./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem03_label22.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 f365a0f129fa90e96f59a2a67efc46f6bd75f705664f3dab23b0f5e5824e9e07 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 11:25:18,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 11:25:18,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 11:25:18,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 11:25:18,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 11:25:18,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 11:25:18,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 11:25:18,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 11:25:18,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 11:25:18,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 11:25:18,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 11:25:18,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 11:25:18,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 11:25:18,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 11:25:18,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 11:25:18,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 11:25:18,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 11:25:18,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 11:25:18,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 11:25:18,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 11:25:18,280 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 11:25:18,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 11:25:18,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 11:25:18,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 11:25:18,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 11:25:18,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 11:25:18,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 11:25:18,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 11:25:18,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 11:25:18,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 11:25:18,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 11:25:18,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 11:25:18,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 11:25:18,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 11:25:18,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 11:25:18,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 11:25:18,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 11:25:18,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 11:25:18,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 11:25:18,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 11:25:18,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 11:25:18,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 11:25:18,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 11:25:18,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 11:25:18,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 11:25:18,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 11:25:18,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 11:25:18,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 11:25:18,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 11:25:18,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 11:25:18,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 11:25:18,339 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 11:25:18,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 11:25:18,340 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 11:25:18,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 11:25:18,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 11:25:18,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 11:25:18,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 11:25:18,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 11:25:18,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 11:25:18,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 11:25:18,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 11:25:18,342 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 11:25:18,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 11:25:18,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 11:25:18,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 11:25:18,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 11:25:18,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:25:18,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 11:25:18,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 11:25:18,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 11:25:18,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 11:25:18,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 11:25:18,345 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 11:25:18,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 11:25:18,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 11:25:18,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f365a0f129fa90e96f59a2a67efc46f6bd75f705664f3dab23b0f5e5824e9e07 [2022-07-22 11:25:18,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 11:25:18,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 11:25:18,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 11:25:18,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 11:25:18,625 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 11:25:18,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2022-07-22 11:25:18,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5080abd23/e5559a9b57ae45f3987067f02c947eed/FLAG8b34c30b2 [2022-07-22 11:25:19,244 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 11:25:19,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2022-07-22 11:25:19,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5080abd23/e5559a9b57ae45f3987067f02c947eed/FLAG8b34c30b2 [2022-07-22 11:25:19,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5080abd23/e5559a9b57ae45f3987067f02c947eed [2022-07-22 11:25:19,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 11:25:19,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 11:25:19,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 11:25:19,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 11:25:19,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 11:25:19,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:25:19" (1/1) ... [2022-07-22 11:25:19,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2560bcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:19, skipping insertion in model container [2022-07-22 11:25:19,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:25:19" (1/1) ... [2022-07-22 11:25:19,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 11:25:19,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 11:25:20,216 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/Problem03_label22.c[56764,56777] [2022-07-22 11:25:20,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:25:20,264 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 11:25:20,465 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/Problem03_label22.c[56764,56777] [2022-07-22 11:25:20,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 11:25:20,499 INFO L208 MainTranslator]: Completed translation [2022-07-22 11:25:20,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20 WrapperNode [2022-07-22 11:25:20,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 11:25:20,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 11:25:20,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 11:25:20,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 11:25:20,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,654 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-07-22 11:25:20,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 11:25:20,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 11:25:20,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 11:25:20,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 11:25:20,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 11:25:20,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 11:25:20,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 11:25:20,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 11:25:20,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (1/1) ... [2022-07-22 11:25:20,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 11:25:20,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:20,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 11:25:20,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 11:25:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 11:25:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 11:25:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 11:25:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 11:25:20,987 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 11:25:20,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 11:25:22,527 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 11:25:22,543 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 11:25:22,543 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 11:25:22,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:25:22 BoogieIcfgContainer [2022-07-22 11:25:22,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 11:25:22,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 11:25:22,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 11:25:22,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 11:25:22,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:25:19" (1/3) ... [2022-07-22 11:25:22,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77df9721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:25:22, skipping insertion in model container [2022-07-22 11:25:22,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:25:20" (2/3) ... [2022-07-22 11:25:22,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77df9721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:25:22, skipping insertion in model container [2022-07-22 11:25:22,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:25:22" (3/3) ... [2022-07-22 11:25:22,555 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label22.c [2022-07-22 11:25:22,568 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 11:25:22,569 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 11:25:22,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 11:25:22,646 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@2fcbfe88, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@210ead32 [2022-07-22 11:25:22,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 11:25:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-22 11:25:22,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:22,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:22,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:22,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:22,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1133598669, now seen corresponding path program 1 times [2022-07-22 11:25:22,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:22,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490301723] [2022-07-22 11:25:22,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:22,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:25:23,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:23,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490301723] [2022-07-22 11:25:23,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490301723] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:23,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:23,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:25:23,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901514495] [2022-07-22 11:25:23,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:23,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:23,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:23,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:23,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:23,259 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:24,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:24,293 INFO L93 Difference]: Finished difference Result 833 states and 1474 transitions. [2022-07-22 11:25:24,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:24,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2022-07-22 11:25:24,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:24,309 INFO L225 Difference]: With dead ends: 833 [2022-07-22 11:25:24,309 INFO L226 Difference]: Without dead ends: 454 [2022-07-22 11:25:24,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:24,316 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 124 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:24,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 163 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 11:25:24,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-07-22 11:25:24,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2022-07-22 11:25:24,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.55902004454343) internal successors, (700), 449 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:24,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 700 transitions. [2022-07-22 11:25:24,386 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 700 transitions. Word has length 167 [2022-07-22 11:25:24,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:24,387 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 700 transitions. [2022-07-22 11:25:24,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 700 transitions. [2022-07-22 11:25:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-22 11:25:24,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:24,391 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 11:25:24,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 11:25:24,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:24,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:24,392 INFO L85 PathProgramCache]: Analyzing trace with hash 325593383, now seen corresponding path program 1 times [2022-07-22 11:25:24,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:24,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293273002] [2022-07-22 11:25:24,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:24,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:25:24,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:24,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293273002] [2022-07-22 11:25:24,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293273002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:24,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:24,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:25:24,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740362377] [2022-07-22 11:25:24,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:24,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:24,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:24,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:24,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:24,527 INFO L87 Difference]: Start difference. First operand 450 states and 700 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:25,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:25,260 INFO L93 Difference]: Finished difference Result 1337 states and 2085 transitions. [2022-07-22 11:25:25,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:25,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-07-22 11:25:25,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:25,264 INFO L225 Difference]: With dead ends: 1337 [2022-07-22 11:25:25,264 INFO L226 Difference]: Without dead ends: 889 [2022-07-22 11:25:25,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:25,267 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 285 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:25,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 104 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:25:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-07-22 11:25:25,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 885. [2022-07-22 11:25:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 884 states have (on average 1.5429864253393666) internal successors, (1364), 884 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1364 transitions. [2022-07-22 11:25:25,323 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1364 transitions. Word has length 173 [2022-07-22 11:25:25,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:25,323 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1364 transitions. [2022-07-22 11:25:25,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:25,324 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1364 transitions. [2022-07-22 11:25:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-22 11:25:25,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:25,328 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:25,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 11:25:25,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:25,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:25,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1446106020, now seen corresponding path program 1 times [2022-07-22 11:25:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:25,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854760354] [2022-07-22 11:25:25,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:25,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:25:25,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:25,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854760354] [2022-07-22 11:25:25,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854760354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:25,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:25,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:25:25,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171957150] [2022-07-22 11:25:25,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:25,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:25,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:25,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:25,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:25,417 INFO L87 Difference]: Start difference. First operand 885 states and 1364 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:26,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:26,128 INFO L93 Difference]: Finished difference Result 2599 states and 4012 transitions. [2022-07-22 11:25:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:26,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-07-22 11:25:26,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:26,135 INFO L225 Difference]: With dead ends: 2599 [2022-07-22 11:25:26,136 INFO L226 Difference]: Without dead ends: 1716 [2022-07-22 11:25:26,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:26,139 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 258 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:26,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 134 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:25:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-07-22 11:25:26,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1714. [2022-07-22 11:25:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.4687682428488034) internal successors, (2516), 1713 states have internal predecessors, (2516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2516 transitions. [2022-07-22 11:25:26,180 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2516 transitions. Word has length 180 [2022-07-22 11:25:26,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:26,180 INFO L495 AbstractCegarLoop]: Abstraction has 1714 states and 2516 transitions. [2022-07-22 11:25:26,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2516 transitions. [2022-07-22 11:25:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-22 11:25:26,186 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:26,186 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-22 11:25:26,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 11:25:26,187 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:26,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:26,187 INFO L85 PathProgramCache]: Analyzing trace with hash 212767863, now seen corresponding path program 1 times [2022-07-22 11:25:26,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:26,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496634569] [2022-07-22 11:25:26,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:26,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:25:26,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:26,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496634569] [2022-07-22 11:25:26,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496634569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:26,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:26,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:25:26,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937282338] [2022-07-22 11:25:26,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:26,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:26,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:26,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:26,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:26,256 INFO L87 Difference]: Start difference. First operand 1714 states and 2516 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:26,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:26,942 INFO L93 Difference]: Finished difference Result 4665 states and 6865 transitions. [2022-07-22 11:25:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:26,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-07-22 11:25:26,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:26,954 INFO L225 Difference]: With dead ends: 4665 [2022-07-22 11:25:26,955 INFO L226 Difference]: Without dead ends: 2953 [2022-07-22 11:25:26,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:26,959 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 241 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:26,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 167 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:25:26,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2953 states. [2022-07-22 11:25:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2953 to 2949. [2022-07-22 11:25:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2948 states have (on average 1.4189280868385346) internal successors, (4183), 2948 states have internal predecessors, (4183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 4183 transitions. [2022-07-22 11:25:27,017 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 4183 transitions. Word has length 180 [2022-07-22 11:25:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:27,017 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 4183 transitions. [2022-07-22 11:25:27,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 4183 transitions. [2022-07-22 11:25:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-22 11:25:27,024 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:27,024 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:27,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 11:25:27,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:27,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:27,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1433692648, now seen corresponding path program 1 times [2022-07-22 11:25:27,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:27,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38564482] [2022-07-22 11:25:27,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:27,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 11:25:27,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:27,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38564482] [2022-07-22 11:25:27,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38564482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:27,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:27,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:25:27,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76737746] [2022-07-22 11:25:27,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:27,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:27,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:27,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:27,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:27,089 INFO L87 Difference]: Start difference. First operand 2949 states and 4183 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:27,883 INFO L93 Difference]: Finished difference Result 8575 states and 12210 transitions. [2022-07-22 11:25:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:27,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2022-07-22 11:25:27,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:27,905 INFO L225 Difference]: With dead ends: 8575 [2022-07-22 11:25:27,905 INFO L226 Difference]: Without dead ends: 5831 [2022-07-22 11:25:27,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:27,914 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:27,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 92 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:25:27,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5831 states. [2022-07-22 11:25:28,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5831 to 5795. [2022-07-22 11:25:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5795 states, 5794 states have (on average 1.387124611667242) internal successors, (8037), 5794 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5795 states to 5795 states and 8037 transitions. [2022-07-22 11:25:28,037 INFO L78 Accepts]: Start accepts. Automaton has 5795 states and 8037 transitions. Word has length 181 [2022-07-22 11:25:28,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:28,039 INFO L495 AbstractCegarLoop]: Abstraction has 5795 states and 8037 transitions. [2022-07-22 11:25:28,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 5795 states and 8037 transitions. [2022-07-22 11:25:28,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-22 11:25:28,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:28,053 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 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] [2022-07-22 11:25:28,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 11:25:28,055 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:28,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:28,056 INFO L85 PathProgramCache]: Analyzing trace with hash -509944834, now seen corresponding path program 1 times [2022-07-22 11:25:28,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:28,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566918859] [2022-07-22 11:25:28,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:28,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-22 11:25:28,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:28,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566918859] [2022-07-22 11:25:28,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566918859] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:28,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:28,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:25:28,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007147599] [2022-07-22 11:25:28,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:28,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:28,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:28,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:28,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:28,161 INFO L87 Difference]: Start difference. First operand 5795 states and 8037 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:29,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:29,060 INFO L93 Difference]: Finished difference Result 17290 states and 23986 transitions. [2022-07-22 11:25:29,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:29,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 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 195 [2022-07-22 11:25:29,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:29,104 INFO L225 Difference]: With dead ends: 17290 [2022-07-22 11:25:29,105 INFO L226 Difference]: Without dead ends: 11497 [2022-07-22 11:25:29,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:29,116 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:29,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 415 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 11:25:29,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11497 states. [2022-07-22 11:25:29,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11497 to 11490. [2022-07-22 11:25:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11490 states, 11489 states have (on average 1.2984593959439463) internal successors, (14918), 11489 states have internal predecessors, (14918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11490 states to 11490 states and 14918 transitions. [2022-07-22 11:25:29,344 INFO L78 Accepts]: Start accepts. Automaton has 11490 states and 14918 transitions. Word has length 195 [2022-07-22 11:25:29,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:29,345 INFO L495 AbstractCegarLoop]: Abstraction has 11490 states and 14918 transitions. [2022-07-22 11:25:29,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 11490 states and 14918 transitions. [2022-07-22 11:25:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-22 11:25:29,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:29,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:29,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 11:25:29,364 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:29,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:29,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1313048590, now seen corresponding path program 1 times [2022-07-22 11:25:29,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:29,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664529071] [2022-07-22 11:25:29,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:29,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 11:25:29,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:29,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664529071] [2022-07-22 11:25:29,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664529071] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:29,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:29,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:25:29,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930955312] [2022-07-22 11:25:29,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:29,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:29,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:29,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:29,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:29,491 INFO L87 Difference]: Start difference. First operand 11490 states and 14918 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:30,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:30,367 INFO L93 Difference]: Finished difference Result 30541 states and 39608 transitions. [2022-07-22 11:25:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:30,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 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 [2022-07-22 11:25:30,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:30,423 INFO L225 Difference]: With dead ends: 30541 [2022-07-22 11:25:30,423 INFO L226 Difference]: Without dead ends: 19865 [2022-07-22 11:25:30,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:30,443 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 217 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:30,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 161 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:25:30,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19865 states. [2022-07-22 11:25:30,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19865 to 19849. [2022-07-22 11:25:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19849 states, 19848 states have (on average 1.2673821039903266) internal successors, (25155), 19848 states have internal predecessors, (25155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19849 states to 19849 states and 25155 transitions. [2022-07-22 11:25:30,842 INFO L78 Accepts]: Start accepts. Automaton has 19849 states and 25155 transitions. Word has length 202 [2022-07-22 11:25:30,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:30,843 INFO L495 AbstractCegarLoop]: Abstraction has 19849 states and 25155 transitions. [2022-07-22 11:25:30,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:30,844 INFO L276 IsEmpty]: Start isEmpty. Operand 19849 states and 25155 transitions. [2022-07-22 11:25:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-22 11:25:30,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:30,875 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:30,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 11:25:30,876 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:30,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:30,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1206143638, now seen corresponding path program 1 times [2022-07-22 11:25:30,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:30,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490368045] [2022-07-22 11:25:30,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:30,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-22 11:25:30,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:30,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490368045] [2022-07-22 11:25:30,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490368045] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:30,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:30,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:25:30,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138181569] [2022-07-22 11:25:30,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:30,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:30,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:30,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:30,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:30,971 INFO L87 Difference]: Start difference. First operand 19849 states and 25155 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:31,896 INFO L93 Difference]: Finished difference Result 45211 states and 57500 transitions. [2022-07-22 11:25:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:31,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-07-22 11:25:31,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:31,955 INFO L225 Difference]: With dead ends: 45211 [2022-07-22 11:25:31,956 INFO L226 Difference]: Without dead ends: 25364 [2022-07-22 11:25:31,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:31,983 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 210 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:31,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 408 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:25:32,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25364 states. [2022-07-22 11:25:32,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25364 to 24516. [2022-07-22 11:25:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24516 states, 24515 states have (on average 1.2366306343055273) internal successors, (30316), 24515 states have internal predecessors, (30316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24516 states to 24516 states and 30316 transitions. [2022-07-22 11:25:32,451 INFO L78 Accepts]: Start accepts. Automaton has 24516 states and 30316 transitions. Word has length 221 [2022-07-22 11:25:32,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:32,451 INFO L495 AbstractCegarLoop]: Abstraction has 24516 states and 30316 transitions. [2022-07-22 11:25:32,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 24516 states and 30316 transitions. [2022-07-22 11:25:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-07-22 11:25:32,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:32,490 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:32,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 11:25:32,492 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:32,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:32,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1545620703, now seen corresponding path program 1 times [2022-07-22 11:25:32,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:32,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235318600] [2022-07-22 11:25:32,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:32,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-22 11:25:32,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:32,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235318600] [2022-07-22 11:25:32,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235318600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:32,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:32,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:25:32,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223934987] [2022-07-22 11:25:32,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:32,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:32,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:32,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:32,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:32,590 INFO L87 Difference]: Start difference. First operand 24516 states and 30316 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:33,587 INFO L93 Difference]: Finished difference Result 53726 states and 66206 transitions. [2022-07-22 11:25:33,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:33,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 227 [2022-07-22 11:25:33,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:33,648 INFO L225 Difference]: With dead ends: 53726 [2022-07-22 11:25:33,648 INFO L226 Difference]: Without dead ends: 30227 [2022-07-22 11:25:33,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:33,679 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 204 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:33,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 184 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 11:25:33,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30227 states. [2022-07-22 11:25:34,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30227 to 30200. [2022-07-22 11:25:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30200 states, 30199 states have (on average 1.2158018477433028) internal successors, (36716), 30199 states have internal predecessors, (36716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30200 states to 30200 states and 36716 transitions. [2022-07-22 11:25:34,145 INFO L78 Accepts]: Start accepts. Automaton has 30200 states and 36716 transitions. Word has length 227 [2022-07-22 11:25:34,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:34,145 INFO L495 AbstractCegarLoop]: Abstraction has 30200 states and 36716 transitions. [2022-07-22 11:25:34,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 30200 states and 36716 transitions. [2022-07-22 11:25:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-22 11:25:34,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:34,186 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 11:25:34,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 11:25:34,186 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:34,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:34,191 INFO L85 PathProgramCache]: Analyzing trace with hash -176441772, now seen corresponding path program 2 times [2022-07-22 11:25:34,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:34,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292155880] [2022-07-22 11:25:34,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:34,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-22 11:25:34,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:34,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292155880] [2022-07-22 11:25:34,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292155880] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:25:34,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726662993] [2022-07-22 11:25:34,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 11:25:34,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:34,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:34,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:25:34,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 11:25:34,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 11:25:34,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 11:25:34,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:25:34,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:25:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-22 11:25:34,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:25:34,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726662993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:34,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:25:34,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:25:34,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047351205] [2022-07-22 11:25:34,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:34,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:34,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:34,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:34,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:34,639 INFO L87 Difference]: Start difference. First operand 30200 states and 36716 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:35,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:35,896 INFO L93 Difference]: Finished difference Result 71975 states and 87976 transitions. [2022-07-22 11:25:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:35,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-07-22 11:25:35,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:35,972 INFO L225 Difference]: With dead ends: 71975 [2022-07-22 11:25:35,973 INFO L226 Difference]: Without dead ends: 44416 [2022-07-22 11:25:35,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:35,998 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 234 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:36,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 409 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 11:25:36,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44416 states. [2022-07-22 11:25:36,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44416 to 44207. [2022-07-22 11:25:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44207 states, 44206 states have (on average 1.2091345066280594) internal successors, (53451), 44206 states have internal predecessors, (53451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44207 states to 44207 states and 53451 transitions. [2022-07-22 11:25:36,787 INFO L78 Accepts]: Start accepts. Automaton has 44207 states and 53451 transitions. Word has length 234 [2022-07-22 11:25:36,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:36,788 INFO L495 AbstractCegarLoop]: Abstraction has 44207 states and 53451 transitions. [2022-07-22 11:25:36,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 44207 states and 53451 transitions. [2022-07-22 11:25:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-07-22 11:25:36,856 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:36,857 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-22 11:25:36,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-22 11:25:37,083 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 [2022-07-22 11:25:37,084 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:37,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:37,084 INFO L85 PathProgramCache]: Analyzing trace with hash -474004114, now seen corresponding path program 1 times [2022-07-22 11:25:37,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:37,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132964543] [2022-07-22 11:25:37,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:37,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-22 11:25:37,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:37,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132964543] [2022-07-22 11:25:37,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132964543] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:25:37,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973161993] [2022-07-22 11:25:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:37,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:37,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:37,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:25:37,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 11:25:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:37,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:25:37,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:25:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-22 11:25:37,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:25:37,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973161993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:37,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:25:37,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-22 11:25:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490164321] [2022-07-22 11:25:37,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:37,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:37,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:37,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:37,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:37,512 INFO L87 Difference]: Start difference. First operand 44207 states and 53451 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:38,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:38,578 INFO L93 Difference]: Finished difference Result 82930 states and 100566 transitions. [2022-07-22 11:25:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:38,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 240 [2022-07-22 11:25:38,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:38,641 INFO L225 Difference]: With dead ends: 82930 [2022-07-22 11:25:38,642 INFO L226 Difference]: Without dead ends: 39131 [2022-07-22 11:25:38,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:38,660 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 226 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:38,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 166 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:25:38,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39131 states. [2022-07-22 11:25:39,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39131 to 36284. [2022-07-22 11:25:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36284 states, 36283 states have (on average 1.1551415263346472) internal successors, (41912), 36283 states have internal predecessors, (41912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36284 states to 36284 states and 41912 transitions. [2022-07-22 11:25:39,260 INFO L78 Accepts]: Start accepts. Automaton has 36284 states and 41912 transitions. Word has length 240 [2022-07-22 11:25:39,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:39,260 INFO L495 AbstractCegarLoop]: Abstraction has 36284 states and 41912 transitions. [2022-07-22 11:25:39,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 36284 states and 41912 transitions. [2022-07-22 11:25:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-22 11:25:39,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:39,288 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-22 11:25:39,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 11:25:39,503 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,SelfDestructingSolverStorable10 [2022-07-22 11:25:39,504 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:39,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:39,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1197379301, now seen corresponding path program 1 times [2022-07-22 11:25:39,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:39,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072851614] [2022-07-22 11:25:39,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:39,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-22 11:25:39,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:39,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072851614] [2022-07-22 11:25:39,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072851614] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:39,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:39,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:25:39,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503869166] [2022-07-22 11:25:39,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:39,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 11:25:39,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:39,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 11:25:39,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:25:39,610 INFO L87 Difference]: Start difference. First operand 36284 states and 41912 transitions. Second operand has 4 states, 4 states have (on average 53.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:40,985 INFO L93 Difference]: Finished difference Result 71396 states and 82559 transitions. [2022-07-22 11:25:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 11:25:40,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2022-07-22 11:25:40,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:41,035 INFO L225 Difference]: With dead ends: 71396 [2022-07-22 11:25:41,035 INFO L226 Difference]: Without dead ends: 36332 [2022-07-22 11:25:41,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:25:41,062 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 405 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:41,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 194 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 11:25:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36332 states. [2022-07-22 11:25:41,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36332 to 35472. [2022-07-22 11:25:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35472 states, 35471 states have (on average 1.15632488511742) internal successors, (41016), 35471 states have internal predecessors, (41016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35472 states to 35472 states and 41016 transitions. [2022-07-22 11:25:41,640 INFO L78 Accepts]: Start accepts. Automaton has 35472 states and 41016 transitions. Word has length 241 [2022-07-22 11:25:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:41,640 INFO L495 AbstractCegarLoop]: Abstraction has 35472 states and 41016 transitions. [2022-07-22 11:25:41,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 35472 states and 41016 transitions. [2022-07-22 11:25:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-22 11:25:41,669 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:41,669 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 11:25:41,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 11:25:41,669 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:41,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:41,670 INFO L85 PathProgramCache]: Analyzing trace with hash -404609305, now seen corresponding path program 1 times [2022-07-22 11:25:41,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:41,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917546847] [2022-07-22 11:25:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:41,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 11:25:41,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:41,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917546847] [2022-07-22 11:25:41,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917546847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:41,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:41,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:25:41,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411399738] [2022-07-22 11:25:41,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:41,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:41,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:41,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:41,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:41,802 INFO L87 Difference]: Start difference. First operand 35472 states and 41016 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:42,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:42,570 INFO L93 Difference]: Finished difference Result 70335 states and 81368 transitions. [2022-07-22 11:25:42,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:42,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2022-07-22 11:25:42,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:42,794 INFO L225 Difference]: With dead ends: 70335 [2022-07-22 11:25:42,794 INFO L226 Difference]: Without dead ends: 36083 [2022-07-22 11:25:42,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:42,818 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 133 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:42,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 197 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:25:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36083 states. [2022-07-22 11:25:43,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36083 to 36081. [2022-07-22 11:25:43,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36081 states, 36080 states have (on average 1.1554046563192906) internal successors, (41687), 36080 states have internal predecessors, (41687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36081 states to 36081 states and 41687 transitions. [2022-07-22 11:25:43,453 INFO L78 Accepts]: Start accepts. Automaton has 36081 states and 41687 transitions. Word has length 241 [2022-07-22 11:25:43,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:43,454 INFO L495 AbstractCegarLoop]: Abstraction has 36081 states and 41687 transitions. [2022-07-22 11:25:43,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 36081 states and 41687 transitions. [2022-07-22 11:25:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-22 11:25:43,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:43,480 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:43,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 11:25:43,480 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:43,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:43,481 INFO L85 PathProgramCache]: Analyzing trace with hash -178927718, now seen corresponding path program 1 times [2022-07-22 11:25:43,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:43,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768929201] [2022-07-22 11:25:43,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:43,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 92 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-07-22 11:25:43,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:43,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768929201] [2022-07-22 11:25:43,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768929201] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:25:43,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016100599] [2022-07-22 11:25:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:43,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:43,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:43,581 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) [2022-07-22 11:25:43,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 11:25:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:43,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 11:25:43,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:25:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-07-22 11:25:43,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:25:43,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016100599] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:43,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:25:43,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-22 11:25:43,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129119651] [2022-07-22 11:25:43,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:43,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:43,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:43,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:43,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:43,790 INFO L87 Difference]: Start difference. First operand 36081 states and 41687 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:44,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:44,246 INFO L93 Difference]: Finished difference Result 63753 states and 73373 transitions. [2022-07-22 11:25:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:44,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2022-07-22 11:25:44,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:44,395 INFO L225 Difference]: With dead ends: 63753 [2022-07-22 11:25:44,396 INFO L226 Difference]: Without dead ends: 29501 [2022-07-22 11:25:44,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:44,422 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 308 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:44,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 11:25:44,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29501 states. [2022-07-22 11:25:44,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29501 to 28892. [2022-07-22 11:25:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28892 states, 28891 states have (on average 1.134505555363262) internal successors, (32777), 28891 states have internal predecessors, (32777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28892 states to 28892 states and 32777 transitions. [2022-07-22 11:25:44,779 INFO L78 Accepts]: Start accepts. Automaton has 28892 states and 32777 transitions. Word has length 248 [2022-07-22 11:25:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:44,779 INFO L495 AbstractCegarLoop]: Abstraction has 28892 states and 32777 transitions. [2022-07-22 11:25:44,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 28892 states and 32777 transitions. [2022-07-22 11:25:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-22 11:25:44,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:44,797 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:44,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 11:25:44,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:44,999 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:44,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:44,999 INFO L85 PathProgramCache]: Analyzing trace with hash 2059293100, now seen corresponding path program 1 times [2022-07-22 11:25:44,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:44,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839315375] [2022-07-22 11:25:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 113 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-22 11:25:45,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:45,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839315375] [2022-07-22 11:25:45,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839315375] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:25:45,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129608742] [2022-07-22 11:25:45,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:45,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:45,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:45,258 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) [2022-07-22 11:25:45,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 11:25:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:45,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:25:45,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:25:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-22 11:25:45,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:25:45,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129608742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:45,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:25:45,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-22 11:25:45,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795869259] [2022-07-22 11:25:45,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:45,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:45,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:45,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:45,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:45,511 INFO L87 Difference]: Start difference. First operand 28892 states and 32777 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:46,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:46,361 INFO L93 Difference]: Finished difference Result 63488 states and 72357 transitions. [2022-07-22 11:25:46,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:46,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 274 [2022-07-22 11:25:46,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:46,407 INFO L225 Difference]: With dead ends: 63488 [2022-07-22 11:25:46,407 INFO L226 Difference]: Without dead ends: 36222 [2022-07-22 11:25:46,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:46,429 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 154 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:46,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 156 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:25:46,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36222 states. [2022-07-22 11:25:46,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36222 to 35800. [2022-07-22 11:25:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35800 states, 35799 states have (on average 1.1381602838068103) internal successors, (40745), 35799 states have internal predecessors, (40745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35800 states to 35800 states and 40745 transitions. [2022-07-22 11:25:46,971 INFO L78 Accepts]: Start accepts. Automaton has 35800 states and 40745 transitions. Word has length 274 [2022-07-22 11:25:46,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:46,971 INFO L495 AbstractCegarLoop]: Abstraction has 35800 states and 40745 transitions. [2022-07-22 11:25:46,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 35800 states and 40745 transitions. [2022-07-22 11:25:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-22 11:25:46,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:46,990 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 11:25:47,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-22 11:25:47,193 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,SelfDestructingSolverStorable14 [2022-07-22 11:25:47,193 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:47,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:47,194 INFO L85 PathProgramCache]: Analyzing trace with hash -618021616, now seen corresponding path program 1 times [2022-07-22 11:25:47,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:47,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993483215] [2022-07-22 11:25:47,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-22 11:25:47,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:47,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993483215] [2022-07-22 11:25:47,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993483215] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:47,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:47,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 11:25:47,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841695585] [2022-07-22 11:25:47,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:47,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:47,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:47,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:47,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:47,291 INFO L87 Difference]: Start difference. First operand 35800 states and 40745 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:48,185 INFO L93 Difference]: Finished difference Result 77918 states and 88964 transitions. [2022-07-22 11:25:48,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:48,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 275 [2022-07-22 11:25:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:48,233 INFO L225 Difference]: With dead ends: 77918 [2022-07-22 11:25:48,233 INFO L226 Difference]: Without dead ends: 44353 [2022-07-22 11:25:48,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 11:25:48,259 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 207 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:48,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 163 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 11:25:48,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44353 states. [2022-07-22 11:25:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44353 to 44348. [2022-07-22 11:25:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44348 states, 44347 states have (on average 1.142106568651769) internal successors, (50649), 44347 states have internal predecessors, (50649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44348 states to 44348 states and 50649 transitions. [2022-07-22 11:25:48,808 INFO L78 Accepts]: Start accepts. Automaton has 44348 states and 50649 transitions. Word has length 275 [2022-07-22 11:25:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:48,808 INFO L495 AbstractCegarLoop]: Abstraction has 44348 states and 50649 transitions. [2022-07-22 11:25:48,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 44348 states and 50649 transitions. [2022-07-22 11:25:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-22 11:25:48,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:48,828 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 11:25:48,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 11:25:48,828 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:48,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:48,829 INFO L85 PathProgramCache]: Analyzing trace with hash 819492618, now seen corresponding path program 1 times [2022-07-22 11:25:48,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:48,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681350461] [2022-07-22 11:25:48,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:48,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-22 11:25:48,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:48,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681350461] [2022-07-22 11:25:48,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681350461] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:48,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:48,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:25:48,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306559850] [2022-07-22 11:25:48,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:48,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 11:25:48,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:48,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 11:25:48,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:25:48,948 INFO L87 Difference]: Start difference. First operand 44348 states and 50649 transitions. Second operand has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:49,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:49,952 INFO L93 Difference]: Finished difference Result 86465 states and 99207 transitions. [2022-07-22 11:25:49,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 11:25:49,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 285 [2022-07-22 11:25:49,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:50,006 INFO L225 Difference]: With dead ends: 86465 [2022-07-22 11:25:50,006 INFO L226 Difference]: Without dead ends: 44555 [2022-07-22 11:25:50,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:25:50,034 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 435 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:50,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 62 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 11:25:50,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44555 states. [2022-07-22 11:25:50,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44555 to 41507. [2022-07-22 11:25:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41507 states, 41506 states have (on average 1.1329928203151352) internal successors, (47026), 41506 states have internal predecessors, (47026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41507 states to 41507 states and 47026 transitions. [2022-07-22 11:25:50,649 INFO L78 Accepts]: Start accepts. Automaton has 41507 states and 47026 transitions. Word has length 285 [2022-07-22 11:25:50,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:50,649 INFO L495 AbstractCegarLoop]: Abstraction has 41507 states and 47026 transitions. [2022-07-22 11:25:50,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 41507 states and 47026 transitions. [2022-07-22 11:25:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-22 11:25:50,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:50,668 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 11:25:50,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 11:25:50,669 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:50,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:50,669 INFO L85 PathProgramCache]: Analyzing trace with hash 271852871, now seen corresponding path program 1 times [2022-07-22 11:25:50,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:50,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836726077] [2022-07-22 11:25:50,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:50,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-22 11:25:50,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:50,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836726077] [2022-07-22 11:25:50,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836726077] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:50,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 11:25:50,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 11:25:50,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153232036] [2022-07-22 11:25:50,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:50,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 11:25:50,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:50,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 11:25:50,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:25:50,795 INFO L87 Difference]: Start difference. First operand 41507 states and 47026 transitions. Second operand has 4 states, 4 states have (on average 67.5) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:52,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:52,079 INFO L93 Difference]: Finished difference Result 75100 states and 84813 transitions. [2022-07-22 11:25:52,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 11:25:52,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 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 288 [2022-07-22 11:25:52,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:52,129 INFO L225 Difference]: With dead ends: 75100 [2022-07-22 11:25:52,129 INFO L226 Difference]: Without dead ends: 44174 [2022-07-22 11:25:52,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 11:25:52,152 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 361 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:52,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 137 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 11:25:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44174 states. [2022-07-22 11:25:52,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44174 to 41916. [2022-07-22 11:25:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41916 states, 41915 states have (on average 1.1323631158296552) internal successors, (47463), 41915 states have internal predecessors, (47463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41916 states to 41916 states and 47463 transitions. [2022-07-22 11:25:52,744 INFO L78 Accepts]: Start accepts. Automaton has 41916 states and 47463 transitions. Word has length 288 [2022-07-22 11:25:52,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:52,744 INFO L495 AbstractCegarLoop]: Abstraction has 41916 states and 47463 transitions. [2022-07-22 11:25:52,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 41916 states and 47463 transitions. [2022-07-22 11:25:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-22 11:25:52,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:52,764 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:52,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 11:25:52,764 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:52,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:52,765 INFO L85 PathProgramCache]: Analyzing trace with hash 66599051, now seen corresponding path program 1 times [2022-07-22 11:25:52,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:52,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374464901] [2022-07-22 11:25:52,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:52,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-22 11:25:52,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:52,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374464901] [2022-07-22 11:25:52,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374464901] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:25:52,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87231222] [2022-07-22 11:25:52,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:52,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:52,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:52,862 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:25:52,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 11:25:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:53,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:25:53,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:25:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-22 11:25:53,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:25:53,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87231222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:53,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:25:53,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:25:53,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910735650] [2022-07-22 11:25:53,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:53,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:53,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:53,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:53,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:53,088 INFO L87 Difference]: Start difference. First operand 41916 states and 47463 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:53,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:53,727 INFO L93 Difference]: Finished difference Result 87491 states and 98853 transitions. [2022-07-22 11:25:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:53,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 296 [2022-07-22 11:25:53,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:53,778 INFO L225 Difference]: With dead ends: 87491 [2022-07-22 11:25:53,778 INFO L226 Difference]: Without dead ends: 45374 [2022-07-22 11:25:53,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:53,807 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 187 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:53,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 361 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 11:25:53,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45374 states. [2022-07-22 11:25:54,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45374 to 40698. [2022-07-22 11:25:54,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40698 states, 40697 states have (on average 1.0836179570975748) internal successors, (44100), 40697 states have internal predecessors, (44100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40698 states to 40698 states and 44100 transitions. [2022-07-22 11:25:54,375 INFO L78 Accepts]: Start accepts. Automaton has 40698 states and 44100 transitions. Word has length 296 [2022-07-22 11:25:54,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:54,376 INFO L495 AbstractCegarLoop]: Abstraction has 40698 states and 44100 transitions. [2022-07-22 11:25:54,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 40698 states and 44100 transitions. [2022-07-22 11:25:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-22 11:25:54,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:54,393 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:54,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 11:25:54,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:54,594 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:54,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:54,594 INFO L85 PathProgramCache]: Analyzing trace with hash -623763948, now seen corresponding path program 1 times [2022-07-22 11:25:54,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:54,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264816418] [2022-07-22 11:25:54,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:54,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 152 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-22 11:25:54,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:54,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264816418] [2022-07-22 11:25:54,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264816418] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:25:54,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923052959] [2022-07-22 11:25:54,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:54,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:54,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:54,912 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:25:54,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 11:25:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:55,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:25:55,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:25:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 11:25:55,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:25:55,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923052959] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:55,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:25:55,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-22 11:25:55,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123334490] [2022-07-22 11:25:55,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:55,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:55,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:55,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:55,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:55,243 INFO L87 Difference]: Start difference. First operand 40698 states and 44100 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:55,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:55,665 INFO L93 Difference]: Finished difference Result 103572 states and 111996 transitions. [2022-07-22 11:25:55,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:55,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 316 [2022-07-22 11:25:55,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:55,740 INFO L225 Difference]: With dead ends: 103572 [2022-07-22 11:25:55,740 INFO L226 Difference]: Without dead ends: 65315 [2022-07-22 11:25:55,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:55,777 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 178 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:55,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 472 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 11:25:55,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65315 states. [2022-07-22 11:25:56,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65315 to 63276. [2022-07-22 11:25:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63276 states, 63275 states have (on average 1.0787040695377321) internal successors, (68255), 63275 states have internal predecessors, (68255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63276 states to 63276 states and 68255 transitions. [2022-07-22 11:25:56,613 INFO L78 Accepts]: Start accepts. Automaton has 63276 states and 68255 transitions. Word has length 316 [2022-07-22 11:25:56,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:56,614 INFO L495 AbstractCegarLoop]: Abstraction has 63276 states and 68255 transitions. [2022-07-22 11:25:56,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:56,614 INFO L276 IsEmpty]: Start isEmpty. Operand 63276 states and 68255 transitions. [2022-07-22 11:25:56,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-07-22 11:25:56,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:56,630 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:25:56,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-07-22 11:25:56,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:56,831 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:56,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:56,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1212668539, now seen corresponding path program 1 times [2022-07-22 11:25:56,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:56,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235191974] [2022-07-22 11:25:56,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:56,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-22 11:25:56,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:56,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235191974] [2022-07-22 11:25:56,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235191974] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:25:56,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489787378] [2022-07-22 11:25:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:56,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:56,927 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:25:56,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 11:25:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:57,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 11:25:57,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:25:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-22 11:25:57,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:25:57,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489787378] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:57,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:25:57,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:25:57,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109922228] [2022-07-22 11:25:57,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:57,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:57,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:57,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:57,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:57,456 INFO L87 Difference]: Start difference. First operand 63276 states and 68255 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 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) [2022-07-22 11:25:58,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:25:58,115 INFO L93 Difference]: Finished difference Result 118839 states and 128340 transitions. [2022-07-22 11:25:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:25:58,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 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 333 [2022-07-22 11:25:58,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:25:58,178 INFO L225 Difference]: With dead ends: 118839 [2022-07-22 11:25:58,178 INFO L226 Difference]: Without dead ends: 57392 [2022-07-22 11:25:58,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:25:58,214 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 162 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 11:25:58,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 308 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 11:25:58,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57392 states. [2022-07-22 11:25:58,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57392 to 56977. [2022-07-22 11:25:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56977 states, 56976 states have (on average 1.072293597304128) internal successors, (61095), 56976 states have internal predecessors, (61095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:25:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56977 states to 56977 states and 61095 transitions. [2022-07-22 11:25:58,993 INFO L78 Accepts]: Start accepts. Automaton has 56977 states and 61095 transitions. Word has length 333 [2022-07-22 11:25:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:25:58,994 INFO L495 AbstractCegarLoop]: Abstraction has 56977 states and 61095 transitions. [2022-07-22 11:25:58,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 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) [2022-07-22 11:25:58,994 INFO L276 IsEmpty]: Start isEmpty. Operand 56977 states and 61095 transitions. [2022-07-22 11:25:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-07-22 11:25:59,010 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:25:59,010 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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, 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] [2022-07-22 11:25:59,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 11:25:59,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:59,212 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:25:59,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:25:59,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1056734872, now seen corresponding path program 1 times [2022-07-22 11:25:59,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:25:59,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563305128] [2022-07-22 11:25:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:25:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-22 11:25:59,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:25:59,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563305128] [2022-07-22 11:25:59,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563305128] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:25:59,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018276074] [2022-07-22 11:25:59,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:25:59,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:25:59,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:25:59,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:25:59,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 11:25:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:25:59,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 11:25:59,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:25:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-22 11:25:59,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:25:59,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018276074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:25:59,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:25:59,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-22 11:25:59,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687795886] [2022-07-22 11:25:59,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:25:59,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:25:59,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:25:59,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:25:59,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 11:25:59,705 INFO L87 Difference]: Start difference. First operand 56977 states and 61095 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:26:00,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:00,581 INFO L93 Difference]: Finished difference Result 109084 states and 117104 transitions. [2022-07-22 11:26:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:00,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 339 [2022-07-22 11:26:00,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:00,653 INFO L225 Difference]: With dead ends: 109084 [2022-07-22 11:26:00,653 INFO L226 Difference]: Without dead ends: 56579 [2022-07-22 11:26:00,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 11:26:00,692 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 102 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:00,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 58 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 11:26:00,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-22 11:26:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56567. [2022-07-22 11:26:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56567 states, 56566 states have (on average 1.0722342042923312) internal successors, (60652), 56566 states have internal predecessors, (60652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:26:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56567 states to 56567 states and 60652 transitions. [2022-07-22 11:26:01,581 INFO L78 Accepts]: Start accepts. Automaton has 56567 states and 60652 transitions. Word has length 339 [2022-07-22 11:26:01,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:01,581 INFO L495 AbstractCegarLoop]: Abstraction has 56567 states and 60652 transitions. [2022-07-22 11:26:01,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:26:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 56567 states and 60652 transitions. [2022-07-22 11:26:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-22 11:26:01,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 11:26:01,599 INFO L195 NwaCegarLoop]: trace histogram [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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:01,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-22 11:26:01,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-07-22 11:26:01,810 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 11:26:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 11:26:01,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1254391138, now seen corresponding path program 1 times [2022-07-22 11:26:01,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 11:26:01,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576407113] [2022-07-22 11:26:01,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:01,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 11:26:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-07-22 11:26:01,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 11:26:01,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576407113] [2022-07-22 11:26:01,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576407113] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 11:26:01,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987605660] [2022-07-22 11:26:01,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 11:26:01,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:01,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 11:26:01,923 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 11:26:01,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-22 11:26:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 11:26:02,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 11:26:02,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 11:26:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-07-22 11:26:02,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 11:26:02,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987605660] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 11:26:02,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 11:26:02,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-22 11:26:02,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891462852] [2022-07-22 11:26:02,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 11:26:02,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 11:26:02,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 11:26:02,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 11:26:02,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:02,274 INFO L87 Difference]: Start difference. First operand 56567 states and 60652 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:26:03,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 11:26:03,010 INFO L93 Difference]: Finished difference Result 111331 states and 119298 transitions. [2022-07-22 11:26:03,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 11:26:03,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 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 362 [2022-07-22 11:26:03,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 11:26:03,012 INFO L225 Difference]: With dead ends: 111331 [2022-07-22 11:26:03,012 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 11:26:03,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 11:26:03,049 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 61 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 11:26:03,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 330 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 11:26:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 11:26:03,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 11:26:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:26:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 11:26:03,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2022-07-22 11:26:03,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 11:26:03,050 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 11:26:03,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 11:26:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 11:26:03,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 11:26:03,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 11:26:03,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-07-22 11:26:03,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 11:26:03,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 11:26:15,056 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-07-22 11:26:15,056 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-07-22 11:26:15,056 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,057 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-07-22 11:26:15,057 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,057 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,057 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,057 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,057 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,057 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-07-22 11:26:15,058 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-07-22 11:26:15,059 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,059 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,059 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,059 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,059 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,059 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,059 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,060 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,060 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,060 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-07-22 11:26:15,060 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-07-22 11:26:15,060 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-07-22 11:26:15,060 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,060 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,060 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,061 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,061 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,061 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,061 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-07-22 11:26:15,061 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-07-22 11:26:15,061 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,061 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-07-22 11:26:15,061 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,062 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-07-22 11:26:15,062 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-07-22 11:26:15,062 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,062 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,062 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,062 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,062 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,063 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,063 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,063 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-07-22 11:26:15,063 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,063 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-07-22 11:26:15,063 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-07-22 11:26:15,063 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,063 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,064 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,064 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,064 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-07-22 11:26:15,064 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-07-22 11:26:15,064 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,064 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,064 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,065 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,065 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,065 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,065 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,065 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,065 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,065 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,065 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-07-22 11:26:15,066 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-07-22 11:26:15,066 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-07-22 11:26:15,066 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,066 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,066 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,066 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,066 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,066 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,067 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-07-22 11:26:15,067 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-07-22 11:26:15,067 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-07-22 11:26:15,067 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,067 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,067 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,067 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-07-22 11:26:15,068 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-07-22 11:26:15,069 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,070 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1546) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,071 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,072 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,073 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,074 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse10 (= ~a11~0 1))) (let ((.cse1 (= ~a12~0 1)) (.cse11 (<= 2 ~a3~0)) (.cse2 (<= ~a3~0 1)) (.cse8 (<= ~a3~0 0)) (.cse6 (= ~a6~0 0)) (.cse9 (= ~a27~0 1)) (.cse3 (<= 1 ~a3~0)) (.cse5 (<= ~a26~0 0)) (.cse7 (not .cse10)) (.cse12 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse4 (= ~a11~0 ~a6~0))) (or (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and (<= ~a7~0 0) .cse0 .cse1 .cse5 .cse7) (and .cse0 .cse8 .cse4 .cse9) (and .cse0 .cse10 (= ~a26~0 ~a11~0) .cse9) (and .cse0 .cse11 .cse4 .cse10 .cse9) (and .cse12 .cse0 .cse1 .cse6) (and .cse0 .cse8 .cse9 .cse7) (and .cse12 .cse0 .cse7) (and .cse0 .cse11 .cse5 .cse6) (and .cse0 .cse5 .cse6 .cse9) (and .cse12 .cse0 .cse2 .cse6) (and .cse0 .cse8 .cse6 .cse9) (and .cse0 .cse3 .cse5 .cse7) (and .cse12 .cse0 .cse4)))) [2022-07-22 11:26:15,074 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,074 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,074 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,074 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-07-22 11:26:15,074 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-07-22 11:26:15,074 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,075 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,075 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,075 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-07-22 11:26:15,075 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,075 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,075 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,075 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,075 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-07-22 11:26:15,076 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,077 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,077 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-07-22 11:26:15,077 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-07-22 11:26:15,077 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,077 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse10 (= ~a11~0 1))) (let ((.cse1 (= ~a12~0 1)) (.cse11 (<= 2 ~a3~0)) (.cse2 (<= ~a3~0 1)) (.cse8 (<= ~a3~0 0)) (.cse6 (= ~a6~0 0)) (.cse9 (= ~a27~0 1)) (.cse3 (<= 1 ~a3~0)) (.cse5 (<= ~a26~0 0)) (.cse7 (not .cse10)) (.cse12 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse4 (= ~a11~0 ~a6~0))) (or (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and (<= ~a7~0 0) .cse0 .cse1 .cse5 .cse7) (and .cse0 .cse8 .cse4 .cse9) (and .cse0 .cse10 (= ~a26~0 ~a11~0) .cse9) (and .cse0 .cse11 .cse4 .cse10 .cse9) (and .cse12 .cse0 .cse1 .cse6) (and .cse0 .cse8 .cse9 .cse7) (and .cse12 .cse0 .cse7) (and .cse0 .cse11 .cse5 .cse6) (and .cse0 .cse5 .cse6 .cse9) (and .cse12 .cse0 .cse2 .cse6) (and .cse0 .cse8 .cse6 .cse9) (and .cse0 .cse3 .cse5 .cse7) (and .cse12 .cse0 .cse4)))) [2022-07-22 11:26:15,077 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,077 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,077 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,077 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-07-22 11:26:15,078 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-07-22 11:26:15,079 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-07-22 11:26:15,080 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-07-22 11:26:15,080 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,080 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,080 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,080 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,080 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,080 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,081 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,081 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,081 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-07-22 11:26:15,081 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-07-22 11:26:15,081 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,081 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,081 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-07-22 11:26:15,081 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,082 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-07-22 11:26:15,083 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-07-22 11:26:15,083 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-07-22 11:26:15,083 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,083 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,083 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,083 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,083 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,083 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,084 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,084 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-07-22 11:26:15,084 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-07-22 11:26:15,084 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,084 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-07-22 11:26:15,084 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-07-22 11:26:15,084 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-07-22 11:26:15,084 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,085 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,085 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,085 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,085 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-07-22 11:26:15,085 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-07-22 11:26:15,085 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-07-22 11:26:15,085 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,085 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,086 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-07-22 11:26:15,089 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 11:26:15,091 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 11:26:15,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 11:26:15 BoogieIcfgContainer [2022-07-22 11:26:15,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 11:26:15,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 11:26:15,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 11:26:15,132 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 11:26:15,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:25:22" (3/4) ... [2022-07-22 11:26:15,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 11:26:15,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 11:26:15,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 11:26:15,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 11:26:15,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 11:26:15,315 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 11:26:15,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 11:26:15,316 INFO L158 Benchmark]: Toolchain (without parser) took 55656.47ms. Allocated memory was 107.0MB in the beginning and 11.8GB in the end (delta: 11.7GB). Free memory was 64.3MB in the beginning and 8.8GB in the end (delta: -8.8GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-07-22 11:26:15,317 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 11:26:15,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 838.71ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 64.1MB in the beginning and 80.0MB in the end (delta: -15.9MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-07-22 11:26:15,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.71ms. Allocated memory is still 130.0MB. Free memory was 80.0MB in the beginning and 65.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 11:26:15,317 INFO L158 Benchmark]: Boogie Preprocessor took 107.96ms. Allocated memory is still 130.0MB. Free memory was 65.3MB in the beginning and 54.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 11:26:15,318 INFO L158 Benchmark]: RCFGBuilder took 1781.78ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 54.9MB in the beginning and 139.0MB in the end (delta: -84.2MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2022-07-22 11:26:15,320 INFO L158 Benchmark]: TraceAbstraction took 52582.06ms. Allocated memory was 190.8MB in the beginning and 11.8GB in the end (delta: 11.7GB). Free memory was 138.0MB in the beginning and 8.9GB in the end (delta: -8.7GB). Peak memory consumption was 5.4GB. Max. memory is 16.1GB. [2022-07-22 11:26:15,320 INFO L158 Benchmark]: Witness Printer took 184.25ms. Allocated memory is still 11.8GB. Free memory was 8.9GB in the beginning and 8.8GB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-22 11:26:15,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 838.71ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 64.1MB in the beginning and 80.0MB in the end (delta: -15.9MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.71ms. Allocated memory is still 130.0MB. Free memory was 80.0MB in the beginning and 65.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.96ms. Allocated memory is still 130.0MB. Free memory was 65.3MB in the beginning and 54.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1781.78ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 54.9MB in the beginning and 139.0MB in the end (delta: -84.2MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * TraceAbstraction took 52582.06ms. Allocated memory was 190.8MB in the beginning and 11.8GB in the end (delta: 11.7GB). Free memory was 138.0MB in the beginning and 8.9GB in the end (delta: -8.7GB). Peak memory consumption was 5.4GB. Max. memory is 16.1GB. * Witness Printer took 184.25ms. Allocated memory is still 11.8GB. Free memory was 8.9GB in the beginning and 8.8GB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1546]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.5s, OverallIterations: 23, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 21.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5155 SdHoareTripleChecker+Valid, 15.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5155 mSDsluCounter, 4872 SdHoareTripleChecker+Invalid, 12.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 728 mSDsCounter, 2277 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14177 IncrementalHoareTripleChecker+Invalid, 16454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2277 mSolverCounterUnsat, 4144 mSDtfsCounter, 14177 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2695 GetRequests, 2650 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63276occurred in iteration=20, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 18350 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 549 NumberOfFragments, 427 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1236 FormulaSimplificationTreeSizeReduction, 6.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 23438 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 8340 NumberOfCodeBlocks, 8340 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 8308 ConstructedInterpolants, 0 QuantifiedInterpolants, 14913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5259 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 32 InterpolantComputations, 23 PerfectInterpolantSequences, 4869/4926 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((a25 == a11 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == a6) && a26 <= 0) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 0) && !(a11 == 1))) || ((((a7 <= 0 && a5 == 1) && a12 == 1) && a26 <= 0) && !(a11 == 1))) || (((a5 == 1 && a3 <= 0) && a11 == a6) && a27 == 1)) || (((a5 == 1 && a11 == 1) && a26 == a11) && a27 == 1)) || ((((a5 == 1 && 2 <= a3) && a11 == a6) && a11 == 1) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 0)) || (((a5 == 1 && a3 <= 0) && a27 == 1) && !(a11 == 1))) || ((a26 == 1 && a5 == 1) && !(a11 == 1))) || (((a5 == 1 && 2 <= a3) && a26 <= 0) && a6 == 0)) || (((a5 == 1 && a26 <= 0) && a6 == 0) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a3 <= 1) && a6 == 0)) || (((a5 == 1 && a3 <= 0) && a6 == 0) && a27 == 1)) || (((a5 == 1 && 1 <= a3) && a26 <= 0) && !(a11 == 1))) || ((a26 == 1 && a5 == 1) && a11 == a6) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((a25 == a11 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == a6) && a26 <= 0) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 0) && !(a11 == 1))) || ((((a7 <= 0 && a5 == 1) && a12 == 1) && a26 <= 0) && !(a11 == 1))) || (((a5 == 1 && a3 <= 0) && a11 == a6) && a27 == 1)) || (((a5 == 1 && a11 == 1) && a26 == a11) && a27 == 1)) || ((((a5 == 1 && 2 <= a3) && a11 == a6) && a11 == 1) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 0)) || (((a5 == 1 && a3 <= 0) && a27 == 1) && !(a11 == 1))) || ((a26 == 1 && a5 == 1) && !(a11 == 1))) || (((a5 == 1 && 2 <= a3) && a26 <= 0) && a6 == 0)) || (((a5 == 1 && a26 <= 0) && a6 == 0) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a3 <= 1) && a6 == 0)) || (((a5 == 1 && a3 <= 0) && a6 == 0) && a27 == 1)) || (((a5 == 1 && 1 <= a3) && a26 <= 0) && !(a11 == 1))) || ((a26 == 1 && a5 == 1) && a11 == a6) RESULT: Ultimate proved your program to be correct! [2022-07-22 11:26:15,383 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