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-19 12:05:19,916 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,916 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,916 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,917 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,917 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,918 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,918 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,918 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-19 12:05:19,918 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-19 12:05:19,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 12:05:19,918 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,918 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,922 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-19 12:05:19,923 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-19 12:05:19,924 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-19 12:05:19,924 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-19 12:05:19,928 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:05:19,930 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 12:05:19,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 12:05:19 BoogieIcfgContainer [2022-07-19 12:05:20,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 12:05:20,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 12:05:20,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 12:05:20,016 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 12:05:20,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:04:32" (3/4) ... [2022-07-19 12:05:20,018 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 12:05:20,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 12:05:20,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 12:05:20,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 12:05:20,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 12:05:20,218 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 12:05:20,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 12:05:20,219 INFO L158 Benchmark]: Toolchain (without parser) took 50195.07ms. Allocated memory was 102.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 68.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2022-07-19 12:05:20,219 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 12:05:20,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 687.72ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 68.5MB in the beginning and 106.5MB in the end (delta: -38.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-07-19 12:05:20,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.42ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 89.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 12:05:20,220 INFO L158 Benchmark]: Boogie Preprocessor took 85.25ms. Allocated memory is still 138.4MB. Free memory was 89.0MB in the beginning and 80.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 12:05:20,220 INFO L158 Benchmark]: RCFGBuilder took 1169.07ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 81.6MB in the end (delta: -1.5MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-07-19 12:05:20,222 INFO L158 Benchmark]: TraceAbstraction took 47909.35ms. Allocated memory was 138.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 80.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 739.2MB. Max. memory is 16.1GB. [2022-07-19 12:05:20,222 INFO L158 Benchmark]: Witness Printer took 202.92ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 12:05:20,230 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 81.8MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 687.72ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 68.5MB in the beginning and 106.5MB in the end (delta: -38.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.42ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 89.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.25ms. Allocated memory is still 138.4MB. Free memory was 89.0MB in the beginning and 80.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1169.07ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 81.6MB in the end (delta: -1.5MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * TraceAbstraction took 47909.35ms. Allocated memory was 138.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 80.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 739.2MB. Max. memory is 16.1GB. * Witness Printer took 202.92ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 82]: 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: 47.8s, OverallIterations: 24, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5794 SdHoareTripleChecker+Valid, 19.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5794 mSDsluCounter, 4388 SdHoareTripleChecker+Invalid, 15.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 720 mSDsCounter, 3101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21840 IncrementalHoareTripleChecker+Invalid, 24941 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3101 mSolverCounterUnsat, 3668 mSDtfsCounter, 21840 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1103 GetRequests, 1047 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21037occurred in iteration=18, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 31845 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 167 NumberOfFragments, 1135 HoareAnnotationTreeSize, 3 FomulaSimplifications, 42632 FormulaSimplificationTreeSizeReduction, 9.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 95240 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 7790 NumberOfCodeBlocks, 7790 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 7998 ConstructedInterpolants, 0 QuantifiedInterpolants, 25243 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1168 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 28 InterpolantComputations, 23 PerfectInterpolantSequences, 7555/7783 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 == 11 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a25 <= 9) && a8 == 15)) && a23 <= 138) && !(a23 + 43 <= 0)) || ((((((((10 <= a25 && a29 <= 140) && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || (((((((a29 + 21 <= 0 && 10 <= a25) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 <= 10 && a29 <= 599999) && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 <= 10 && a3 == 1) && a4 == 1) && a29 + 287232 <= 0) && 312 <= a23) && a8 == 15)) || (((((10 <= a25 && 28300 + a29 <= 0) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((((((a4 == 0 && a25 == 11) && a29 <= 599999) && a3 == 1) && !(a29 <= 277)) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a25 <= 9) && a8 == 15)) && a23 + 599772 <= 0)) || (((((a29 <= 384312 && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || ((((a29 <= 245 && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((a29 <= 275 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && a4 == 0) && ((!(input == 1) || 0 < a23 + 43) || 141 <= a29)) && a3 == 1) && a8 == 15)) || ((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((10 <= a25 && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && a25 == 9) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && a3 == 1) && a23 <= 138) && !(a23 + 43 <= 0)) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || ((((((a29 <= 384312 && a4 == 0) && 277 < a29) && a25 == 9) && a3 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a25 == 11 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a25 <= 9) && a8 == 15)) && a23 <= 138) && !(a23 + 43 <= 0)) || ((((((((10 <= a25 && a29 <= 140) && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || (((((((a29 + 21 <= 0 && 10 <= a25) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((a29 <= 140 && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 <= 10 && a29 <= 599999) && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 <= 10 && a3 == 1) && a4 == 1) && a29 + 287232 <= 0) && 312 <= a23) && a8 == 15)) || (((((10 <= a25 && 28300 + a29 <= 0) && a4 == 0) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((((((a4 == 0 && a25 == 11) && a29 <= 599999) && a3 == 1) && !(a29 <= 277)) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) || (((((a25 <= 10 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a25 <= 9) && a8 == 15)) && a23 + 599772 <= 0)) || (((((a29 <= 384312 && 307 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((a23 + 43 <= 0 && a3 == 1) && a4 == 1) && 214883 <= a29) && a8 == 15) && a25 == 10)) || ((((a29 <= 245 && a3 == 1) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || ((((a29 <= 275 && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && a4 == 0) && ((!(input == 1) || 0 < a23 + 43) || 141 <= a29)) && a3 == 1) && a8 == 15)) || ((((((10 <= a25 && 307 <= a23) && a25 <= 10) && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a3 == 1) && !(a29 <= 277)) && a4 == 1) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((10 <= a25 && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 384312 && a25 == 9) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && a25 == 9) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || ((((((a29 + 21 <= 0 && a4 == 0) && a3 == 1) && a23 <= 138) && !(a23 + 43 <= 0)) && a8 == 15) && (a25 == 13 || a25 == 12))) || (((((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 == 9) && a3 == 1) && a23 <= 138) && a29 <= 220) && a8 == 15)) || ((((((a29 <= 384312 && a4 == 0) && 277 < a29) && a25 == 9) && a3 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 12:05:20,287 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