./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem15_label28.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 e1b64adb5298d170b0a0065804aa34285565fef303a8d1c9e978e6f35837be1e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 13:04:20,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 13:04:20,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 13:04:20,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 13:04:20,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 13:04:20,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 13:04:20,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 13:04:20,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 13:04:20,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 13:04:20,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 13:04:20,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 13:04:21,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 13:04:21,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 13:04:21,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 13:04:21,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 13:04:21,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 13:04:21,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 13:04:21,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 13:04:21,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 13:04:21,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 13:04:21,015 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 13:04:21,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 13:04:21,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 13:04:21,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 13:04:21,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 13:04:21,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 13:04:21,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 13:04:21,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 13:04:21,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 13:04:21,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 13:04:21,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 13:04:21,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 13:04:21,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 13:04:21,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 13:04:21,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 13:04:21,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 13:04:21,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 13:04:21,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 13:04:21,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 13:04:21,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 13:04:21,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 13:04:21,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 13:04:21,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 13:04:21,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 13:04:21,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 13:04:21,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 13:04:21,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 13:04:21,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 13:04:21,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 13:04:21,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 13:04:21,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 13:04:21,060 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 13:04:21,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 13:04:21,061 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 13:04:21,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 13:04:21,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 13:04:21,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 13:04:21,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 13:04:21,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 13:04:21,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 13:04:21,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 13:04:21,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 13:04:21,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 13:04:21,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 13:04:21,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 13:04:21,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 13:04:21,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 13:04:21,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 13:04:21,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 13:04:21,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 13:04:21,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 13:04:21,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 13:04:21,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 13:04:21,064 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 13:04:21,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 13:04:21,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 13:04:21,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1b64adb5298d170b0a0065804aa34285565fef303a8d1c9e978e6f35837be1e [2022-07-13 13:04:21,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 13:04:21,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 13:04:21,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 13:04:21,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 13:04:21,246 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 13:04:21,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2022-07-13 13:04:21,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5440bc6/b032c8ccaf254ddc81ad2db7a05b3d2a/FLAGb7e50489f [2022-07-13 13:04:21,792 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 13:04:21,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2022-07-13 13:04:21,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5440bc6/b032c8ccaf254ddc81ad2db7a05b3d2a/FLAGb7e50489f [2022-07-13 13:04:22,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5440bc6/b032c8ccaf254ddc81ad2db7a05b3d2a [2022-07-13 13:04:22,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 13:04:22,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 13:04:22,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 13:04:22,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 13:04:22,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 13:04:22,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:22,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547507a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22, skipping insertion in model container [2022-07-13 13:04:22,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:22,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 13:04:22,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 13:04:22,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label28.c[4049,4062] [2022-07-13 13:04:22,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 13:04:22,755 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 13:04:22,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label28.c[4049,4062] [2022-07-13 13:04:22,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 13:04:22,921 INFO L208 MainTranslator]: Completed translation [2022-07-13 13:04:22,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22 WrapperNode [2022-07-13 13:04:22,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 13:04:22,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 13:04:22,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 13:04:22,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 13:04:22,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:22,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,085 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-13 13:04:23,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 13:04:23,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 13:04:23,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 13:04:23,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 13:04:23,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 13:04:23,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 13:04:23,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 13:04:23,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 13:04:23,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (1/1) ... [2022-07-13 13:04:23,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 13:04:23,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:23,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 13:04:23,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 13:04:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 13:04:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 13:04:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 13:04:23,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 13:04:23,382 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 13:04:23,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 13:04:25,220 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 13:04:25,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 13:04:25,231 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 13:04:25,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:04:25 BoogieIcfgContainer [2022-07-13 13:04:25,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 13:04:25,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 13:04:25,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 13:04:25,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 13:04:25,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 01:04:22" (1/3) ... [2022-07-13 13:04:25,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c5f834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 01:04:25, skipping insertion in model container [2022-07-13 13:04:25,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 01:04:22" (2/3) ... [2022-07-13 13:04:25,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c5f834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 01:04:25, skipping insertion in model container [2022-07-13 13:04:25,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:04:25" (3/3) ... [2022-07-13 13:04:25,240 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label28.c [2022-07-13 13:04:25,252 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 13:04:25,252 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 13:04:25,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 13:04:25,296 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@5044958c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2c368c95 [2022-07-13 13:04:25,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 13:04:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:25,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-13 13:04:25,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:25,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:25,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:25,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2022-07-13 13:04:25,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:25,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765617209] [2022-07-13 13:04:25,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:25,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:25,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:25,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765617209] [2022-07-13 13:04:25,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765617209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:25,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:25,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:25,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684763040] [2022-07-13 13:04:25,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:25,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:25,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:25,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:25,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:25,496 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:27,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:27,081 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2022-07-13 13:04:27,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:27,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2022-07-13 13:04:27,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:27,096 INFO L225 Difference]: With dead ends: 1155 [2022-07-13 13:04:27,096 INFO L226 Difference]: Without dead ends: 667 [2022-07-13 13:04:27,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:27,101 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 312 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:27,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 13:04:27,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2022-07-13 13:04:27,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2022-07-13 13:04:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2022-07-13 13:04:27,162 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 32 [2022-07-13 13:04:27,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:27,163 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2022-07-13 13:04:27,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2022-07-13 13:04:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-13 13:04:27,165 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:27,165 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:27,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 13:04:27,165 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:27,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:27,166 INFO L85 PathProgramCache]: Analyzing trace with hash 251864749, now seen corresponding path program 1 times [2022-07-13 13:04:27,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:27,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167181896] [2022-07-13 13:04:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:27,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:27,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:27,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167181896] [2022-07-13 13:04:27,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167181896] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:27,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:27,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:27,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214733250] [2022-07-13 13:04:27,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:27,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:27,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:27,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:27,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:27,291 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:29,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:29,045 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2022-07-13 13:04:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:29,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-13 13:04:29,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:29,053 INFO L225 Difference]: With dead ends: 1955 [2022-07-13 13:04:29,053 INFO L226 Difference]: Without dead ends: 1292 [2022-07-13 13:04:29,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:29,056 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 258 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:29,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 327 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-13 13:04:29,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-07-13 13:04:29,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2022-07-13 13:04:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2022-07-13 13:04:29,093 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 107 [2022-07-13 13:04:29,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:29,094 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2022-07-13 13:04:29,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2022-07-13 13:04:29,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-13 13:04:29,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:29,097 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:29,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 13:04:29,097 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:29,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:29,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1575980701, now seen corresponding path program 1 times [2022-07-13 13:04:29,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:29,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184303268] [2022-07-13 13:04:29,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:29,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:29,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:29,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184303268] [2022-07-13 13:04:29,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184303268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:29,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:29,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:29,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589617924] [2022-07-13 13:04:29,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:29,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:29,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:29,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:29,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:29,178 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:30,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:30,675 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2022-07-13 13:04:30,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:30,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-07-13 13:04:30,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:30,681 INFO L225 Difference]: With dead ends: 3764 [2022-07-13 13:04:30,681 INFO L226 Difference]: Without dead ends: 2484 [2022-07-13 13:04:30,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:30,683 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:30,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:04:30,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2022-07-13 13:04:30,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2022-07-13 13:04:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2022-07-13 13:04:30,710 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 111 [2022-07-13 13:04:30,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:30,710 INFO L495 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2022-07-13 13:04:30,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2022-07-13 13:04:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-13 13:04:30,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:30,713 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:30,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 13:04:30,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:30,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:30,714 INFO L85 PathProgramCache]: Analyzing trace with hash -445236617, now seen corresponding path program 1 times [2022-07-13 13:04:30,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:30,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205660839] [2022-07-13 13:04:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:30,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-13 13:04:30,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:30,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205660839] [2022-07-13 13:04:30,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205660839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:30,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:30,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:30,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671860264] [2022-07-13 13:04:30,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:30,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:30,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:30,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:30,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:30,822 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:31,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:31,969 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2022-07-13 13:04:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:31,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2022-07-13 13:04:31,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:31,981 INFO L225 Difference]: With dead ends: 6166 [2022-07-13 13:04:31,981 INFO L226 Difference]: Without dead ends: 3986 [2022-07-13 13:04:31,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:31,984 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:31,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 13:04:31,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2022-07-13 13:04:32,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2022-07-13 13:04:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2022-07-13 13:04:32,038 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 202 [2022-07-13 13:04:32,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:32,039 INFO L495 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2022-07-13 13:04:32,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2022-07-13 13:04:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-13 13:04:32,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:32,042 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:32,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 13:04:32,042 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:32,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:32,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1158649091, now seen corresponding path program 1 times [2022-07-13 13:04:32,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:32,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903359182] [2022-07-13 13:04:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:32,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 13:04:32,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:32,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903359182] [2022-07-13 13:04:32,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903359182] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:32,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:32,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 13:04:32,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700913316] [2022-07-13 13:04:32,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:32,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:32,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:32,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:32,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:32,258 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:33,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:33,379 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2022-07-13 13:04:33,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:33,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2022-07-13 13:04:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:33,390 INFO L225 Difference]: With dead ends: 7661 [2022-07-13 13:04:33,390 INFO L226 Difference]: Without dead ends: 3981 [2022-07-13 13:04:33,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:33,398 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:33,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-13 13:04:33,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2022-07-13 13:04:33,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2022-07-13 13:04:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2022-07-13 13:04:33,448 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 304 [2022-07-13 13:04:33,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:33,449 INFO L495 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2022-07-13 13:04:33,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2022-07-13 13:04:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-13 13:04:33,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:33,454 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:33,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 13:04:33,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:33,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:33,456 INFO L85 PathProgramCache]: Analyzing trace with hash 579536590, now seen corresponding path program 1 times [2022-07-13 13:04:33,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:33,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729548543] [2022-07-13 13:04:33,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:33,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-13 13:04:33,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:33,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729548543] [2022-07-13 13:04:33,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729548543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:33,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:33,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:33,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912146137] [2022-07-13 13:04:33,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:33,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:33,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:33,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:33,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:33,603 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:34,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:34,954 INFO L93 Difference]: Finished difference Result 8857 states and 10953 transitions. [2022-07-13 13:04:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:34,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 319 [2022-07-13 13:04:34,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:34,966 INFO L225 Difference]: With dead ends: 8857 [2022-07-13 13:04:34,967 INFO L226 Difference]: Without dead ends: 5177 [2022-07-13 13:04:34,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:34,971 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 283 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:34,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:04:34,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2022-07-13 13:04:35,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 3678. [2022-07-13 13:04:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3678 states, 3677 states have (on average 1.2181125917867828) internal successors, (4479), 3677 states have internal predecessors, (4479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:35,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3678 states and 4479 transitions. [2022-07-13 13:04:35,021 INFO L78 Accepts]: Start accepts. Automaton has 3678 states and 4479 transitions. Word has length 319 [2022-07-13 13:04:35,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:35,021 INFO L495 AbstractCegarLoop]: Abstraction has 3678 states and 4479 transitions. [2022-07-13 13:04:35,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 4479 transitions. [2022-07-13 13:04:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-13 13:04:35,026 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:35,026 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:35,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 13:04:35,027 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:35,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:35,027 INFO L85 PathProgramCache]: Analyzing trace with hash -84480945, now seen corresponding path program 1 times [2022-07-13 13:04:35,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:35,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779684281] [2022-07-13 13:04:35,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:35,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-13 13:04:35,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:35,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779684281] [2022-07-13 13:04:35,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779684281] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:35,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:35,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:35,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055185939] [2022-07-13 13:04:35,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:35,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:35,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:35,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:35,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:35,175 INFO L87 Difference]: Start difference. First operand 3678 states and 4479 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:36,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:36,424 INFO L93 Difference]: Finished difference Result 9157 states and 11369 transitions. [2022-07-13 13:04:36,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:36,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 378 [2022-07-13 13:04:36,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:36,449 INFO L225 Difference]: With dead ends: 9157 [2022-07-13 13:04:36,449 INFO L226 Difference]: Without dead ends: 5780 [2022-07-13 13:04:36,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:36,453 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 296 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:36,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 13:04:36,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2022-07-13 13:04:36,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5182. [2022-07-13 13:04:36,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5181 states have (on average 1.1767998455896544) internal successors, (6097), 5181 states have internal predecessors, (6097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 6097 transitions. [2022-07-13 13:04:36,539 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 6097 transitions. Word has length 378 [2022-07-13 13:04:36,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:36,540 INFO L495 AbstractCegarLoop]: Abstraction has 5182 states and 6097 transitions. [2022-07-13 13:04:36,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 6097 transitions. [2022-07-13 13:04:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-13 13:04:36,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:36,544 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:36,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 13:04:36,545 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:36,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1647724765, now seen corresponding path program 1 times [2022-07-13 13:04:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:36,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688966609] [2022-07-13 13:04:36,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:36,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:36,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:36,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688966609] [2022-07-13 13:04:36,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688966609] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:36,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:36,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:36,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12107327] [2022-07-13 13:04:36,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:36,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:36,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:36,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:36,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:36,712 INFO L87 Difference]: Start difference. First operand 5182 states and 6097 transitions. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:37,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:37,804 INFO L93 Difference]: Finished difference Result 10059 states and 11883 transitions. [2022-07-13 13:04:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:37,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 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 384 [2022-07-13 13:04:37,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:37,816 INFO L225 Difference]: With dead ends: 10059 [2022-07-13 13:04:37,816 INFO L226 Difference]: Without dead ends: 5178 [2022-07-13 13:04:37,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:37,820 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:37,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 13:04:37,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5178 states. [2022-07-13 13:04:37,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5178 to 5176. [2022-07-13 13:04:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5175 states have (on average 1.1586473429951691) internal successors, (5996), 5175 states have internal predecessors, (5996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 5996 transitions. [2022-07-13 13:04:37,887 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 5996 transitions. Word has length 384 [2022-07-13 13:04:37,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:37,888 INFO L495 AbstractCegarLoop]: Abstraction has 5176 states and 5996 transitions. [2022-07-13 13:04:37,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 5996 transitions. [2022-07-13 13:04:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-07-13 13:04:37,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:37,893 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:37,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 13:04:37,893 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:37,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:37,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1013226234, now seen corresponding path program 1 times [2022-07-13 13:04:37,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:37,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850354794] [2022-07-13 13:04:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:37,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:38,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:38,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850354794] [2022-07-13 13:04:38,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850354794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:38,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:38,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:38,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817986052] [2022-07-13 13:04:38,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:38,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:38,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:38,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:38,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:38,082 INFO L87 Difference]: Start difference. First operand 5176 states and 5996 transitions. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:39,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:39,485 INFO L93 Difference]: Finished difference Result 11857 states and 13998 transitions. [2022-07-13 13:04:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:39,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 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 395 [2022-07-13 13:04:39,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:39,494 INFO L225 Difference]: With dead ends: 11857 [2022-07-13 13:04:39,494 INFO L226 Difference]: Without dead ends: 6982 [2022-07-13 13:04:39,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:39,498 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:39,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 599 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:04:39,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2022-07-13 13:04:39,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 6082. [2022-07-13 13:04:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6082 states, 6081 states have (on average 1.1494819930932412) internal successors, (6990), 6081 states have internal predecessors, (6990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6082 states to 6082 states and 6990 transitions. [2022-07-13 13:04:39,566 INFO L78 Accepts]: Start accepts. Automaton has 6082 states and 6990 transitions. Word has length 395 [2022-07-13 13:04:39,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:39,569 INFO L495 AbstractCegarLoop]: Abstraction has 6082 states and 6990 transitions. [2022-07-13 13:04:39,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:39,570 INFO L276 IsEmpty]: Start isEmpty. Operand 6082 states and 6990 transitions. [2022-07-13 13:04:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-07-13 13:04:39,572 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:39,572 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:39,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 13:04:39,573 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:39,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:39,573 INFO L85 PathProgramCache]: Analyzing trace with hash 624859565, now seen corresponding path program 1 times [2022-07-13 13:04:39,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:39,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870494729] [2022-07-13 13:04:39,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:39,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 30 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 13:04:39,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:39,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870494729] [2022-07-13 13:04:39,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870494729] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:04:39,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182589350] [2022-07-13 13:04:39,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:39,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:04:39,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:39,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:04:39,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 13:04:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:39,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:04:39,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:04:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-13 13:04:40,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:04:40,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182589350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:40,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:04:40,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 13:04:40,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235179863] [2022-07-13 13:04:40,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:40,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:40,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:40,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:40,077 INFO L87 Difference]: Start difference. First operand 6082 states and 6990 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:42,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:42,549 INFO L93 Difference]: Finished difference Result 14321 states and 16770 transitions. [2022-07-13 13:04:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:42,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 409 [2022-07-13 13:04:42,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:42,560 INFO L225 Difference]: With dead ends: 14321 [2022-07-13 13:04:42,560 INFO L226 Difference]: Without dead ends: 8540 [2022-07-13 13:04:42,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:42,566 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 384 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:42,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 540 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-13 13:04:42,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8540 states. [2022-07-13 13:04:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8540 to 8535. [2022-07-13 13:04:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8535 states, 8534 states have (on average 1.163229435200375) internal successors, (9927), 8534 states have internal predecessors, (9927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8535 states to 8535 states and 9927 transitions. [2022-07-13 13:04:42,640 INFO L78 Accepts]: Start accepts. Automaton has 8535 states and 9927 transitions. Word has length 409 [2022-07-13 13:04:42,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:42,641 INFO L495 AbstractCegarLoop]: Abstraction has 8535 states and 9927 transitions. [2022-07-13 13:04:42,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 8535 states and 9927 transitions. [2022-07-13 13:04:42,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-13 13:04:42,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:42,643 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:42,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 13:04:42,853 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,SelfDestructingSolverStorable9 [2022-07-13 13:04:42,853 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:42,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:42,854 INFO L85 PathProgramCache]: Analyzing trace with hash -119436518, now seen corresponding path program 1 times [2022-07-13 13:04:42,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:42,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595580400] [2022-07-13 13:04:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:42,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-13 13:04:43,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:43,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595580400] [2022-07-13 13:04:43,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595580400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:43,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:43,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:43,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479923206] [2022-07-13 13:04:43,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:43,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:43,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:43,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:43,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:43,016 INFO L87 Difference]: Start difference. First operand 8535 states and 9927 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:44,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:44,297 INFO L93 Difference]: Finished difference Result 19164 states and 22694 transitions. [2022-07-13 13:04:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:44,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 411 [2022-07-13 13:04:44,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:44,311 INFO L225 Difference]: With dead ends: 19164 [2022-07-13 13:04:44,311 INFO L226 Difference]: Without dead ends: 10930 [2022-07-13 13:04:44,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:44,319 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 236 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:44,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 616 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 13:04:44,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10930 states. [2022-07-13 13:04:44,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10930 to 10926. [2022-07-13 13:04:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10926 states, 10925 states have (on average 1.1475514874141877) internal successors, (12537), 10925 states have internal predecessors, (12537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10926 states to 10926 states and 12537 transitions. [2022-07-13 13:04:44,455 INFO L78 Accepts]: Start accepts. Automaton has 10926 states and 12537 transitions. Word has length 411 [2022-07-13 13:04:44,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:44,456 INFO L495 AbstractCegarLoop]: Abstraction has 10926 states and 12537 transitions. [2022-07-13 13:04:44,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 10926 states and 12537 transitions. [2022-07-13 13:04:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-13 13:04:44,459 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:44,460 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:44,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 13:04:44,461 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:44,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:44,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1176515794, now seen corresponding path program 1 times [2022-07-13 13:04:44,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:44,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508152725] [2022-07-13 13:04:44,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:44,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-13 13:04:44,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:44,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508152725] [2022-07-13 13:04:44,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508152725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:44,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:44,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:44,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649970221] [2022-07-13 13:04:44,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:44,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:44,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:44,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:44,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:44,632 INFO L87 Difference]: Start difference. First operand 10926 states and 12537 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:46,243 INFO L93 Difference]: Finished difference Result 28426 states and 32728 transitions. [2022-07-13 13:04:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:46,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 481 [2022-07-13 13:04:46,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:46,272 INFO L225 Difference]: With dead ends: 28426 [2022-07-13 13:04:46,272 INFO L226 Difference]: Without dead ends: 17801 [2022-07-13 13:04:46,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:46,277 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 303 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:46,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 191 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 13:04:46,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17801 states. [2022-07-13 13:04:46,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17801 to 15708. [2022-07-13 13:04:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15708 states, 15707 states have (on average 1.1423569109314318) internal successors, (17943), 15707 states have internal predecessors, (17943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15708 states to 15708 states and 17943 transitions. [2022-07-13 13:04:46,419 INFO L78 Accepts]: Start accepts. Automaton has 15708 states and 17943 transitions. Word has length 481 [2022-07-13 13:04:46,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:46,420 INFO L495 AbstractCegarLoop]: Abstraction has 15708 states and 17943 transitions. [2022-07-13 13:04:46,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 15708 states and 17943 transitions. [2022-07-13 13:04:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-07-13 13:04:46,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:46,424 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:46,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 13:04:46,424 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:46,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1477871461, now seen corresponding path program 1 times [2022-07-13 13:04:46,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:46,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418274580] [2022-07-13 13:04:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:46,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 469 proven. 39 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-13 13:04:46,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:46,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418274580] [2022-07-13 13:04:46,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418274580] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:04:46,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780970194] [2022-07-13 13:04:46,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:46,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:04:46,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:46,575 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:04:46,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 13:04:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:46,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:04:46,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:04:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-13 13:04:46,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:04:46,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780970194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:46,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:04:46,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 13:04:46,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671678923] [2022-07-13 13:04:46,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:46,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:46,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:46,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:46,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:46,835 INFO L87 Difference]: Start difference. First operand 15708 states and 17943 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:48,143 INFO L93 Difference]: Finished difference Result 35596 states and 40688 transitions. [2022-07-13 13:04:48,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:48,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 516 [2022-07-13 13:04:48,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:48,168 INFO L225 Difference]: With dead ends: 35596 [2022-07-13 13:04:48,168 INFO L226 Difference]: Without dead ends: 20189 [2022-07-13 13:04:48,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:48,183 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 312 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:48,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 255 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 13:04:48,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20189 states. [2022-07-13 13:04:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20189 to 18393. [2022-07-13 13:04:48,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18393 states, 18392 states have (on average 1.1353305785123966) internal successors, (20881), 18392 states have internal predecessors, (20881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18393 states to 18393 states and 20881 transitions. [2022-07-13 13:04:48,420 INFO L78 Accepts]: Start accepts. Automaton has 18393 states and 20881 transitions. Word has length 516 [2022-07-13 13:04:48,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:48,420 INFO L495 AbstractCegarLoop]: Abstraction has 18393 states and 20881 transitions. [2022-07-13 13:04:48,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 18393 states and 20881 transitions. [2022-07-13 13:04:48,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-07-13 13:04:48,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:48,424 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:48,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 13:04:48,641 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,SelfDestructingSolverStorable12 [2022-07-13 13:04:48,641 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:48,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:48,641 INFO L85 PathProgramCache]: Analyzing trace with hash -629138351, now seen corresponding path program 1 times [2022-07-13 13:04:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:48,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772177379] [2022-07-13 13:04:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:48,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-07-13 13:04:48,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:48,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772177379] [2022-07-13 13:04:48,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772177379] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:48,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:48,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:48,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68078065] [2022-07-13 13:04:48,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:48,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:48,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:48,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:48,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:48,835 INFO L87 Difference]: Start difference. First operand 18393 states and 20881 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:50,402 INFO L93 Difference]: Finished difference Result 44283 states and 50642 transitions. [2022-07-13 13:04:50,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:50,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 520 [2022-07-13 13:04:50,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:50,436 INFO L225 Difference]: With dead ends: 44283 [2022-07-13 13:04:50,436 INFO L226 Difference]: Without dead ends: 26191 [2022-07-13 13:04:50,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:50,451 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:50,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 596 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:04:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26191 states. [2022-07-13 13:04:50,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26191 to 25573. [2022-07-13 13:04:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25573 states, 25572 states have (on average 1.124745815735961) internal successors, (28762), 25572 states have internal predecessors, (28762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25573 states to 25573 states and 28762 transitions. [2022-07-13 13:04:50,715 INFO L78 Accepts]: Start accepts. Automaton has 25573 states and 28762 transitions. Word has length 520 [2022-07-13 13:04:50,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:50,715 INFO L495 AbstractCegarLoop]: Abstraction has 25573 states and 28762 transitions. [2022-07-13 13:04:50,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 25573 states and 28762 transitions. [2022-07-13 13:04:50,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2022-07-13 13:04:50,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:50,721 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:50,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-13 13:04:50,721 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:50,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:50,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1866465979, now seen corresponding path program 1 times [2022-07-13 13:04:50,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:50,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637782597] [2022-07-13 13:04:50,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:50,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 527 proven. 39 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-07-13 13:04:50,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:50,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637782597] [2022-07-13 13:04:50,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637782597] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:04:50,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880980161] [2022-07-13 13:04:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:50,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:04:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:50,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:04:50,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 13:04:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:51,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:04:51,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:04:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-07-13 13:04:51,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:04:51,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880980161] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:51,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:04:51,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 13:04:51,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856954046] [2022-07-13 13:04:51,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:51,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:51,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:51,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:51,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:51,113 INFO L87 Difference]: Start difference. First operand 25573 states and 28762 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:52,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:52,588 INFO L93 Difference]: Finished difference Result 54133 states and 61132 transitions. [2022-07-13 13:04:52,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:52,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 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 560 [2022-07-13 13:04:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:52,625 INFO L225 Difference]: With dead ends: 54133 [2022-07-13 13:04:52,625 INFO L226 Difference]: Without dead ends: 28861 [2022-07-13 13:04:52,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:52,645 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 382 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:52,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 445 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 13:04:52,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28861 states. [2022-07-13 13:04:52,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28861 to 20430. [2022-07-13 13:04:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20430 states, 20429 states have (on average 1.1097948994077047) internal successors, (22672), 20429 states have internal predecessors, (22672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20430 states to 20430 states and 22672 transitions. [2022-07-13 13:04:52,924 INFO L78 Accepts]: Start accepts. Automaton has 20430 states and 22672 transitions. Word has length 560 [2022-07-13 13:04:52,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:52,924 INFO L495 AbstractCegarLoop]: Abstraction has 20430 states and 22672 transitions. [2022-07-13 13:04:52,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 20430 states and 22672 transitions. [2022-07-13 13:04:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2022-07-13 13:04:52,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:52,931 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:52,948 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 13:04:53,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:04:53,149 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:53,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:53,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1840183349, now seen corresponding path program 1 times [2022-07-13 13:04:53,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:53,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98824209] [2022-07-13 13:04:53,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:53,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:53,371 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-07-13 13:04:53,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:53,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98824209] [2022-07-13 13:04:53,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98824209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:53,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:53,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:04:53,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879039347] [2022-07-13 13:04:53,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:53,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:53,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:53,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:53,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:53,373 INFO L87 Difference]: Start difference. First operand 20430 states and 22672 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:55,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:55,226 INFO L93 Difference]: Finished difference Result 47145 states and 52461 transitions. [2022-07-13 13:04:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:55,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 594 [2022-07-13 13:04:55,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:55,251 INFO L225 Difference]: With dead ends: 47145 [2022-07-13 13:04:55,252 INFO L226 Difference]: Without dead ends: 27016 [2022-07-13 13:04:55,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:04:55,267 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 311 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:55,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 526 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-13 13:04:55,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27016 states. [2022-07-13 13:04:55,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27016 to 25510. [2022-07-13 13:04:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25510 states, 25509 states have (on average 1.108314712454428) internal successors, (28272), 25509 states have internal predecessors, (28272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:55,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25510 states to 25510 states and 28272 transitions. [2022-07-13 13:04:55,553 INFO L78 Accepts]: Start accepts. Automaton has 25510 states and 28272 transitions. Word has length 594 [2022-07-13 13:04:55,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:55,554 INFO L495 AbstractCegarLoop]: Abstraction has 25510 states and 28272 transitions. [2022-07-13 13:04:55,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 25510 states and 28272 transitions. [2022-07-13 13:04:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2022-07-13 13:04:55,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:55,560 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:04:55,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-13 13:04:55,561 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:55,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:55,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1798875652, now seen corresponding path program 1 times [2022-07-13 13:04:55,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:55,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502722543] [2022-07-13 13:04:55,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:55,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 553 proven. 39 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-13 13:04:55,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:55,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502722543] [2022-07-13 13:04:55,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502722543] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 13:04:55,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659812033] [2022-07-13 13:04:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:55,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 13:04:55,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 13:04:55,709 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 13:04:55,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 13:04:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:55,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 13:04:55,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 13:04:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-07-13 13:04:55,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 13:04:55,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659812033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:55,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 13:04:55,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 13:04:55,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954332579] [2022-07-13 13:04:55,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:55,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:04:55,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:55,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:04:55,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:55,923 INFO L87 Difference]: Start difference. First operand 25510 states and 28272 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:04:57,259 INFO L93 Difference]: Finished difference Result 50417 states and 55921 transitions. [2022-07-13 13:04:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:04:57,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 596 [2022-07-13 13:04:57,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:04:57,281 INFO L225 Difference]: With dead ends: 50417 [2022-07-13 13:04:57,282 INFO L226 Difference]: Without dead ends: 25208 [2022-07-13 13:04:57,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 13:04:57,295 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 299 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 13:04:57,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 599 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 13:04:57,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25208 states. [2022-07-13 13:04:57,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25208 to 24012. [2022-07-13 13:04:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24012 states, 24011 states have (on average 1.0741326891841239) internal successors, (25791), 24011 states have internal predecessors, (25791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24012 states to 24012 states and 25791 transitions. [2022-07-13 13:04:57,480 INFO L78 Accepts]: Start accepts. Automaton has 24012 states and 25791 transitions. Word has length 596 [2022-07-13 13:04:57,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:04:57,481 INFO L495 AbstractCegarLoop]: Abstraction has 24012 states and 25791 transitions. [2022-07-13 13:04:57,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:04:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 24012 states and 25791 transitions. [2022-07-13 13:04:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2022-07-13 13:04:57,489 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:04:57,490 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:04:57,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 13:04:57,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-13 13:04:57,691 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:04:57,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:04:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash -2007667598, now seen corresponding path program 1 times [2022-07-13 13:04:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:04:57,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173315360] [2022-07-13 13:04:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:04:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:04:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:04:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 473 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-07-13 13:04:57,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:04:57,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173315360] [2022-07-13 13:04:57,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173315360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:04:57,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:04:57,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:04:57,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209978447] [2022-07-13 13:04:57,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:04:57,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:04:57,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:04:57,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:04:57,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:04:57,893 INFO L87 Difference]: Start difference. First operand 24012 states and 25791 transitions. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:00,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:00,372 INFO L93 Difference]: Finished difference Result 57290 states and 61354 transitions. [2022-07-13 13:05:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:05:00,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 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 659 [2022-07-13 13:05:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:00,467 INFO L225 Difference]: With dead ends: 57290 [2022-07-13 13:05:00,467 INFO L226 Difference]: Without dead ends: 26104 [2022-07-13 13:05:00,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:05:00,481 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 733 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:00,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 457 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 1582 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-13 13:05:00,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26104 states. [2022-07-13 13:05:00,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26104 to 21318. [2022-07-13 13:05:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21318 states, 21317 states have (on average 1.0305390064267954) internal successors, (21968), 21317 states have internal predecessors, (21968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21318 states to 21318 states and 21968 transitions. [2022-07-13 13:05:00,716 INFO L78 Accepts]: Start accepts. Automaton has 21318 states and 21968 transitions. Word has length 659 [2022-07-13 13:05:00,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:00,716 INFO L495 AbstractCegarLoop]: Abstraction has 21318 states and 21968 transitions. [2022-07-13 13:05:00,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:00,717 INFO L276 IsEmpty]: Start isEmpty. Operand 21318 states and 21968 transitions. [2022-07-13 13:05:00,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2022-07-13 13:05:00,724 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:00,725 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:05:00,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-13 13:05:00,725 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:00,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:00,726 INFO L85 PathProgramCache]: Analyzing trace with hash -294229951, now seen corresponding path program 1 times [2022-07-13 13:05:00,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:00,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471933441] [2022-07-13 13:05:00,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:00,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-07-13 13:05:00,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:00,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471933441] [2022-07-13 13:05:00,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471933441] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:00,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:00,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:00,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386025832] [2022-07-13 13:05:00,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:00,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:00,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:00,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:00,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:00,914 INFO L87 Difference]: Start difference. First operand 21318 states and 21968 transitions. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:01,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:01,773 INFO L93 Difference]: Finished difference Result 42332 states and 43633 transitions. [2022-07-13 13:05:01,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:01,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 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 695 [2022-07-13 13:05:01,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:01,862 INFO L225 Difference]: With dead ends: 42332 [2022-07-13 13:05:01,862 INFO L226 Difference]: Without dead ends: 21315 [2022-07-13 13:05:01,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:01,867 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 460 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:01,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 66 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:05:01,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21315 states. [2022-07-13 13:05:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21315 to 21015. [2022-07-13 13:05:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21015 states, 21014 states have (on average 1.0304558865518225) internal successors, (21654), 21014 states have internal predecessors, (21654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21015 states to 21015 states and 21654 transitions. [2022-07-13 13:05:02,056 INFO L78 Accepts]: Start accepts. Automaton has 21015 states and 21654 transitions. Word has length 695 [2022-07-13 13:05:02,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:02,057 INFO L495 AbstractCegarLoop]: Abstraction has 21015 states and 21654 transitions. [2022-07-13 13:05:02,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 21015 states and 21654 transitions. [2022-07-13 13:05:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-07-13 13:05:02,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:02,066 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:05:02,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-13 13:05:02,066 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:02,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:02,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1673837868, now seen corresponding path program 1 times [2022-07-13 13:05:02,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:02,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703272757] [2022-07-13 13:05:02,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:02,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-13 13:05:02,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:02,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703272757] [2022-07-13 13:05:02,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703272757] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:02,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:02,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:02,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276512311] [2022-07-13 13:05:02,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:02,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:02,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:02,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:02,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:02,283 INFO L87 Difference]: Start difference. First operand 21015 states and 21654 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:03,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:03,411 INFO L93 Difference]: Finished difference Result 45330 states and 46704 transitions. [2022-07-13 13:05:03,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:03,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 699 [2022-07-13 13:05:03,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:03,437 INFO L225 Difference]: With dead ends: 45330 [2022-07-13 13:05:03,437 INFO L226 Difference]: Without dead ends: 24616 [2022-07-13 13:05:03,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:03,453 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 344 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:03,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 130 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 13:05:03,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24616 states. [2022-07-13 13:05:03,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24616 to 21312. [2022-07-13 13:05:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21312 states, 21311 states have (on average 1.0290460325653419) internal successors, (21930), 21311 states have internal predecessors, (21930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21312 states to 21312 states and 21930 transitions. [2022-07-13 13:05:03,706 INFO L78 Accepts]: Start accepts. Automaton has 21312 states and 21930 transitions. Word has length 699 [2022-07-13 13:05:03,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:03,707 INFO L495 AbstractCegarLoop]: Abstraction has 21312 states and 21930 transitions. [2022-07-13 13:05:03,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 21312 states and 21930 transitions. [2022-07-13 13:05:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-13 13:05:03,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:03,714 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:03,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-13 13:05:03,714 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:03,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:03,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1435242105, now seen corresponding path program 1 times [2022-07-13 13:05:03,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:03,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317640107] [2022-07-13 13:05:03,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:03,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:03,914 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2022-07-13 13:05:03,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:03,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317640107] [2022-07-13 13:05:03,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317640107] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:03,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:03,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:03,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597026343] [2022-07-13 13:05:03,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:03,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:03,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:03,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:03,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:03,916 INFO L87 Difference]: Start difference. First operand 21312 states and 21930 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:04,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:04,771 INFO L93 Difference]: Finished difference Result 46820 states and 48189 transitions. [2022-07-13 13:05:04,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:04,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 704 [2022-07-13 13:05:04,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:04,795 INFO L225 Difference]: With dead ends: 46820 [2022-07-13 13:05:04,795 INFO L226 Difference]: Without dead ends: 25510 [2022-07-13 13:05:04,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:04,808 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 292 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:04,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 557 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:05:04,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25510 states. [2022-07-13 13:05:05,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25510 to 24314. [2022-07-13 13:05:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24314 states, 24313 states have (on average 1.02632336610044) internal successors, (24953), 24313 states have internal predecessors, (24953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24314 states to 24314 states and 24953 transitions. [2022-07-13 13:05:05,060 INFO L78 Accepts]: Start accepts. Automaton has 24314 states and 24953 transitions. Word has length 704 [2022-07-13 13:05:05,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:05,060 INFO L495 AbstractCegarLoop]: Abstraction has 24314 states and 24953 transitions. [2022-07-13 13:05:05,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24314 states and 24953 transitions. [2022-07-13 13:05:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2022-07-13 13:05:05,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:05,068 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 13:05:05,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-13 13:05:05,068 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:05,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:05,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1173180747, now seen corresponding path program 1 times [2022-07-13 13:05:05,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:05,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171527675] [2022-07-13 13:05:05,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:05,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-13 13:05:05,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:05,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171527675] [2022-07-13 13:05:05,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171527675] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:05,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:05,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 13:05:05,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551132966] [2022-07-13 13:05:05,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:05,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 13:05:05,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:05,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 13:05:05,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:05:05,259 INFO L87 Difference]: Start difference. First operand 24314 states and 24953 transitions. Second operand has 4 states, 4 states have (on average 114.25) internal successors, (457), 4 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:06,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:06,826 INFO L93 Difference]: Finished difference Result 57018 states and 58496 transitions. [2022-07-13 13:05:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 13:05:06,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 114.25) internal successors, (457), 4 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 719 [2022-07-13 13:05:06,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:06,861 INFO L225 Difference]: With dead ends: 57018 [2022-07-13 13:05:06,861 INFO L226 Difference]: Without dead ends: 33005 [2022-07-13 13:05:06,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 13:05:06,878 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 523 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:06,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 133 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1589 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 13:05:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33005 states. [2022-07-13 13:05:07,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33005 to 30608. [2022-07-13 13:05:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30608 states, 30607 states have (on average 1.0257784167020616) internal successors, (31396), 30607 states have internal predecessors, (31396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30608 states to 30608 states and 31396 transitions. [2022-07-13 13:05:07,344 INFO L78 Accepts]: Start accepts. Automaton has 30608 states and 31396 transitions. Word has length 719 [2022-07-13 13:05:07,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:07,344 INFO L495 AbstractCegarLoop]: Abstraction has 30608 states and 31396 transitions. [2022-07-13 13:05:07,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 114.25) internal successors, (457), 4 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30608 states and 31396 transitions. [2022-07-13 13:05:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2022-07-13 13:05:07,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:07,357 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:07,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-13 13:05:07,358 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:07,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:07,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1524543446, now seen corresponding path program 1 times [2022-07-13 13:05:07,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:07,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662390184] [2022-07-13 13:05:07,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:07,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-07-13 13:05:07,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:07,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662390184] [2022-07-13 13:05:07,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662390184] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:07,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:07,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:07,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355271265] [2022-07-13 13:05:07,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:07,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:07,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:07,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:07,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:07,607 INFO L87 Difference]: Start difference. First operand 30608 states and 31396 transitions. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:08,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:08,437 INFO L93 Difference]: Finished difference Result 49504 states and 50710 transitions. [2022-07-13 13:05:08,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:08,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 786 [2022-07-13 13:05:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:08,456 INFO L225 Difference]: With dead ends: 49504 [2022-07-13 13:05:08,456 INFO L226 Difference]: Without dead ends: 19197 [2022-07-13 13:05:08,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:08,470 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 215 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:08,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 365 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 13:05:08,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19197 states. [2022-07-13 13:05:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19197 to 16802. [2022-07-13 13:05:08,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16802 states, 16801 states have (on average 1.0210106541277304) internal successors, (17154), 16801 states have internal predecessors, (17154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16802 states to 16802 states and 17154 transitions. [2022-07-13 13:05:08,615 INFO L78 Accepts]: Start accepts. Automaton has 16802 states and 17154 transitions. Word has length 786 [2022-07-13 13:05:08,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:08,616 INFO L495 AbstractCegarLoop]: Abstraction has 16802 states and 17154 transitions. [2022-07-13 13:05:08,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 16802 states and 17154 transitions. [2022-07-13 13:05:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2022-07-13 13:05:08,626 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:08,626 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:08,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-13 13:05:08,626 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:08,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:08,627 INFO L85 PathProgramCache]: Analyzing trace with hash -594814793, now seen corresponding path program 1 times [2022-07-13 13:05:08,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:08,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291480554] [2022-07-13 13:05:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2022-07-13 13:05:08,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:08,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291480554] [2022-07-13 13:05:08,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291480554] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:08,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:08,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:08,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452161261] [2022-07-13 13:05:08,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:08,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:08,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:08,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:08,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:08,837 INFO L87 Difference]: Start difference. First operand 16802 states and 17154 transitions. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:09,549 INFO L93 Difference]: Finished difference Result 33302 states and 34002 transitions. [2022-07-13 13:05:09,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:09,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 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 824 [2022-07-13 13:05:09,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:09,560 INFO L225 Difference]: With dead ends: 33302 [2022-07-13 13:05:09,561 INFO L226 Difference]: Without dead ends: 16801 [2022-07-13 13:05:09,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:09,567 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 307 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:09,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 423 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 13:05:09,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16801 states. [2022-07-13 13:05:09,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16801 to 16203. [2022-07-13 13:05:09,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16203 states, 16202 states have (on average 1.0209233427971856) internal successors, (16541), 16202 states have internal predecessors, (16541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16203 states to 16203 states and 16541 transitions. [2022-07-13 13:05:09,692 INFO L78 Accepts]: Start accepts. Automaton has 16203 states and 16541 transitions. Word has length 824 [2022-07-13 13:05:09,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:09,692 INFO L495 AbstractCegarLoop]: Abstraction has 16203 states and 16541 transitions. [2022-07-13 13:05:09,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 16203 states and 16541 transitions. [2022-07-13 13:05:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2022-07-13 13:05:09,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 13:05:09,702 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:09,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-13 13:05:09,702 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 13:05:09,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 13:05:09,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1651126636, now seen corresponding path program 1 times [2022-07-13 13:05:09,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 13:05:09,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116317903] [2022-07-13 13:05:09,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 13:05:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 13:05:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 13:05:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 1361 trivial. 0 not checked. [2022-07-13 13:05:09,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 13:05:09,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116317903] [2022-07-13 13:05:09,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116317903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 13:05:09,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 13:05:09,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 13:05:09,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780812190] [2022-07-13 13:05:09,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 13:05:09,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 13:05:09,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 13:05:09,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 13:05:09,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:09,924 INFO L87 Difference]: Start difference. First operand 16203 states and 16541 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:10,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 13:05:10,649 INFO L93 Difference]: Finished difference Result 34502 states and 35220 transitions. [2022-07-13 13:05:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 13:05:10,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 905 [2022-07-13 13:05:10,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 13:05:10,650 INFO L225 Difference]: With dead ends: 34502 [2022-07-13 13:05:10,650 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 13:05:10,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 13:05:10,660 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 275 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 13:05:10,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 425 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 13:05:10,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 13:05:10,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 13:05:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 13:05:10,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 905 [2022-07-13 13:05:10,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 13:05:10,661 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 13:05:10,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 13:05:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 13:05:10,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 13:05:10,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 13:05:10,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-13 13:05:10,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-13 13:05:21,141 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-13 13:05:21,142 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,143 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,144 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,145 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,146 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-13 13:05:21,147 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-13 13:05:21,148 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,149 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-13 13:05:21,150 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,151 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,152 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-13 13:05:21,153 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,154 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,155 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,156 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,157 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,159 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-13 13:05:21,160 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,161 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,162 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-13 13:05:21,163 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,164 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,165 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-13 13:05:21,166 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-13 13:05:21,166 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-13 13:05:21,166 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-13 13:05:21,166 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,166 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,166 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,166 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,167 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse20 (+ 98 ~a0~0)) (.cse3 (= ~a2~0 4))) (let ((.cse15 (<= ~a29~0 43)) (.cse13 (<= (+ 314811 ~a0~0) 0)) (.cse2 (<= 0 (+ 146 ~a0~0))) (.cse17 (not .cse3)) (.cse12 (<= (+ ~a29~0 127) 0)) (.cse14 (< 0 .cse20)) (.cse11 (<= (+ ~a0~0 61) 0)) (.cse6 (= 3 ~a2~0)) (.cse19 (<= .cse20 0)) (.cse10 (= ~a2~0 1)) (.cse5 (<= (+ 89 ~a4~0) 0)) (.cse16 (<= 5 ~a2~0)) (.cse7 (< 0 (+ ~a4~0 86))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse4 (<= 0 (+ ~a29~0 15))) (.cse9 (<= 0 (+ 599998 ~a0~0))) (.cse0 (<= (+ 104 ~a0~0) 0)) (.cse18 (< 43 ~a29~0)) (.cse8 (= 2 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse9) (and .cse5 .cse10 .cse11) (and (<= 69 ~a0~0) .cse5 .cse6 .cse12) (and .cse7 .cse0 .cse1 .cse9 .cse3 .cse12) (and .cse13 .cse5 .cse6) (and .cse1 .cse10 .cse14 .cse15 .cse11) (and .cse5 .cse3 .cse15) (and .cse13 .cse1 .cse9 .cse16) (and .cse7 .cse13 .cse1 .cse9 .cse3) (and .cse5 .cse10 .cse15) (and .cse7 .cse0 .cse1 .cse2 .cse16 .cse17) (and .cse0 .cse18 .cse1 .cse10) (and .cse7 .cse1 .cse4 .cse9 .cse10 .cse15) (and .cse8 .cse5) (and .cse7 .cse1 .cse8 .cse4 .cse19) (and .cse1 (or (and .cse0 .cse4 .cse6) (and .cse7 .cse0 .cse6)) .cse15) (and .cse13 .cse1 .cse9 .cse10) (and .cse7 .cse1 .cse4 .cse19 .cse2 .cse16 .cse17) (and (<= (+ ~a29~0 145) 0) .cse5 .cse6 .cse12) (and .cse5 .cse3 .cse11) (and .cse5 .cse6 .cse14 .cse11) (and .cse7 .cse0 .cse1 .cse4 .cse9 .cse16) (and .cse19 (or (and .cse7 .cse18 .cse1 .cse6) (and .cse1 (< 0 (+ (div (+ ~a4~0 73) 21) 1)) .cse6))) (and .cse0 .cse18 .cse1 .cse9 .cse16) (and .cse7 .cse1 .cse19 .cse10 (not (<= (+ ~a0~0 147) 0))) (and .cse5 .cse16) (and .cse7 .cse0 .cse1 .cse4 .cse9 .cse3) (and .cse0 .cse18 .cse8)))) [2022-07-13 13:05:21,167 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-13 13:05:21,167 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-13 13:05:21,167 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,167 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,167 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,167 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,167 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,167 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,168 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,168 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-13 13:05:21,168 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,168 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-13 13:05:21,168 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-13 13:05:21,168 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,168 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-13 13:05:21,168 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-13 13:05:21,168 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-13 13:05:21,169 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-13 13:05:21,170 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,170 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,170 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 13:05:21,170 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,170 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,170 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,170 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,170 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse20 (+ 98 ~a0~0)) (.cse3 (= ~a2~0 4))) (let ((.cse15 (<= ~a29~0 43)) (.cse13 (<= (+ 314811 ~a0~0) 0)) (.cse2 (<= 0 (+ 146 ~a0~0))) (.cse17 (not .cse3)) (.cse12 (<= (+ ~a29~0 127) 0)) (.cse14 (< 0 .cse20)) (.cse11 (<= (+ ~a0~0 61) 0)) (.cse6 (= 3 ~a2~0)) (.cse19 (<= .cse20 0)) (.cse10 (= ~a2~0 1)) (.cse5 (<= (+ 89 ~a4~0) 0)) (.cse16 (<= 5 ~a2~0)) (.cse7 (< 0 (+ ~a4~0 86))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse4 (<= 0 (+ ~a29~0 15))) (.cse9 (<= 0 (+ 599998 ~a0~0))) (.cse0 (<= (+ 104 ~a0~0) 0)) (.cse18 (< 43 ~a29~0)) (.cse8 (= 2 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse9) (and .cse5 .cse10 .cse11) (and (<= 69 ~a0~0) .cse5 .cse6 .cse12) (and .cse7 .cse0 .cse1 .cse9 .cse3 .cse12) (and .cse13 .cse5 .cse6) (and .cse1 .cse10 .cse14 .cse15 .cse11) (and .cse5 .cse3 .cse15) (and .cse13 .cse1 .cse9 .cse16) (and .cse7 .cse13 .cse1 .cse9 .cse3) (and .cse5 .cse10 .cse15) (and .cse7 .cse0 .cse1 .cse2 .cse16 .cse17) (and .cse0 .cse18 .cse1 .cse10) (and .cse7 .cse1 .cse4 .cse9 .cse10 .cse15) (and .cse8 .cse5) (and .cse7 .cse1 .cse8 .cse4 .cse19) (and .cse1 (or (and .cse0 .cse4 .cse6) (and .cse7 .cse0 .cse6)) .cse15) (and .cse13 .cse1 .cse9 .cse10) (and .cse7 .cse1 .cse4 .cse19 .cse2 .cse16 .cse17) (and (<= (+ ~a29~0 145) 0) .cse5 .cse6 .cse12) (and .cse5 .cse3 .cse11) (and .cse5 .cse6 .cse14 .cse11) (and .cse7 .cse0 .cse1 .cse4 .cse9 .cse16) (and .cse19 (or (and .cse7 .cse18 .cse1 .cse6) (and .cse1 (< 0 (+ (div (+ ~a4~0 73) 21) 1)) .cse6))) (and .cse0 .cse18 .cse1 .cse9 .cse16) (and .cse7 .cse1 .cse19 .cse10 (not (<= (+ ~a0~0 147) 0))) (and .cse5 .cse16) (and .cse7 .cse0 .cse1 .cse4 .cse9 .cse3) (and .cse0 .cse18 .cse8)))) [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-13 13:05:21,171 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,172 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,173 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-13 13:05:21,174 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,175 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-13 13:05:21,176 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-13 13:05:21,177 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,177 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,177 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,177 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,177 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,177 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,177 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse20 (+ 98 ~a0~0)) (.cse3 (= ~a2~0 4))) (let ((.cse15 (<= ~a29~0 43)) (.cse13 (<= (+ 314811 ~a0~0) 0)) (.cse2 (<= 0 (+ 146 ~a0~0))) (.cse17 (not .cse3)) (.cse12 (<= (+ ~a29~0 127) 0)) (.cse14 (< 0 .cse20)) (.cse11 (<= (+ ~a0~0 61) 0)) (.cse6 (= 3 ~a2~0)) (.cse19 (<= .cse20 0)) (.cse10 (= ~a2~0 1)) (.cse5 (<= (+ 89 ~a4~0) 0)) (.cse16 (<= 5 ~a2~0)) (.cse7 (< 0 (+ ~a4~0 86))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse4 (<= 0 (+ ~a29~0 15))) (.cse9 (<= 0 (+ 599998 ~a0~0))) (.cse0 (<= (+ 104 ~a0~0) 0)) (.cse18 (< 43 ~a29~0)) (.cse8 (= 2 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse9) (and .cse5 .cse10 .cse11) (and (<= 69 ~a0~0) .cse5 .cse6 .cse12) (and .cse7 .cse0 .cse1 .cse9 .cse3 .cse12) (and .cse13 .cse5 .cse6) (and .cse1 .cse10 .cse14 .cse15 .cse11) (and .cse5 .cse3 .cse15) (and .cse13 .cse1 .cse9 .cse16) (and .cse7 .cse13 .cse1 .cse9 .cse3) (and .cse5 .cse10 .cse15) (and .cse7 .cse0 .cse1 .cse2 .cse16 .cse17) (and .cse0 .cse18 .cse1 .cse10) (and .cse7 .cse1 .cse4 .cse9 .cse10 .cse15) (and .cse8 .cse5) (and .cse7 .cse1 .cse8 .cse4 .cse19) (and .cse1 (or (and .cse0 .cse4 .cse6) (and .cse7 .cse0 .cse6)) .cse15) (and .cse13 .cse1 .cse9 .cse10) (and .cse7 .cse1 .cse4 .cse19 .cse2 .cse16 .cse17) (and (<= (+ ~a29~0 145) 0) .cse5 .cse6 .cse12) (and .cse5 .cse3 .cse11) (and .cse5 .cse6 .cse14 .cse11) (and .cse7 .cse0 .cse1 .cse4 .cse9 .cse16) (and .cse19 (or (and .cse7 .cse18 .cse1 .cse6) (and .cse1 (< 0 (+ (div (+ ~a4~0 73) 21) 1)) .cse6))) (and .cse0 .cse18 .cse1 .cse9 .cse16) (and .cse7 .cse1 .cse19 .cse10 (not (<= (+ ~a0~0 147) 0))) (and .cse5 .cse16) (and .cse7 .cse0 .cse1 .cse4 .cse9 .cse3) (and .cse0 .cse18 .cse8)))) [2022-07-13 13:05:21,177 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-13 13:05:21,177 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-13 13:05:21,178 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,179 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,180 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-13 13:05:21,181 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,182 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-13 13:05:21,183 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,184 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-13 13:05:21,184 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-13 13:05:21,186 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 13:05:21,187 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 13:05:21,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 01:05:21 BoogieIcfgContainer [2022-07-13 13:05:21,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 13:05:21,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 13:05:21,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 13:05:21,225 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 13:05:21,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 01:04:25" (3/4) ... [2022-07-13 13:05:21,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 13:05:21,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-13 13:05:21,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 13:05:21,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 13:05:21,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 13:05:21,379 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 13:05:21,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 13:05:21,380 INFO L158 Benchmark]: Toolchain (without parser) took 59058.49ms. Allocated memory was 92.3MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 55.0MB in the beginning and 535.3MB in the end (delta: -480.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-07-13 13:05:21,380 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 13:05:21,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.09ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 59.3MB in the end (delta: -4.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-07-13 13:05:21,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.00ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 60.3MB in the end (delta: -1.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-07-13 13:05:21,380 INFO L158 Benchmark]: Boogie Preprocessor took 183.53ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 60.8MB in the end (delta: -439.8kB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-07-13 13:05:21,381 INFO L158 Benchmark]: RCFGBuilder took 1963.05ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 60.8MB in the beginning and 97.9MB in the end (delta: -37.1MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-07-13 13:05:21,382 INFO L158 Benchmark]: TraceAbstraction took 55989.68ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 96.9MB in the beginning and 559.4MB in the end (delta: -462.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-13 13:05:21,383 INFO L158 Benchmark]: Witness Printer took 153.76ms. Allocated memory is still 1.7GB. Free memory was 559.4MB in the beginning and 535.3MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-13 13:05:21,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.09ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 59.3MB in the end (delta: -4.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.00ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 60.3MB in the end (delta: -1.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 183.53ms. Allocated memory is still 117.4MB. Free memory was 60.3MB in the beginning and 60.8MB in the end (delta: -439.8kB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1963.05ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 60.8MB in the beginning and 97.9MB in the end (delta: -37.1MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * TraceAbstraction took 55989.68ms. Allocated memory was 201.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 96.9MB in the beginning and 559.4MB in the end (delta: -462.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 153.76ms. Allocated memory is still 1.7GB. Free memory was 559.4MB in the beginning and 535.3MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. 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: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 55.9s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 35.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7930 SdHoareTripleChecker+Valid, 31.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7930 mSDsluCounter, 9788 SdHoareTripleChecker+Invalid, 27.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 865 mSDsCounter, 4144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23472 IncrementalHoareTripleChecker+Invalid, 27616 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4144 mSolverCounterUnsat, 8923 mSDtfsCounter, 23472 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2155 GetRequests, 2116 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30608occurred in iteration=22, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 25 MinimizatonAttempts, 34242 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 270 NumberOfFragments, 1909 HoareAnnotationTreeSize, 4 FomulaSimplifications, 15519 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 4 FomulaSimplificationsInter, 79302 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 14391 NumberOfCodeBlocks, 14391 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 14362 ConstructedInterpolants, 0 QuantifiedInterpolants, 31053 SizeOfPredicates, 1 NumberOfNonLiveVariables, 2629 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 29 InterpolantComputations, 25 PerfectInterpolantSequences, 14579/14831 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 4) || ((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((69 <= a0 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 4) && a29 + 127 <= 0)) || ((314811 + a0 <= 0 && 89 + a4 <= 0) && 3 == a2)) || ((((42 + a4 <= 0 && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((314811 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 599998 + a0) && 5 <= a2)) || ((((0 < a4 + 86 && 314811 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a2 == 1)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && a29 <= 43)) || (2 == a2 && 89 + a4 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0)) || ((42 + a4 <= 0 && (((104 + a0 <= 0 && 0 <= a29 + 15) && 3 == a2) || ((0 < a4 + 86 && 104 + a0 <= 0) && 3 == a2))) && a29 <= 43)) || (((314811 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 1)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && 5 <= a2)) || (98 + a0 <= 0 && ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 3 == a2) || ((42 + a4 <= 0 && 0 < (a4 + 73) / 21 + 1) && 3 == a2)))) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && 0 <= 599998 + a0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && !(a0 + 147 <= 0))) || (89 + a4 <= 0 && 5 <= a2)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 4)) || ((104 + a0 <= 0 && 43 < a29) && 2 == a2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 4) || ((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((69 <= a0 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 4) && a29 + 127 <= 0)) || ((314811 + a0 <= 0 && 89 + a4 <= 0) && 3 == a2)) || ((((42 + a4 <= 0 && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((314811 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 599998 + a0) && 5 <= a2)) || ((((0 < a4 + 86 && 314811 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a2 == 1)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && a29 <= 43)) || (2 == a2 && 89 + a4 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0)) || ((42 + a4 <= 0 && (((104 + a0 <= 0 && 0 <= a29 + 15) && 3 == a2) || ((0 < a4 + 86 && 104 + a0 <= 0) && 3 == a2))) && a29 <= 43)) || (((314811 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 1)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && 5 <= a2)) || (98 + a0 <= 0 && ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 3 == a2) || ((42 + a4 <= 0 && 0 < (a4 + 73) / 21 + 1) && 3 == a2)))) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && 0 <= 599998 + a0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && !(a0 + 147 <= 0))) || (89 + a4 <= 0 && 5 <= a2)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 4)) || ((104 + a0 <= 0 && 43 < a29) && 2 == a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 4) || ((0 <= a29 + 15 && 89 + a4 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((69 <= a0 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 4) && a29 + 127 <= 0)) || ((314811 + a0 <= 0 && 89 + a4 <= 0) && 3 == a2)) || ((((42 + a4 <= 0 && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((314811 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 599998 + a0) && 5 <= a2)) || ((((0 < a4 + 86 && 314811 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a2 == 1)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && a29 <= 43)) || (2 == a2 && 89 + a4 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0)) || ((42 + a4 <= 0 && (((104 + a0 <= 0 && 0 <= a29 + 15) && 3 == a2) || ((0 < a4 + 86 && 104 + a0 <= 0) && 3 == a2))) && a29 <= 43)) || (((314811 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a2 == 1)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && 5 <= a2)) || (98 + a0 <= 0 && ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 3 == a2) || ((42 + a4 <= 0 && 0 < (a4 + 73) / 21 + 1) && 3 == a2)))) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && 0 <= 599998 + a0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && !(a0 + 147 <= 0))) || (89 + a4 <= 0 && 5 <= a2)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 4)) || ((104 + a0 <= 0 && 43 < a29) && 2 == a2) RESULT: Ultimate proved your program to be correct! [2022-07-13 13:05:21,419 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