./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label30.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 80c5c0aba72ae94b1a7faaff5d18dcb1975bca24b2cca6ada65386f045cad987 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 12:41:25,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 12:41:25,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 12:41:25,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 12:41:25,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 12:41:25,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 12:41:25,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 12:41:25,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 12:41:25,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 12:41:25,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 12:41:25,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 12:41:25,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 12:41:25,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 12:41:25,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 12:41:25,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 12:41:25,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 12:41:25,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 12:41:25,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 12:41:25,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 12:41:26,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 12:41:26,002 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 12:41:26,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 12:41:26,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 12:41:26,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 12:41:26,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 12:41:26,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 12:41:26,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 12:41:26,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 12:41:26,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 12:41:26,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 12:41:26,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 12:41:26,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 12:41:26,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 12:41:26,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 12:41:26,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 12:41:26,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 12:41:26,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 12:41:26,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 12:41:26,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 12:41:26,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 12:41:26,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 12:41:26,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 12:41:26,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 12:41:26,052 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 12:41:26,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 12:41:26,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 12:41:26,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 12:41:26,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 12:41:26,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 12:41:26,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 12:41:26,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 12:41:26,056 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 12:41:26,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 12:41:26,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 12:41:26,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 12:41:26,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 12:41:26,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 12:41:26,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 12:41:26,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 12:41:26,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 12:41:26,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 12:41:26,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 12:41:26,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 12:41:26,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 12:41:26,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 12:41:26,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 12:41:26,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 12:41:26,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 12:41:26,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 12:41:26,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 12:41:26,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 12:41:26,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 12:41:26,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 12:41:26,062 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 12:41:26,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 12:41:26,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 12:41:26,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c5c0aba72ae94b1a7faaff5d18dcb1975bca24b2cca6ada65386f045cad987 [2022-07-13 12:41:26,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 12:41:26,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 12:41:26,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 12:41:26,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 12:41:26,333 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 12:41:26,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label30.c [2022-07-13 12:41:26,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918fe2ebb/238261e72a944e718095074ce142f49c/FLAG18c73eeb2 [2022-07-13 12:41:26,940 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 12:41:26,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label30.c [2022-07-13 12:41:26,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918fe2ebb/238261e72a944e718095074ce142f49c/FLAG18c73eeb2 [2022-07-13 12:41:27,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918fe2ebb/238261e72a944e718095074ce142f49c [2022-07-13 12:41:27,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 12:41:27,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 12:41:27,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 12:41:27,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 12:41:27,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 12:41:27,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 12:41:27" (1/1) ... [2022-07-13 12:41:27,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3134d13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:27, skipping insertion in model container [2022-07-13 12:41:27,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 12:41:27" (1/1) ... [2022-07-13 12:41:27,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 12:41:27,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 12:41:27,648 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_label30.c[4279,4292] [2022-07-13 12:41:27,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 12:41:27,870 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 12:41:27,886 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_label30.c[4279,4292] [2022-07-13 12:41:27,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 12:41:27,995 INFO L208 MainTranslator]: Completed translation [2022-07-13 12:41:28,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28 WrapperNode [2022-07-13 12:41:28,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 12:41:28,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 12:41:28,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 12:41:28,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 12:41:28,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,145 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-13 12:41:28,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 12:41:28,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 12:41:28,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 12:41:28,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 12:41:28,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 12:41:28,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 12:41:28,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 12:41:28,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 12:41:28,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (1/1) ... [2022-07-13 12:41:28,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 12:41:28,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:41:28,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 12:41:28,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 12:41:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 12:41:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 12:41:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 12:41:28,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 12:41:28,401 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 12:41:28,402 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 12:41:29,684 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 12:41:29,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 12:41:29,701 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 12:41:29,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:41:29 BoogieIcfgContainer [2022-07-13 12:41:29,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 12:41:29,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 12:41:29,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 12:41:29,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 12:41:29,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 12:41:27" (1/3) ... [2022-07-13 12:41:29,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175e0fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 12:41:29, skipping insertion in model container [2022-07-13 12:41:29,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:41:28" (2/3) ... [2022-07-13 12:41:29,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175e0fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 12:41:29, skipping insertion in model container [2022-07-13 12:41:29,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:41:29" (3/3) ... [2022-07-13 12:41:29,711 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label30.c [2022-07-13 12:41:29,724 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 12:41:29,724 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 12:41:29,786 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 12:41:29,792 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@48dea2a8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4381649c [2022-07-13 12:41:29,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 12:41:29,803 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) [2022-07-13 12:41:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-13 12:41:29,811 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:29,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:29,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:29,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:29,817 INFO L85 PathProgramCache]: Analyzing trace with hash -748286455, now seen corresponding path program 1 times [2022-07-13 12:41:29,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:29,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162600194] [2022-07-13 12:41:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:29,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:30,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:30,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162600194] [2022-07-13 12:41:30,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162600194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:30,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:30,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:41:30,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529797841] [2022-07-13 12:41:30,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:30,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:30,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:30,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:30,091 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 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:31,035 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-07-13 12:41:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:31,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-07-13 12:41:31,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:31,049 INFO L225 Difference]: With dead ends: 776 [2022-07-13 12:41:31,050 INFO L226 Difference]: Without dead ends: 413 [2022-07-13 12:41:31,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:31,056 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 198 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:31,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 12:41:31,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-13 12:41:31,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-07-13 12:41:31,105 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) [2022-07-13 12:41:31,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-07-13 12:41:31,108 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 29 [2022-07-13 12:41:31,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:31,108 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-07-13 12:41:31,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-07-13 12:41:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-13 12:41:31,110 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:31,110 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:31,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 12:41:31,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:31,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:31,111 INFO L85 PathProgramCache]: Analyzing trace with hash -618924976, now seen corresponding path program 1 times [2022-07-13 12:41:31,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:31,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610229474] [2022-07-13 12:41:31,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:31,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:31,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:31,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610229474] [2022-07-13 12:41:31,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610229474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:31,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:31,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:41:31,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50750474] [2022-07-13 12:41:31,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:31,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:31,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:31,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:31,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:31,293 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:32,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:32,029 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-07-13 12:41:32,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:32,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-07-13 12:41:32,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:32,034 INFO L225 Difference]: With dead ends: 1209 [2022-07-13 12:41:32,034 INFO L226 Difference]: Without dead ends: 800 [2022-07-13 12:41:32,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:32,037 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:32,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:41:32,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-13 12:41:32,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-07-13 12:41:32,063 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) [2022-07-13 12:41:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2022-07-13 12:41:32,065 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 97 [2022-07-13 12:41:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:32,066 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2022-07-13 12:41:32,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2022-07-13 12:41:32,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-13 12:41:32,069 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:32,069 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:32,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 12:41:32,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:32,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:32,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2041606128, now seen corresponding path program 1 times [2022-07-13 12:41:32,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:32,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966786199] [2022-07-13 12:41:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:32,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:32,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:32,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966786199] [2022-07-13 12:41:32,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966786199] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:32,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:32,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:41:32,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653040615] [2022-07-13 12:41:32,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:32,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:32,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:32,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:32,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:32,228 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:32,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:32,864 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2022-07-13 12:41:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:32,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-07-13 12:41:32,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:32,870 INFO L225 Difference]: With dead ends: 1942 [2022-07-13 12:41:32,870 INFO L226 Difference]: Without dead ends: 1157 [2022-07-13 12:41:32,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:32,873 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 [2022-07-13 12:41:32,873 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] [2022-07-13 12:41:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-07-13 12:41:32,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-07-13 12:41:32,895 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) [2022-07-13 12:41:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2022-07-13 12:41:32,898 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 98 [2022-07-13 12:41:32,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:32,899 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2022-07-13 12:41:32,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2022-07-13 12:41:32,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-13 12:41:32,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:32,903 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:32,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 12:41:32,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:32,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:32,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1509869964, now seen corresponding path program 1 times [2022-07-13 12:41:32,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:32,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404875210] [2022-07-13 12:41:32,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:32,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:33,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:33,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404875210] [2022-07-13 12:41:33,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404875210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:33,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:33,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:33,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810890939] [2022-07-13 12:41:33,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:33,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:33,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:33,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:33,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:33,035 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:33,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:33,740 INFO L93 Difference]: Finished difference Result 2691 states and 3515 transitions. [2022-07-13 12:41:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:33,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2022-07-13 12:41:33,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:33,747 INFO L225 Difference]: With dead ends: 2691 [2022-07-13 12:41:33,748 INFO L226 Difference]: Without dead ends: 1721 [2022-07-13 12:41:33,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:33,750 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 177 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:33,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 336 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:41:33,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-07-13 12:41:33,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2022-07-13 12:41:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.261296660117878) internal successors, (1926), 1527 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1926 transitions. [2022-07-13 12:41:33,778 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1926 transitions. Word has length 141 [2022-07-13 12:41:33,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:33,779 INFO L495 AbstractCegarLoop]: Abstraction has 1528 states and 1926 transitions. [2022-07-13 12:41:33,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1926 transitions. [2022-07-13 12:41:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-13 12:41:33,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:33,781 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:33,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 12:41:33,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:33,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:33,783 INFO L85 PathProgramCache]: Analyzing trace with hash 808958387, now seen corresponding path program 1 times [2022-07-13 12:41:33,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:33,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38422653] [2022-07-13 12:41:33,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:33,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:33,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38422653] [2022-07-13 12:41:33,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38422653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:33,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:33,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:41:33,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017028142] [2022-07-13 12:41:33,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:33,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:33,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:33,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:33,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:33,933 INFO L87 Difference]: Start difference. First operand 1528 states and 1926 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:34,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:34,582 INFO L93 Difference]: Finished difference Result 4158 states and 5316 transitions. [2022-07-13 12:41:34,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:34,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2022-07-13 12:41:34,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:34,592 INFO L225 Difference]: With dead ends: 4158 [2022-07-13 12:41:34,592 INFO L226 Difference]: Without dead ends: 2632 [2022-07-13 12:41:34,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:34,599 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:34,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:41:34,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2022-07-13 12:41:34,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2448. [2022-07-13 12:41:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 2447 states have (on average 1.2174090723334696) internal successors, (2979), 2447 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2979 transitions. [2022-07-13 12:41:34,644 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 2979 transitions. Word has length 156 [2022-07-13 12:41:34,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:34,645 INFO L495 AbstractCegarLoop]: Abstraction has 2448 states and 2979 transitions. [2022-07-13 12:41:34,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2979 transitions. [2022-07-13 12:41:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-13 12:41:34,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:34,653 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:34,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 12:41:34,654 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:34,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:34,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1008669779, now seen corresponding path program 1 times [2022-07-13 12:41:34,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:34,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67079759] [2022-07-13 12:41:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:34,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:34,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:34,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67079759] [2022-07-13 12:41:34,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67079759] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:34,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:34,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:34,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783182395] [2022-07-13 12:41:34,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:34,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:34,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:34,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:34,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:34,779 INFO L87 Difference]: Start difference. First operand 2448 states and 2979 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:35,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:35,461 INFO L93 Difference]: Finished difference Result 5639 states and 6868 transitions. [2022-07-13 12:41:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:35,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-07-13 12:41:35,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:35,472 INFO L225 Difference]: With dead ends: 5639 [2022-07-13 12:41:35,472 INFO L226 Difference]: Without dead ends: 3193 [2022-07-13 12:41:35,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:35,479 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 172 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:35,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 359 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:41:35,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-07-13 12:41:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3184. [2022-07-13 12:41:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 3183 states have (on average 1.1991831605403707) internal successors, (3817), 3183 states have internal predecessors, (3817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3817 transitions. [2022-07-13 12:41:35,541 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3817 transitions. Word has length 172 [2022-07-13 12:41:35,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:35,542 INFO L495 AbstractCegarLoop]: Abstraction has 3184 states and 3817 transitions. [2022-07-13 12:41:35,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3817 transitions. [2022-07-13 12:41:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-13 12:41:35,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:35,545 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:35,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 12:41:35,545 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:35,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:35,546 INFO L85 PathProgramCache]: Analyzing trace with hash -966496715, now seen corresponding path program 1 times [2022-07-13 12:41:35,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:35,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779026404] [2022-07-13 12:41:35,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:35,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-13 12:41:35,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:35,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779026404] [2022-07-13 12:41:35,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779026404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:35,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:35,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:41:35,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363176680] [2022-07-13 12:41:35,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:35,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:35,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:35,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:35,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:35,722 INFO L87 Difference]: Start difference. First operand 3184 states and 3817 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:36,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:36,318 INFO L93 Difference]: Finished difference Result 7108 states and 8504 transitions. [2022-07-13 12:41:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:36,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 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 210 [2022-07-13 12:41:36,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:36,332 INFO L225 Difference]: With dead ends: 7108 [2022-07-13 12:41:36,333 INFO L226 Difference]: Without dead ends: 3926 [2022-07-13 12:41:36,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:36,338 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 37 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:36,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:41:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3926 states. [2022-07-13 12:41:36,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3925. [2022-07-13 12:41:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3925 states, 3924 states have (on average 1.193934760448522) internal successors, (4685), 3924 states have internal predecessors, (4685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 4685 transitions. [2022-07-13 12:41:36,404 INFO L78 Accepts]: Start accepts. Automaton has 3925 states and 4685 transitions. Word has length 210 [2022-07-13 12:41:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:36,404 INFO L495 AbstractCegarLoop]: Abstraction has 3925 states and 4685 transitions. [2022-07-13 12:41:36,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3925 states and 4685 transitions. [2022-07-13 12:41:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-13 12:41:36,429 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:36,430 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:36,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 12:41:36,430 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:36,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:36,431 INFO L85 PathProgramCache]: Analyzing trace with hash 471864344, now seen corresponding path program 1 times [2022-07-13 12:41:36,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:36,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797501142] [2022-07-13 12:41:36,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:36,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-13 12:41:36,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:36,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797501142] [2022-07-13 12:41:36,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797501142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:36,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:36,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:36,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919723971] [2022-07-13 12:41:36,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:36,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:36,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:36,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:36,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:36,552 INFO L87 Difference]: Start difference. First operand 3925 states and 4685 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:37,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:37,278 INFO L93 Difference]: Finished difference Result 8591 states and 10347 transitions. [2022-07-13 12:41:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:37,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 211 [2022-07-13 12:41:37,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:37,294 INFO L225 Difference]: With dead ends: 8591 [2022-07-13 12:41:37,295 INFO L226 Difference]: Without dead ends: 4668 [2022-07-13 12:41:37,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:37,301 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 168 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:37,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 390 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:41:37,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2022-07-13 12:41:37,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4477. [2022-07-13 12:41:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4477 states, 4476 states have (on average 1.1861036639857014) internal successors, (5309), 4476 states have internal predecessors, (5309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:37,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 5309 transitions. [2022-07-13 12:41:37,396 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 5309 transitions. Word has length 211 [2022-07-13 12:41:37,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:37,396 INFO L495 AbstractCegarLoop]: Abstraction has 4477 states and 5309 transitions. [2022-07-13 12:41:37,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 5309 transitions. [2022-07-13 12:41:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-07-13 12:41:37,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:37,400 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:41:37,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 12:41:37,400 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:37,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:37,401 INFO L85 PathProgramCache]: Analyzing trace with hash 257378762, now seen corresponding path program 1 times [2022-07-13 12:41:37,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:37,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955297832] [2022-07-13 12:41:37,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:37,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:37,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:37,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955297832] [2022-07-13 12:41:37,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955297832] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:37,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:37,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 12:41:37,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732148723] [2022-07-13 12:41:37,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:37,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:37,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:37,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:37,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:37,533 INFO L87 Difference]: Start difference. First operand 4477 states and 5309 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:38,708 INFO L93 Difference]: Finished difference Result 14321 states and 17014 transitions. [2022-07-13 12:41:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:38,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2022-07-13 12:41:38,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:38,744 INFO L225 Difference]: With dead ends: 14321 [2022-07-13 12:41:38,744 INFO L226 Difference]: Without dead ends: 9846 [2022-07-13 12:41:38,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:38,751 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 309 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:38,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 191 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 12:41:38,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9846 states. [2022-07-13 12:41:38,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9846 to 7627. [2022-07-13 12:41:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7627 states, 7626 states have (on average 1.1702071859428271) internal successors, (8924), 7626 states have internal predecessors, (8924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:38,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7627 states to 7627 states and 8924 transitions. [2022-07-13 12:41:38,892 INFO L78 Accepts]: Start accepts. Automaton has 7627 states and 8924 transitions. Word has length 231 [2022-07-13 12:41:38,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:38,892 INFO L495 AbstractCegarLoop]: Abstraction has 7627 states and 8924 transitions. [2022-07-13 12:41:38,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand 7627 states and 8924 transitions. [2022-07-13 12:41:38,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-13 12:41:38,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:38,896 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:41:38,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 12:41:38,897 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:38,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:38,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1660657955, now seen corresponding path program 1 times [2022-07-13 12:41:38,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:38,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346166525] [2022-07-13 12:41:38,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:38,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:39,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:39,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346166525] [2022-07-13 12:41:39,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346166525] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:39,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:39,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 12:41:39,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883083830] [2022-07-13 12:41:39,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:39,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:39,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:39,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:39,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:39,053 INFO L87 Difference]: Start difference. First operand 7627 states and 8924 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:40,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:40,236 INFO L93 Difference]: Finished difference Result 20234 states and 23746 transitions. [2022-07-13 12:41:40,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:40,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 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 241 [2022-07-13 12:41:40,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:40,261 INFO L225 Difference]: With dead ends: 20234 [2022-07-13 12:41:40,261 INFO L226 Difference]: Without dead ends: 12609 [2022-07-13 12:41:40,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:40,274 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 323 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:40,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 113 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 12:41:40,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12609 states. [2022-07-13 12:41:40,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12609 to 10202. [2022-07-13 12:41:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10202 states, 10201 states have (on average 1.1734143711400844) internal successors, (11970), 10201 states have internal predecessors, (11970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10202 states to 10202 states and 11970 transitions. [2022-07-13 12:41:40,510 INFO L78 Accepts]: Start accepts. Automaton has 10202 states and 11970 transitions. Word has length 241 [2022-07-13 12:41:40,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:40,511 INFO L495 AbstractCegarLoop]: Abstraction has 10202 states and 11970 transitions. [2022-07-13 12:41:40,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 10202 states and 11970 transitions. [2022-07-13 12:41:40,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-13 12:41:40,515 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:40,516 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:40,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 12:41:40,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:40,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:40,517 INFO L85 PathProgramCache]: Analyzing trace with hash -260628436, now seen corresponding path program 1 times [2022-07-13 12:41:40,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:40,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862746086] [2022-07-13 12:41:40,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:40,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:40,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:40,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862746086] [2022-07-13 12:41:40,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862746086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:40,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:40,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:40,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897812338] [2022-07-13 12:41:40,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:40,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:40,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:40,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:40,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:40,625 INFO L87 Difference]: Start difference. First operand 10202 states and 11970 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:41,264 INFO L93 Difference]: Finished difference Result 20399 states and 23935 transitions. [2022-07-13 12:41:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:41,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 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 241 [2022-07-13 12:41:41,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:41,282 INFO L225 Difference]: With dead ends: 20399 [2022-07-13 12:41:41,282 INFO L226 Difference]: Without dead ends: 10199 [2022-07-13 12:41:41,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:41,293 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 148 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:41,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 305 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:41:41,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10199 states. [2022-07-13 12:41:41,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10199 to 10199. [2022-07-13 12:41:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10199 states, 10198 states have (on average 1.1445381447342615) internal successors, (11672), 10198 states have internal predecessors, (11672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10199 states to 10199 states and 11672 transitions. [2022-07-13 12:41:41,430 INFO L78 Accepts]: Start accepts. Automaton has 10199 states and 11672 transitions. Word has length 241 [2022-07-13 12:41:41,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:41,430 INFO L495 AbstractCegarLoop]: Abstraction has 10199 states and 11672 transitions. [2022-07-13 12:41:41,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:41,431 INFO L276 IsEmpty]: Start isEmpty. Operand 10199 states and 11672 transitions. [2022-07-13 12:41:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-13 12:41:41,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:41,435 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:41:41,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 12:41:41,436 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:41,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:41,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1739170223, now seen corresponding path program 1 times [2022-07-13 12:41:41,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:41,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078568655] [2022-07-13 12:41:41,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:41,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:41,561 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-13 12:41:41,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:41,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078568655] [2022-07-13 12:41:41,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078568655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:41,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:41,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:41,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590723186] [2022-07-13 12:41:41,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:41,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:41,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:41,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:41,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:41,564 INFO L87 Difference]: Start difference. First operand 10199 states and 11672 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:42,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:42,266 INFO L93 Difference]: Finished difference Result 22787 states and 26113 transitions. [2022-07-13 12:41:42,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:42,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 243 [2022-07-13 12:41:42,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:42,289 INFO L225 Difference]: With dead ends: 22787 [2022-07-13 12:41:42,289 INFO L226 Difference]: Without dead ends: 12590 [2022-07-13 12:41:42,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:42,303 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 169 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:42,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 370 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:41:42,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12590 states. [2022-07-13 12:41:42,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12590 to 11114. [2022-07-13 12:41:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11114 states, 11113 states have (on average 1.1383064878970575) internal successors, (12650), 11113 states have internal predecessors, (12650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11114 states to 11114 states and 12650 transitions. [2022-07-13 12:41:42,468 INFO L78 Accepts]: Start accepts. Automaton has 11114 states and 12650 transitions. Word has length 243 [2022-07-13 12:41:42,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:42,468 INFO L495 AbstractCegarLoop]: Abstraction has 11114 states and 12650 transitions. [2022-07-13 12:41:42,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 11114 states and 12650 transitions. [2022-07-13 12:41:42,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-13 12:41:42,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:42,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:42,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 12:41:42,473 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:42,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:42,474 INFO L85 PathProgramCache]: Analyzing trace with hash -272151494, now seen corresponding path program 1 times [2022-07-13 12:41:42,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:42,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086606723] [2022-07-13 12:41:42,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:42,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-13 12:41:42,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:42,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086606723] [2022-07-13 12:41:42,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086606723] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:42,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:42,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:42,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950122021] [2022-07-13 12:41:42,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:42,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:42,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:42,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:42,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:42,571 INFO L87 Difference]: Start difference. First operand 11114 states and 12650 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:43,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:43,234 INFO L93 Difference]: Finished difference Result 22413 states and 25494 transitions. [2022-07-13 12:41:43,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:43,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2022-07-13 12:41:43,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:43,251 INFO L225 Difference]: With dead ends: 22413 [2022-07-13 12:41:43,251 INFO L226 Difference]: Without dead ends: 11301 [2022-07-13 12:41:43,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:43,264 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 171 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:43,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 373 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:41:43,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11301 states. [2022-07-13 12:41:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11301 to 11113. [2022-07-13 12:41:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11113 states, 11112 states have (on average 1.1175305975521959) internal successors, (12418), 11112 states have internal predecessors, (12418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 12418 transitions. [2022-07-13 12:41:43,411 INFO L78 Accepts]: Start accepts. Automaton has 11113 states and 12418 transitions. Word has length 248 [2022-07-13 12:41:43,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:43,411 INFO L495 AbstractCegarLoop]: Abstraction has 11113 states and 12418 transitions. [2022-07-13 12:41:43,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 11113 states and 12418 transitions. [2022-07-13 12:41:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-13 12:41:43,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:43,417 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:41:43,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 12:41:43,418 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:43,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:43,418 INFO L85 PathProgramCache]: Analyzing trace with hash -535862831, now seen corresponding path program 1 times [2022-07-13 12:41:43,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:43,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886631071] [2022-07-13 12:41:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:43,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:43,594 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 109 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:43,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:43,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886631071] [2022-07-13 12:41:43,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886631071] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 12:41:43,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60019875] [2022-07-13 12:41:43,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:43,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 12:41:43,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:41:43,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 12:41:43,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 12:41:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:43,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 12:41:43,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 12:41:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:41:44,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 12:41:44,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60019875] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:44,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 12:41:44,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 12:41:44,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996089556] [2022-07-13 12:41:44,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:44,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:44,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:44,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:44,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-13 12:41:44,246 INFO L87 Difference]: Start difference. First operand 11113 states and 12418 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:45,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:45,218 INFO L93 Difference]: Finished difference Result 22227 states and 24838 transitions. [2022-07-13 12:41:45,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:45,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 262 [2022-07-13 12:41:45,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:45,232 INFO L225 Difference]: With dead ends: 22227 [2022-07-13 12:41:45,233 INFO L226 Difference]: Without dead ends: 11116 [2022-07-13 12:41:45,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-13 12:41:45,245 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 178 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:45,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 155 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 12:41:45,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2022-07-13 12:41:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 11113. [2022-07-13 12:41:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11113 states, 11112 states have (on average 1.1164506839452844) internal successors, (12406), 11112 states have internal predecessors, (12406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 12406 transitions. [2022-07-13 12:41:45,403 INFO L78 Accepts]: Start accepts. Automaton has 11113 states and 12406 transitions. Word has length 262 [2022-07-13 12:41:45,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:45,403 INFO L495 AbstractCegarLoop]: Abstraction has 11113 states and 12406 transitions. [2022-07-13 12:41:45,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 11113 states and 12406 transitions. [2022-07-13 12:41:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-13 12:41:45,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:45,410 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:45,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 12:41:45,630 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,SelfDestructingSolverStorable13 [2022-07-13 12:41:45,630 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:45,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:45,631 INFO L85 PathProgramCache]: Analyzing trace with hash -493651351, now seen corresponding path program 1 times [2022-07-13 12:41:45,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:45,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594403026] [2022-07-13 12:41:45,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:45,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-07-13 12:41:45,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:45,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594403026] [2022-07-13 12:41:45,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594403026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:45,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:45,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:45,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876148527] [2022-07-13 12:41:45,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:45,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:45,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:45,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:45,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:45,769 INFO L87 Difference]: Start difference. First operand 11113 states and 12406 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:46,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:46,374 INFO L93 Difference]: Finished difference Result 24615 states and 27485 transitions. [2022-07-13 12:41:46,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:46,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 296 [2022-07-13 12:41:46,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:46,387 INFO L225 Difference]: With dead ends: 24615 [2022-07-13 12:41:46,387 INFO L226 Difference]: Without dead ends: 13504 [2022-07-13 12:41:46,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:46,394 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 192 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:46,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 144 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:41:46,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13504 states. [2022-07-13 12:41:46,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13504 to 11108. [2022-07-13 12:41:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11108 states, 11107 states have (on average 1.1173134059602052) internal successors, (12410), 11107 states have internal predecessors, (12410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 12410 transitions. [2022-07-13 12:41:46,606 INFO L78 Accepts]: Start accepts. Automaton has 11108 states and 12410 transitions. Word has length 296 [2022-07-13 12:41:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:46,607 INFO L495 AbstractCegarLoop]: Abstraction has 11108 states and 12410 transitions. [2022-07-13 12:41:46,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:46,607 INFO L276 IsEmpty]: Start isEmpty. Operand 11108 states and 12410 transitions. [2022-07-13 12:41:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-13 12:41:46,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:46,612 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-13 12:41:46,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 12:41:46,613 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:46,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:46,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1103847605, now seen corresponding path program 1 times [2022-07-13 12:41:46,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:46,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356627656] [2022-07-13 12:41:46,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:46,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-13 12:41:46,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:46,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356627656] [2022-07-13 12:41:46,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356627656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:46,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:46,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 12:41:46,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207188991] [2022-07-13 12:41:46,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:46,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:46,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:46,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:46,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:46,757 INFO L87 Difference]: Start difference. First operand 11108 states and 12410 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:47,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:47,927 INFO L93 Difference]: Finished difference Result 27772 states and 31008 transitions. [2022-07-13 12:41:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:47,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 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 300 [2022-07-13 12:41:47,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:47,943 INFO L225 Difference]: With dead ends: 27772 [2022-07-13 12:41:47,943 INFO L226 Difference]: Without dead ends: 15925 [2022-07-13 12:41:47,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:47,953 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 311 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:47,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 399 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 12:41:47,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15925 states. [2022-07-13 12:41:48,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15925 to 12597. [2022-07-13 12:41:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12597 states, 12596 states have (on average 1.11765639885678) internal successors, (14078), 12596 states have internal predecessors, (14078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12597 states to 12597 states and 14078 transitions. [2022-07-13 12:41:48,152 INFO L78 Accepts]: Start accepts. Automaton has 12597 states and 14078 transitions. Word has length 300 [2022-07-13 12:41:48,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:48,153 INFO L495 AbstractCegarLoop]: Abstraction has 12597 states and 14078 transitions. [2022-07-13 12:41:48,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 12597 states and 14078 transitions. [2022-07-13 12:41:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-13 12:41:48,160 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:48,161 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-13 12:41:48,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-13 12:41:48,161 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:48,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:48,162 INFO L85 PathProgramCache]: Analyzing trace with hash 922831987, now seen corresponding path program 1 times [2022-07-13 12:41:48,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:48,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461432403] [2022-07-13 12:41:48,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:48,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 174 proven. 80 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-13 12:41:48,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:48,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461432403] [2022-07-13 12:41:48,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461432403] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 12:41:48,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637377925] [2022-07-13 12:41:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:48,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 12:41:48,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:41:48,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 12:41:48,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 12:41:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:48,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 12:41:48,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 12:41:48,977 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-13 12:41:48,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 12:41:48,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637377925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:48,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 12:41:48,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-13 12:41:48,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822805935] [2022-07-13 12:41:48,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:48,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:48,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:48,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:48,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 12:41:48,981 INFO L87 Difference]: Start difference. First operand 12597 states and 14078 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:49,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:49,722 INFO L93 Difference]: Finished difference Result 25378 states and 28346 transitions. [2022-07-13 12:41:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:49,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 316 [2022-07-13 12:41:49,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:49,737 INFO L225 Difference]: With dead ends: 25378 [2022-07-13 12:41:49,737 INFO L226 Difference]: Without dead ends: 12783 [2022-07-13 12:41:49,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 12:41:49,748 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 187 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:49,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 166 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:41:49,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12783 states. [2022-07-13 12:41:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12783 to 12597. [2022-07-13 12:41:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12597 states, 12596 states have (on average 1.116703715465227) internal successors, (14066), 12596 states have internal predecessors, (14066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12597 states to 12597 states and 14066 transitions. [2022-07-13 12:41:49,897 INFO L78 Accepts]: Start accepts. Automaton has 12597 states and 14066 transitions. Word has length 316 [2022-07-13 12:41:49,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:49,898 INFO L495 AbstractCegarLoop]: Abstraction has 12597 states and 14066 transitions. [2022-07-13 12:41:49,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 12597 states and 14066 transitions. [2022-07-13 12:41:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-13 12:41:49,905 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:49,906 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:41:49,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-13 12:41:50,119 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,SelfDestructingSolverStorable16 [2022-07-13 12:41:50,120 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:50,120 INFO L85 PathProgramCache]: Analyzing trace with hash -859097736, now seen corresponding path program 1 times [2022-07-13 12:41:50,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:50,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809336618] [2022-07-13 12:41:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:50,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-13 12:41:50,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:50,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809336618] [2022-07-13 12:41:50,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809336618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:50,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:50,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:50,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705774931] [2022-07-13 12:41:50,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:50,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:50,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:50,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:50,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:50,264 INFO L87 Difference]: Start difference. First operand 12597 states and 14066 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:50,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:50,921 INFO L93 Difference]: Finished difference Result 27596 states and 30780 transitions. [2022-07-13 12:41:50,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:50,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 [2022-07-13 12:41:50,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:50,934 INFO L225 Difference]: With dead ends: 27596 [2022-07-13 12:41:50,934 INFO L226 Difference]: Without dead ends: 15001 [2022-07-13 12:41:50,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:41:50,940 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 193 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:50,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 135 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:41:50,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15001 states. [2022-07-13 12:41:51,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15001 to 11481. [2022-07-13 12:41:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11481 states, 11480 states have (on average 1.1169860627177701) internal successors, (12823), 11480 states have internal predecessors, (12823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11481 states to 11481 states and 12823 transitions. [2022-07-13 12:41:51,070 INFO L78 Accepts]: Start accepts. Automaton has 11481 states and 12823 transitions. Word has length 327 [2022-07-13 12:41:51,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:51,071 INFO L495 AbstractCegarLoop]: Abstraction has 11481 states and 12823 transitions. [2022-07-13 12:41:51,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 11481 states and 12823 transitions. [2022-07-13 12:41:51,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-13 12:41:51,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:51,079 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:51,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-13 12:41:51,080 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:51,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:51,080 INFO L85 PathProgramCache]: Analyzing trace with hash -2055586056, now seen corresponding path program 1 times [2022-07-13 12:41:51,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:51,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576711632] [2022-07-13 12:41:51,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:51,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-13 12:41:51,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:51,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576711632] [2022-07-13 12:41:51,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576711632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:51,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:51,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 12:41:51,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56052418] [2022-07-13 12:41:51,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:51,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:51,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:51,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:51,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:51,218 INFO L87 Difference]: Start difference. First operand 11481 states and 12823 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:52,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:52,216 INFO L93 Difference]: Finished difference Result 27206 states and 30325 transitions. [2022-07-13 12:41:52,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:52,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 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 338 [2022-07-13 12:41:52,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:52,230 INFO L225 Difference]: With dead ends: 27206 [2022-07-13 12:41:52,230 INFO L226 Difference]: Without dead ends: 15172 [2022-07-13 12:41:52,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:52,238 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 311 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:52,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 354 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 12:41:52,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15172 states. [2022-07-13 12:41:52,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15172 to 10360. [2022-07-13 12:41:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10360 states, 10359 states have (on average 1.1105319046239985) internal successors, (11504), 10359 states have internal predecessors, (11504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 10360 states and 11504 transitions. [2022-07-13 12:41:52,407 INFO L78 Accepts]: Start accepts. Automaton has 10360 states and 11504 transitions. Word has length 338 [2022-07-13 12:41:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:52,407 INFO L495 AbstractCegarLoop]: Abstraction has 10360 states and 11504 transitions. [2022-07-13 12:41:52,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 10360 states and 11504 transitions. [2022-07-13 12:41:52,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-07-13 12:41:52,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:52,414 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:52,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-13 12:41:52,415 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:52,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:52,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1201451964, now seen corresponding path program 1 times [2022-07-13 12:41:52,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:52,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385568133] [2022-07-13 12:41:52,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:52,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-07-13 12:41:52,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:52,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385568133] [2022-07-13 12:41:52,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385568133] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:52,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:52,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 12:41:52,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504904373] [2022-07-13 12:41:52,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:52,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:52,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:52,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:52,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:52,544 INFO L87 Difference]: Start difference. First operand 10360 states and 11504 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:53,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:53,312 INFO L93 Difference]: Finished difference Result 22193 states and 24552 transitions. [2022-07-13 12:41:53,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:53,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 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 351 [2022-07-13 12:41:53,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:53,322 INFO L225 Difference]: With dead ends: 22193 [2022-07-13 12:41:53,322 INFO L226 Difference]: Without dead ends: 11835 [2022-07-13 12:41:53,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:53,328 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 328 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:53,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 57 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:41:53,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11835 states. [2022-07-13 12:41:53,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11835 to 9619. [2022-07-13 12:41:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9619 states, 9618 states have (on average 1.1072988147223954) internal successors, (10650), 9618 states have internal predecessors, (10650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9619 states to 9619 states and 10650 transitions. [2022-07-13 12:41:53,406 INFO L78 Accepts]: Start accepts. Automaton has 9619 states and 10650 transitions. Word has length 351 [2022-07-13 12:41:53,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:53,406 INFO L495 AbstractCegarLoop]: Abstraction has 9619 states and 10650 transitions. [2022-07-13 12:41:53,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 9619 states and 10650 transitions. [2022-07-13 12:41:53,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-13 12:41:53,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:53,415 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:53,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-13 12:41:53,415 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:53,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:53,416 INFO L85 PathProgramCache]: Analyzing trace with hash -289830597, now seen corresponding path program 1 times [2022-07-13 12:41:53,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:53,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44969952] [2022-07-13 12:41:53,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:53,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-13 12:41:53,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44969952] [2022-07-13 12:41:53,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44969952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:53,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:53,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:53,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203722455] [2022-07-13 12:41:53,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:53,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:53,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:53,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:53,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:53,590 INFO L87 Difference]: Start difference. First operand 9619 states and 10650 transitions. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:54,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:54,556 INFO L93 Difference]: Finished difference Result 26249 states and 29041 transitions. [2022-07-13 12:41:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:54,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 386 [2022-07-13 12:41:54,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:54,573 INFO L225 Difference]: With dead ends: 26249 [2022-07-13 12:41:54,573 INFO L226 Difference]: Without dead ends: 16632 [2022-07-13 12:41:54,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:54,584 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 202 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:54,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 71 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 12:41:54,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16632 states. [2022-07-13 12:41:54,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16632 to 15333. [2022-07-13 12:41:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15333 states, 15332 states have (on average 1.1049439081659276) internal successors, (16941), 15332 states have internal predecessors, (16941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:54,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15333 states to 15333 states and 16941 transitions. [2022-07-13 12:41:54,739 INFO L78 Accepts]: Start accepts. Automaton has 15333 states and 16941 transitions. Word has length 386 [2022-07-13 12:41:54,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:54,740 INFO L495 AbstractCegarLoop]: Abstraction has 15333 states and 16941 transitions. [2022-07-13 12:41:54,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:54,740 INFO L276 IsEmpty]: Start isEmpty. Operand 15333 states and 16941 transitions. [2022-07-13 12:41:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-07-13 12:41:54,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:54,757 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:54,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-13 12:41:54,758 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:54,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:54,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1206273662, now seen corresponding path program 1 times [2022-07-13 12:41:54,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:54,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524543818] [2022-07-13 12:41:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:54,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-07-13 12:41:54,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:54,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524543818] [2022-07-13 12:41:54,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524543818] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:54,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:41:54,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:41:54,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179039134] [2022-07-13 12:41:54,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:54,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:41:54,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:54,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:41:54,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:54,956 INFO L87 Difference]: Start difference. First operand 15333 states and 16941 transitions. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 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) [2022-07-13 12:41:55,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:55,899 INFO L93 Difference]: Finished difference Result 29567 states and 32664 transitions. [2022-07-13 12:41:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:41:55,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 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 531 [2022-07-13 12:41:55,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:55,916 INFO L225 Difference]: With dead ends: 29567 [2022-07-13 12:41:55,916 INFO L226 Difference]: Without dead ends: 16632 [2022-07-13 12:41:55,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:41:55,923 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 175 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:55,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 71 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 12:41:55,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16632 states. [2022-07-13 12:41:56,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16632 to 15149. [2022-07-13 12:41:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15149 states, 15148 states have (on average 1.1043041985740691) internal successors, (16728), 15148 states have internal predecessors, (16728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15149 states to 15149 states and 16728 transitions. [2022-07-13 12:41:56,064 INFO L78 Accepts]: Start accepts. Automaton has 15149 states and 16728 transitions. Word has length 531 [2022-07-13 12:41:56,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:56,065 INFO L495 AbstractCegarLoop]: Abstraction has 15149 states and 16728 transitions. [2022-07-13 12:41:56,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 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) [2022-07-13 12:41:56,065 INFO L276 IsEmpty]: Start isEmpty. Operand 15149 states and 16728 transitions. [2022-07-13 12:41:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2022-07-13 12:41:56,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:41:56,084 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:41:56,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-13 12:41:56,085 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:41:56,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:41:56,085 INFO L85 PathProgramCache]: Analyzing trace with hash 594473960, now seen corresponding path program 1 times [2022-07-13 12:41:56,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:41:56,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822529778] [2022-07-13 12:41:56,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:56,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:41:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 628 proven. 288 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-13 12:41:56,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:41:56,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822529778] [2022-07-13 12:41:56,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822529778] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 12:41:56,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231476373] [2022-07-13 12:41:56,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:41:56,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 12:41:56,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:41:56,373 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 12:41:56,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 12:41:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:41:56,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 12:41:56,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 12:41:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-07-13 12:41:56,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 12:41:56,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231476373] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:41:56,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 12:41:56,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-07-13 12:41:56,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309877352] [2022-07-13 12:41:56,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:41:56,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:41:56,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:41:56,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:41:56,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-13 12:41:56,660 INFO L87 Difference]: Start difference. First operand 15149 states and 16728 transitions. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:57,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:41:57,235 INFO L93 Difference]: Finished difference Result 31396 states and 34631 transitions. [2022-07-13 12:41:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:41:57,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 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 545 [2022-07-13 12:41:57,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:41:57,240 INFO L225 Difference]: With dead ends: 31396 [2022-07-13 12:41:57,240 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 12:41:57,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-13 12:41:57,253 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 106 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:41:57,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 129 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:41:57,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 12:41:57,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 12:41:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 12:41:57,254 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 545 [2022-07-13 12:41:57,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:41:57,254 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 12:41:57,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 12:41:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 12:41:57,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 12:41:57,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 12:41:57,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 12:41:57,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 12:41:57,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 12:42:08,657 WARN L233 SmtUtils]: Spent 11.17s on a formula simplification. DAG size of input: 488 DAG size of output: 472 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-13 12:42:18,994 WARN L233 SmtUtils]: Spent 10.33s on a formula simplification. DAG size of input: 488 DAG size of output: 472 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-13 12:42:22,454 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-13 12:42:22,455 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,455 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-13 12:42:22,455 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,455 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,455 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,455 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,455 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,455 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,456 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-13 12:42:22,456 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-13 12:42:22,456 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-13 12:42:22,456 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,456 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,456 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,456 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,456 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,457 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,457 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,457 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,457 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,457 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,457 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-13 12:42:22,457 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-13 12:42:22,458 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-13 12:42:22,458 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,458 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-13 12:42:22,458 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-13 12:42:22,458 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,458 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,458 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,458 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,459 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,459 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,459 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-13 12:42:22,459 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-13 12:42:22,459 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-13 12:42:22,459 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,459 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,460 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,460 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (<= ~a25~0 9)) (.cse1 (<= ~a25~0 10)) (.cse3 (= ~a4~0 1)) (.cse9 (= ~a25~0 12)) (.cse2 (<= ~a29~0 599999)) (.cse10 (<= ~a23~0 137)) (.cse7 (= ~a25~0 13)) (.cse5 (<= (+ ~a23~0 43) 0)) (.cse8 (<= ~a29~0 275)) (.cse0 (= ~a4~0 0)) (.cse6 (= ~a25~0 11)) (.cse11 (<= ~a23~0 262))) (or (and .cse0 .cse1 (<= ~a29~0 130)) (and .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse4) (and .cse6 .cse2 .cse3) (and .cse7 .cse2 .cse3) (and (<= ~a29~0 244) .cse1 .cse3) (and .cse8 .cse9 .cse0) (and .cse7 .cse0 (<= (+ 35913 ~a29~0) 0) .cse10) (and (<= ~a29~0 140) .cse0 .cse1 .cse11) (and (<= 307 ~a23~0) .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse2) (and .cse9 .cse2 .cse3) (and .cse2 (or (and .cse5 .cse8 .cse3) (and .cse5 .cse1 .cse3))) (and .cse6 .cse3 .cse10) (and .cse9 .cse0 .cse2 .cse10) (and .cse7 .cse5 .cse8 .cse0) (and .cse8 .cse0 .cse6 .cse11))) [2022-07-13 12:42:22,460 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,460 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-13 12:42:22,460 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-13 12:42:22,460 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,461 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,461 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,461 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,461 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,461 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,461 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-13 12:42:22,461 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-13 12:42:22,462 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-13 12:42:22,462 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-13 12:42:22,462 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,462 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,462 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,462 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,462 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,462 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,463 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,463 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-13 12:42:22,463 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-13 12:42:22,463 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-13 12:42:22,463 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,463 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,463 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,464 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,464 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,464 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,464 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,464 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,464 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,464 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-13 12:42:22,464 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-13 12:42:22,465 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-13 12:42:22,465 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,465 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (<= ~a25~0 9)) (.cse1 (<= ~a25~0 10)) (.cse3 (= ~a4~0 1)) (.cse9 (= ~a25~0 12)) (.cse2 (<= ~a29~0 599999)) (.cse10 (<= ~a23~0 137)) (.cse7 (= ~a25~0 13)) (.cse5 (<= (+ ~a23~0 43) 0)) (.cse8 (<= ~a29~0 275)) (.cse0 (= ~a4~0 0)) (.cse6 (= ~a25~0 11)) (.cse11 (<= ~a23~0 262))) (or (and .cse0 .cse1 (<= ~a29~0 130)) (and .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse4) (and .cse6 .cse2 .cse3) (and .cse7 .cse2 .cse3) (and (<= ~a29~0 244) .cse1 .cse3) (and .cse8 .cse9 .cse0) (and .cse7 .cse0 (<= (+ 35913 ~a29~0) 0) .cse10) (and (<= ~a29~0 140) .cse0 .cse1 .cse11) (and (<= 307 ~a23~0) .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse2) (and .cse9 .cse2 .cse3) (and .cse2 (or (and .cse5 .cse8 .cse3) (and .cse5 .cse1 .cse3))) (and .cse6 .cse3 .cse10) (and .cse9 .cse0 .cse2 .cse10) (and .cse7 .cse5 .cse8 .cse0) (and .cse8 .cse0 .cse6 .cse11))) [2022-07-13 12:42:22,465 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,465 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,465 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,465 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,466 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,466 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,466 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,466 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,466 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-13 12:42:22,466 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-13 12:42:22,466 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-13 12:42:22,466 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-13 12:42:22,467 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-13 12:42:22,467 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-13 12:42:22,467 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-13 12:42:22,467 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,467 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,467 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,467 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,468 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,468 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,468 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,468 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,468 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,468 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 12:42:22,468 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-13 12:42:22,469 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-13 12:42:22,469 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-13 12:42:22,469 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-13 12:42:22,469 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,469 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,469 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,469 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,469 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,470 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-13 12:42:22,470 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-13 12:42:22,470 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-13 12:42:22,470 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,470 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,470 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,470 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,471 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-13 12:42:22,471 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-13 12:42:22,471 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,471 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,471 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,471 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,471 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,471 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,472 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-13 12:42:22,472 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-13 12:42:22,472 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,472 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,472 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-13 12:42:22,472 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-13 12:42:22,472 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-13 12:42:22,472 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 12:42:22,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2022-07-13 12:42:22,473 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,473 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,473 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,473 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,473 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,473 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,474 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,474 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-13 12:42:22,474 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-13 12:42:22,474 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-13 12:42:22,474 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-13 12:42:22,474 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-13 12:42:22,474 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-13 12:42:22,474 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-13 12:42:22,475 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,475 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,475 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-13 12:42:22,475 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-13 12:42:22,475 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,475 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,475 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,475 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,476 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,476 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-13 12:42:22,476 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-13 12:42:22,476 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-13 12:42:22,476 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,476 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,476 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,476 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,477 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,477 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,477 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-13 12:42:22,477 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-13 12:42:22,477 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-13 12:42:22,477 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,477 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,477 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,478 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,478 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,478 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,478 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,478 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,478 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-13 12:42:22,478 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-13 12:42:22,478 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-13 12:42:22,479 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,479 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,479 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,479 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,479 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,479 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,479 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,479 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,480 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,480 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,480 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,480 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-13 12:42:22,480 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-13 12:42:22,480 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-13 12:42:22,480 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-13 12:42:22,481 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-13 12:42:22,481 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,481 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,481 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,481 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,481 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,481 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,481 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,482 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-13 12:42:22,482 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-13 12:42:22,482 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-13 12:42:22,482 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,482 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,482 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,482 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-13 12:42:22,482 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-13 12:42:22,483 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,483 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,483 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,483 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,483 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,483 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-13 12:42:22,483 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-13 12:42:22,484 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-13 12:42:22,485 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-13 12:42:22,486 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-13 12:42:22,486 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-13 12:42:22,486 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,486 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,486 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,486 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,486 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,486 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,487 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,487 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-13 12:42:22,487 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-13 12:42:22,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 12:42:22,487 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,487 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,487 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,487 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,488 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,488 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,488 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-13 12:42:22,488 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-13 12:42:22,488 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,488 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,488 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,489 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,489 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,489 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,489 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,489 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-13 12:42:22,489 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:42:22,489 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,489 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,490 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-13 12:42:22,490 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-13 12:42:22,490 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-13 12:42:22,490 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-13 12:42:22,493 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] [2022-07-13 12:42:22,494 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 12:42:22,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 12:42:22 BoogieIcfgContainer [2022-07-13 12:42:22,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 12:42:22,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 12:42:22,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 12:42:22,515 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 12:42:22,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:41:29" (3/4) ... [2022-07-13 12:42:22,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 12:42:22,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 12:42:22,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 12:42:22,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 12:42:22,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 12:42:22,637 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 12:42:22,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 12:42:22,638 INFO L158 Benchmark]: Toolchain (without parser) took 55215.00ms. Allocated memory was 104.9MB in the beginning and 855.6MB in the end (delta: 750.8MB). Free memory was 69.4MB in the beginning and 640.6MB in the end (delta: -571.2MB). Peak memory consumption was 177.9MB. Max. memory is 16.1GB. [2022-07-13 12:42:22,638 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 104.9MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 12:42:22,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.98ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 45.9MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-13 12:42:22,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.03ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 87.7MB in the end (delta: -41.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-07-13 12:42:22,639 INFO L158 Benchmark]: Boogie Preprocessor took 114.23ms. Allocated memory is still 125.8MB. Free memory was 87.7MB in the beginning and 78.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 12:42:22,639 INFO L158 Benchmark]: RCFGBuilder took 1441.20ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 78.7MB in the beginning and 98.0MB in the end (delta: -19.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-07-13 12:42:22,639 INFO L158 Benchmark]: TraceAbstraction took 52808.84ms. Allocated memory was 167.8MB in the beginning and 855.6MB in the end (delta: 687.9MB). Free memory was 96.9MB in the beginning and 655.3MB in the end (delta: -558.4MB). Peak memory consumption was 577.9MB. Max. memory is 16.1GB. [2022-07-13 12:42:22,640 INFO L158 Benchmark]: Witness Printer took 122.84ms. Allocated memory is still 855.6MB. Free memory was 655.3MB in the beginning and 640.6MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 12:42:22,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 104.9MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.98ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 45.9MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.03ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 87.7MB in the end (delta: -41.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.23ms. Allocated memory is still 125.8MB. Free memory was 87.7MB in the beginning and 78.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1441.20ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 78.7MB in the beginning and 98.0MB in the end (delta: -19.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 52808.84ms. Allocated memory was 167.8MB in the beginning and 855.6MB in the end (delta: 687.9MB). Free memory was 96.9MB in the beginning and 655.3MB in the end (delta: -558.4MB). Peak memory consumption was 577.9MB. Max. memory is 16.1GB. * Witness Printer took 122.84ms. Allocated memory is still 855.6MB. Free memory was 655.3MB in the beginning and 640.6MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. 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: 103]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.7s, OverallIterations: 23, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4434 SdHoareTripleChecker+Valid, 16.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4434 mSDsluCounter, 4933 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 650 mSDsCounter, 2136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16896 IncrementalHoareTripleChecker+Invalid, 19032 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2136 mSolverCounterUnsat, 4283 mSDtfsCounter, 16896 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1196 GetRequests, 1152 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15333occurred in iteration=21, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 23 MinimizatonAttempts, 26127 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 199 NumberOfFragments, 445 HoareAnnotationTreeSize, 3 FomulaSimplifications, 48774 FormulaSimplificationTreeSizeReduction, 21.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 234462 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 7093 NumberOfCodeBlocks, 7093 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7067 ConstructedInterpolants, 0 QuantifiedInterpolants, 27410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1600 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 26 InterpolantComputations, 23 PerfectInterpolantSequences, 6225/6626 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: (((((((((((((((((a4 == 0 && a25 <= 10) && a29 <= 130) || ((a29 <= 599999 && a4 == 1) && a25 <= 9)) || (((a23 + 43 <= 0 && a4 == 0) && a29 <= 599999) && a25 <= 9)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || ((a29 <= 244 && a25 <= 10) && a4 == 1)) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || (((a29 <= 140 && a4 == 0) && a25 <= 10) && a23 <= 262)) || (((307 <= a23 && a25 <= 10) && a29 <= 599999) && a4 == 1)) || (((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599999)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || (a29 <= 599999 && (((a23 + 43 <= 0 && a29 <= 275) && a4 == 1) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)))) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || (((a29 <= 275 && a4 == 0) && a25 == 11) && a23 <= 262) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 == 0 && a25 <= 10) && a29 <= 130) || ((a29 <= 599999 && a4 == 1) && a25 <= 9)) || (((a23 + 43 <= 0 && a4 == 0) && a29 <= 599999) && a25 <= 9)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || ((a29 <= 244 && a25 <= 10) && a4 == 1)) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || (((a29 <= 140 && a4 == 0) && a25 <= 10) && a23 <= 262)) || (((307 <= a23 && a25 <= 10) && a29 <= 599999) && a4 == 1)) || (((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599999)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || (a29 <= 599999 && (((a23 + 43 <= 0 && a29 <= 275) && a4 == 1) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)))) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || (((a29 <= 275 && a4 == 0) && a25 == 11) && a23 <= 262) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 12:42:22,669 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