./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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/Problem14_label49.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 c4d09871d393800776d006c8edde87f5e58c841c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:47:14,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:47:14,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:47:14,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:47:14,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:47:14,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:47:14,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:47:14,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:47:14,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:47:14,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:47:14,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:47:14,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:47:14,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:47:14,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:47:14,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:47:14,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:47:14,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:47:14,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:47:14,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:47:14,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:47:14,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:47:14,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:47:14,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:47:14,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:47:14,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:47:14,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:47:14,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:47:14,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:47:14,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:47:14,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:47:14,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:47:14,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:47:14,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:47:14,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:47:14,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:47:14,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:47:14,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:47:14,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:47:14,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:47:14,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:47:14,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:47:14,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:47:14,769 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:47:14,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:47:14,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:47:14,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:47:14,775 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:47:14,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:47:14,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:47:14,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:47:14,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:47:14,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:47:14,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:47:14,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:47:14,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:47:14,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:47:14,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:47:14,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:47:14,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:47:14,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:47:14,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:47:14,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:47:14,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:47:14,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:47:14,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:47:14,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:47:14,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:47:14,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:47:14,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:47:14,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:47:14,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:47:14,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4d09871d393800776d006c8edde87f5e58c841c [2020-10-25 20:47:15,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:47:15,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:47:15,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:47:15,213 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:47:15,215 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:47:15,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2020-10-25 20:47:15,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e17512b/4d05e1e338fa459894eaae4d9351afc4/FLAG2339d81b9 [2020-10-25 20:47:16,050 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:47:16,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2020-10-25 20:47:16,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e17512b/4d05e1e338fa459894eaae4d9351afc4/FLAG2339d81b9 [2020-10-25 20:47:16,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e17512b/4d05e1e338fa459894eaae4d9351afc4 [2020-10-25 20:47:16,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:47:16,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:47:16,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:47:16,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:47:16,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:47:16,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:47:16" (1/1) ... [2020-10-25 20:47:16,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e9e000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:16, skipping insertion in model container [2020-10-25 20:47:16,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:47:16" (1/1) ... [2020-10-25 20:47:16,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:47:16,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:47:16,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:47:16,904 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:47:17,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:47:17,120 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:47:17,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17 WrapperNode [2020-10-25 20:47:17,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:47:17,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:47:17,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:47:17,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:47:17,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:47:17,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:47:17,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:47:17,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:47:17,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... [2020-10-25 20:47:17,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:47:17,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:47:17,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:47:17,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:47:17,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:47:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:47:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:47:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:47:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:47:19,224 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:47:19,224 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:47:19,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:47:19 BoogieIcfgContainer [2020-10-25 20:47:19,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:47:19,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:47:19,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:47:19,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:47:19,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:47:16" (1/3) ... [2020-10-25 20:47:19,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e7bac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:47:19, skipping insertion in model container [2020-10-25 20:47:19,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:47:17" (2/3) ... [2020-10-25 20:47:19,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e7bac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:47:19, skipping insertion in model container [2020-10-25 20:47:19,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:47:19" (3/3) ... [2020-10-25 20:47:19,238 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label49.c [2020-10-25 20:47:19,251 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:47:19,257 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:47:19,273 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:47:19,305 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:47:19,306 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:47:19,306 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:47:19,306 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:47:19,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:47:19,307 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:47:19,307 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:47:19,307 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:47:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-25 20:47:19,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-25 20:47:19,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:19,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:19,342 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:19,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:19,349 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2020-10-25 20:47:19,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:19,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932360598] [2020-10-25 20:47:19,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:47:19,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932360598] [2020-10-25 20:47:19,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:47:19,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:47:19,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309021568] [2020-10-25 20:47:19,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:47:19,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:19,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:47:19,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:47:19,806 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2020-10-25 20:47:22,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:22,061 INFO L93 Difference]: Finished difference Result 853 states and 1561 transitions. [2020-10-25 20:47:22,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:47:22,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-25 20:47:22,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:22,089 INFO L225 Difference]: With dead ends: 853 [2020-10-25 20:47:22,089 INFO L226 Difference]: Without dead ends: 538 [2020-10-25 20:47:22,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:47:22,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-25 20:47:22,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-10-25 20:47:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-25 20:47:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2020-10-25 20:47:22,179 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 59 [2020-10-25 20:47:22,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:22,180 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2020-10-25 20:47:22,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:47:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2020-10-25 20:47:22,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-25 20:47:22,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:22,193 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:22,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:47:22,193 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:22,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:22,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1272154725, now seen corresponding path program 1 times [2020-10-25 20:47:22,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:22,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491211690] [2020-10-25 20:47:22,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-25 20:47:22,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491211690] [2020-10-25 20:47:22,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:47:22,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:47:22,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362345415] [2020-10-25 20:47:22,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:22,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:22,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:22,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:22,432 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 3 states. [2020-10-25 20:47:23,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:23,603 INFO L93 Difference]: Finished difference Result 1074 states and 1656 transitions. [2020-10-25 20:47:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:23,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-10-25 20:47:23,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:23,609 INFO L225 Difference]: With dead ends: 1074 [2020-10-25 20:47:23,609 INFO L226 Difference]: Without dead ends: 716 [2020-10-25 20:47:23,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:23,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-25 20:47:23,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-10-25 20:47:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-25 20:47:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2020-10-25 20:47:23,653 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 207 [2020-10-25 20:47:23,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:23,654 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2020-10-25 20:47:23,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2020-10-25 20:47:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-25 20:47:23,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:23,662 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:23,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:47:23,663 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:23,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:23,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1676370204, now seen corresponding path program 1 times [2020-10-25 20:47:23,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:23,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934680535] [2020-10-25 20:47:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-25 20:47:24,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934680535] [2020-10-25 20:47:24,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:47:24,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:47:24,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155375666] [2020-10-25 20:47:24,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:47:24,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:24,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:47:24,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:47:24,102 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand 4 states. [2020-10-25 20:47:25,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:25,438 INFO L93 Difference]: Finished difference Result 1637 states and 2268 transitions. [2020-10-25 20:47:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:47:25,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 230 [2020-10-25 20:47:25,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:25,445 INFO L225 Difference]: With dead ends: 1637 [2020-10-25 20:47:25,446 INFO L226 Difference]: Without dead ends: 1072 [2020-10-25 20:47:25,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:47:25,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-25 20:47:25,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 894. [2020-10-25 20:47:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-25 20:47:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1047 transitions. [2020-10-25 20:47:25,487 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1047 transitions. Word has length 230 [2020-10-25 20:47:25,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:25,490 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1047 transitions. [2020-10-25 20:47:25,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:47:25,490 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1047 transitions. [2020-10-25 20:47:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-25 20:47:25,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:25,514 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:25,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:47:25,514 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:25,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1976839152, now seen corresponding path program 1 times [2020-10-25 20:47:25,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:25,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629276531] [2020-10-25 20:47:25,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 234 proven. 130 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-25 20:47:26,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629276531] [2020-10-25 20:47:26,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911125420] [2020-10-25 20:47:26,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:26,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 20:47:26,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:47:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2020-10-25 20:47:27,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:47:27,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2020-10-25 20:47:27,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446712716] [2020-10-25 20:47:27,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:27,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:27,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:27,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:47:27,518 INFO L87 Difference]: Start difference. First operand 894 states and 1047 transitions. Second operand 3 states. [2020-10-25 20:47:28,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:28,382 INFO L93 Difference]: Finished difference Result 1786 states and 2128 transitions. [2020-10-25 20:47:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:28,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 361 [2020-10-25 20:47:28,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:28,394 INFO L225 Difference]: With dead ends: 1786 [2020-10-25 20:47:28,395 INFO L226 Difference]: Without dead ends: 1072 [2020-10-25 20:47:28,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:47:28,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-25 20:47:28,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-10-25 20:47:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-25 20:47:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-10-25 20:47:28,435 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 361 [2020-10-25 20:47:28,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:28,448 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-10-25 20:47:28,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-10-25 20:47:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-10-25 20:47:28,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:28,466 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:28,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:28,681 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:28,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:28,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1686484168, now seen corresponding path program 1 times [2020-10-25 20:47:28,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:28,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071755241] [2020-10-25 20:47:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 625 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-25 20:47:29,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071755241] [2020-10-25 20:47:29,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:47:29,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:47:29,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460349922] [2020-10-25 20:47:29,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:29,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:29,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:29,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:29,209 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-10-25 20:47:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:30,202 INFO L93 Difference]: Finished difference Result 2676 states and 3172 transitions. [2020-10-25 20:47:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:30,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 527 [2020-10-25 20:47:30,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:30,213 INFO L225 Difference]: With dead ends: 2676 [2020-10-25 20:47:30,214 INFO L226 Difference]: Without dead ends: 1784 [2020-10-25 20:47:30,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:30,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-25 20:47:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2020-10-25 20:47:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-25 20:47:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2033 transitions. [2020-10-25 20:47:30,260 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2033 transitions. Word has length 527 [2020-10-25 20:47:30,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:30,261 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2033 transitions. [2020-10-25 20:47:30,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2033 transitions. [2020-10-25 20:47:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2020-10-25 20:47:30,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:30,267 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:30,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:47:30,268 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:30,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:30,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1022173948, now seen corresponding path program 1 times [2020-10-25 20:47:30,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:30,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491161842] [2020-10-25 20:47:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 592 proven. 23 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2020-10-25 20:47:31,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491161842] [2020-10-25 20:47:31,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868628720] [2020-10-25 20:47:31,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:31,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:47:31,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:47:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2020-10-25 20:47:31,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:47:31,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:47:31,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465486881] [2020-10-25 20:47:31,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:31,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:31,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:31,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:47:31,615 INFO L87 Difference]: Start difference. First operand 1784 states and 2033 transitions. Second operand 3 states. [2020-10-25 20:47:32,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:32,603 INFO L93 Difference]: Finished difference Result 4100 states and 4738 transitions. [2020-10-25 20:47:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:32,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 551 [2020-10-25 20:47:32,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:32,618 INFO L225 Difference]: With dead ends: 4100 [2020-10-25 20:47:32,618 INFO L226 Difference]: Without dead ends: 2496 [2020-10-25 20:47:32,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:47:32,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-25 20:47:32,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2020-10-25 20:47:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-10-25 20:47:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2618 transitions. [2020-10-25 20:47:32,676 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2618 transitions. Word has length 551 [2020-10-25 20:47:32,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:32,681 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2618 transitions. [2020-10-25 20:47:32,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2618 transitions. [2020-10-25 20:47:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2020-10-25 20:47:32,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:32,689 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:32,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:32,903 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:32,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:32,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1995008747, now seen corresponding path program 1 times [2020-10-25 20:47:32,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:32,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595725853] [2020-10-25 20:47:32,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 913 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-10-25 20:47:33,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595725853] [2020-10-25 20:47:33,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:47:33,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:47:33,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097827409] [2020-10-25 20:47:33,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:33,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:33,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:33,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:33,435 INFO L87 Difference]: Start difference. First operand 2318 states and 2618 transitions. Second operand 3 states. [2020-10-25 20:47:34,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:34,441 INFO L93 Difference]: Finished difference Result 5524 states and 6313 transitions. [2020-10-25 20:47:34,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:34,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 649 [2020-10-25 20:47:34,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:34,456 INFO L225 Difference]: With dead ends: 5524 [2020-10-25 20:47:34,456 INFO L226 Difference]: Without dead ends: 3386 [2020-10-25 20:47:34,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:34,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2020-10-25 20:47:34,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3208. [2020-10-25 20:47:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2020-10-25 20:47:34,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3622 transitions. [2020-10-25 20:47:34,523 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3622 transitions. Word has length 649 [2020-10-25 20:47:34,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:34,524 INFO L481 AbstractCegarLoop]: Abstraction has 3208 states and 3622 transitions. [2020-10-25 20:47:34,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3622 transitions. [2020-10-25 20:47:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2020-10-25 20:47:34,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:34,533 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:47:34,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:47:34,533 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:34,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:34,534 INFO L82 PathProgramCache]: Analyzing trace with hash 763016868, now seen corresponding path program 1 times [2020-10-25 20:47:34,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:34,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692458272] [2020-10-25 20:47:34,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 1065 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2020-10-25 20:47:35,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692458272] [2020-10-25 20:47:35,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:47:35,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:47:35,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954325304] [2020-10-25 20:47:35,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:35,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:35,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:35,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:35,417 INFO L87 Difference]: Start difference. First operand 3208 states and 3622 transitions. Second operand 3 states. [2020-10-25 20:47:36,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:36,454 INFO L93 Difference]: Finished difference Result 6948 states and 7872 transitions. [2020-10-25 20:47:36,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:36,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 719 [2020-10-25 20:47:36,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:36,472 INFO L225 Difference]: With dead ends: 6948 [2020-10-25 20:47:36,472 INFO L226 Difference]: Without dead ends: 3920 [2020-10-25 20:47:36,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:47:36,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2020-10-25 20:47:36,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742. [2020-10-25 20:47:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2020-10-25 20:47:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4202 transitions. [2020-10-25 20:47:36,564 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4202 transitions. Word has length 719 [2020-10-25 20:47:36,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:36,565 INFO L481 AbstractCegarLoop]: Abstraction has 3742 states and 4202 transitions. [2020-10-25 20:47:36,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4202 transitions. [2020-10-25 20:47:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2020-10-25 20:47:36,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:36,577 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-25 20:47:36,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:47:36,578 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:36,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:36,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1326263912, now seen corresponding path program 1 times [2020-10-25 20:47:36,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:36,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008598607] [2020-10-25 20:47:36,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 864 proven. 23 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2020-10-25 20:47:37,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008598607] [2020-10-25 20:47:37,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346764749] [2020-10-25 20:47:37,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:37,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:47:37,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:47:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2020-10-25 20:47:38,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:47:38,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:47:38,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238199976] [2020-10-25 20:47:38,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:38,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:38,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:38,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:47:38,210 INFO L87 Difference]: Start difference. First operand 3742 states and 4202 transitions. Second operand 3 states. [2020-10-25 20:47:39,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:39,228 INFO L93 Difference]: Finished difference Result 7838 states and 8895 transitions. [2020-10-25 20:47:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:39,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 743 [2020-10-25 20:47:39,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:39,252 INFO L225 Difference]: With dead ends: 7838 [2020-10-25 20:47:39,252 INFO L226 Difference]: Without dead ends: 4276 [2020-10-25 20:47:39,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:47:39,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-25 20:47:39,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4276. [2020-10-25 20:47:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2020-10-25 20:47:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4845 transitions. [2020-10-25 20:47:39,353 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4845 transitions. Word has length 743 [2020-10-25 20:47:39,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:39,354 INFO L481 AbstractCegarLoop]: Abstraction has 4276 states and 4845 transitions. [2020-10-25 20:47:39,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4845 transitions. [2020-10-25 20:47:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2020-10-25 20:47:39,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:39,365 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:39,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:39,581 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:39,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:39,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1261164493, now seen corresponding path program 1 times [2020-10-25 20:47:39,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:39,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648420835] [2020-10-25 20:47:39,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 897 proven. 23 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2020-10-25 20:47:40,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648420835] [2020-10-25 20:47:40,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559603012] [2020-10-25 20:47:40,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:40,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:47:40,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:47:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2020-10-25 20:47:41,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:47:41,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:47:41,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314806014] [2020-10-25 20:47:41,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:41,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:41,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:41,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:47:41,203 INFO L87 Difference]: Start difference. First operand 4276 states and 4845 transitions. Second operand 3 states. [2020-10-25 20:47:42,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:42,131 INFO L93 Difference]: Finished difference Result 8372 states and 9509 transitions. [2020-10-25 20:47:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:42,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 772 [2020-10-25 20:47:42,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:42,149 INFO L225 Difference]: With dead ends: 8372 [2020-10-25 20:47:42,149 INFO L226 Difference]: Without dead ends: 4276 [2020-10-25 20:47:42,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 775 GetRequests, 771 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:47:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-25 20:47:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3742. [2020-10-25 20:47:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2020-10-25 20:47:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4211 transitions. [2020-10-25 20:47:42,239 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4211 transitions. Word has length 772 [2020-10-25 20:47:42,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:42,240 INFO L481 AbstractCegarLoop]: Abstraction has 3742 states and 4211 transitions. [2020-10-25 20:47:42,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4211 transitions. [2020-10-25 20:47:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 858 [2020-10-25 20:47:42,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:47:42,254 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:47:42,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:42,467 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:47:42,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:47:42,468 INFO L82 PathProgramCache]: Analyzing trace with hash 464715118, now seen corresponding path program 1 times [2020-10-25 20:47:42,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:47:42,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574804237] [2020-10-25 20:47:42,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:47:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1975 backedges. 1046 proven. 23 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2020-10-25 20:47:43,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574804237] [2020-10-25 20:47:43,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701711100] [2020-10-25 20:47:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:47:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:47:43,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:47:43,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:47:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1975 backedges. 873 proven. 0 refuted. 0 times theorem prover too weak. 1102 trivial. 0 not checked. [2020-10-25 20:47:44,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:47:44,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:47:44,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932105529] [2020-10-25 20:47:44,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:47:44,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:47:44,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:47:44,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:47:44,393 INFO L87 Difference]: Start difference. First operand 3742 states and 4211 transitions. Second operand 3 states. [2020-10-25 20:47:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:47:45,473 INFO L93 Difference]: Finished difference Result 8192 states and 9263 transitions. [2020-10-25 20:47:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:47:45,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 857 [2020-10-25 20:47:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:47:45,475 INFO L225 Difference]: With dead ends: 8192 [2020-10-25 20:47:45,475 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:47:45,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 856 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:47:45,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:47:45,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:47:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:47:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:47:45,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 857 [2020-10-25 20:47:45,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:47:45,485 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:47:45,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:47:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:47:45,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:47:45,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-25 20:47:45,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:47:45,955 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-10-25 20:47:46,144 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-10-25 20:47:46,149 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-25 20:47:46,150 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:47:46,150 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:47:46,150 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:47:46,150 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-25 20:47:46,150 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-25 20:47:46,150 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-25 20:47:46,150 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,150 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,151 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,151 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-25 20:47:46,151 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:47:46,152 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:47:46,152 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:47:46,152 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-25 20:47:46,152 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-25 20:47:46,152 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-25 20:47:46,152 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-25 20:47:46,153 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,153 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,153 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,153 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-25 20:47:46,153 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-25 20:47:46,153 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:47:46,153 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:47:46,154 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:47:46,154 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-25 20:47:46,154 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-25 20:47:46,154 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-25 20:47:46,154 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,154 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,155 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,155 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-25 20:47:46,155 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:47:46,155 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:47:46,155 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:47:46,155 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-25 20:47:46,155 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-25 20:47:46,156 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-25 20:47:46,157 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-25 20:47:46,157 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-25 20:47:46,157 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,157 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,157 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,158 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-25 20:47:46,158 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:47:46,158 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:47:46,158 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:47:46,158 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-25 20:47:46,158 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-25 20:47:46,158 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-25 20:47:46,159 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,159 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,159 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,159 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-25 20:47:46,159 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:47:46,159 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:47:46,159 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:47:46,160 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-25 20:47:46,160 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-25 20:47:46,160 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-25 20:47:46,160 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-25 20:47:46,160 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-25 20:47:46,160 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,160 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,161 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,161 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-25 20:47:46,161 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:47:46,161 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:47:46,161 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:47:46,161 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-25 20:47:46,161 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-25 20:47:46,162 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-25 20:47:46,162 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-25 20:47:46,162 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,162 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,162 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,162 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:47:46,162 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:47:46,162 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:47:46,163 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-25 20:47:46,163 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-25 20:47:46,163 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-25 20:47:46,163 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:47:46,163 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-25 20:47:46,163 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-25 20:47:46,163 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,163 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,164 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,164 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-25 20:47:46,164 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-25 20:47:46,164 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:47:46,164 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:47:46,164 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:47:46,164 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-25 20:47:46,165 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-25 20:47:46,165 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-25 20:47:46,165 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,165 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,165 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,165 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:47:46,165 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:47:46,166 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:47:46,166 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-25 20:47:46,166 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-25 20:47:46,166 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-25 20:47:46,166 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-25 20:47:46,166 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-25 20:47:46,166 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,167 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,167 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,167 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:47:46,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:47:46,167 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-25 20:47:46,167 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-25 20:47:46,168 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:47:46,168 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:47:46,168 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:47:46,168 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-25 20:47:46,168 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-25 20:47:46,168 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-25 20:47:46,169 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,169 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,169 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,169 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-25 20:47:46,170 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:47:46,170 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:47:46,170 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:47:46,170 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-25 20:47:46,170 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-25 20:47:46,170 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:47:46,170 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-25 20:47:46,170 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-25 20:47:46,171 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-25 20:47:46,172 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:47:46,173 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-25 20:47:46,174 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-25 20:47:46,174 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-25 20:47:46,174 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,174 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,176 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse3 (< 80 ~a12~0)) (.cse0 (<= ~a24~0 1)) (.cse4 (<= ~a12~0 11)) (.cse1 (<= ~a15~0 8)) (.cse2 (not (= 7 ~a15~0))) (.cse5 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and .cse0 .cse3) (and .cse4 (<= 10 ~a21~0) .cse2) (and .cse0 .cse4 .cse1) (and (<= 7 ~a21~0) .cse0 .cse1) (and .cse4 .cse1 .cse2 .cse5) (and (<= 8 ~a21~0) .cse2 .cse5))) [2020-10-25 20:47:46,176 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-25 20:47:46,176 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-25 20:47:46,176 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:47:46,176 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:47:46,177 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-25 20:47:46,177 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-25 20:47:46,177 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-25 20:47:46,177 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-25 20:47:46,177 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,177 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,177 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-25 20:47:46,177 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-25 20:47:46,177 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,178 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:47:46,179 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,180 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-25 20:47:46,180 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse3 (< 80 ~a12~0)) (.cse0 (<= ~a24~0 1)) (.cse4 (<= ~a12~0 11)) (.cse1 (<= ~a15~0 8)) (.cse2 (not (= 7 ~a15~0))) (.cse5 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and .cse0 .cse3) (and .cse4 (<= 10 ~a21~0) .cse2) (and .cse0 .cse4 .cse1) (and (<= 7 ~a21~0) .cse0 .cse1) (and .cse4 .cse1 .cse2 .cse5) (and (<= 8 ~a21~0) .cse2 .cse5))) [2020-10-25 20:47:46,181 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-25 20:47:46,181 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-25 20:47:46,181 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:47:46,181 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:47:46,181 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:47:46,181 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-25 20:47:46,181 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-25 20:47:46,182 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-25 20:47:46,182 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-25 20:47:46,182 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,182 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,182 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,182 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-25 20:47:46,183 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:47:46,183 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:47:46,183 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:47:46,183 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-25 20:47:46,183 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:47:46,183 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-25 20:47:46,183 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-25 20:47:46,184 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-25 20:47:46,184 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-25 20:47:46,184 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,184 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,184 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,184 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-25 20:47:46,184 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-25 20:47:46,185 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:47:46,185 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:47:46,185 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:47:46,185 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-25 20:47:46,185 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-25 20:47:46,185 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-25 20:47:46,185 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,186 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,186 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,186 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-25 20:47:46,186 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:47:46,186 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:47:46,186 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:47:46,186 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-25 20:47:46,187 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-25 20:47:46,187 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-25 20:47:46,187 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-25 20:47:46,187 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-25 20:47:46,187 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,187 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,188 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:47:46,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:47:46 BoogieIcfgContainer [2020-10-25 20:47:46,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:47:46,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:47:46,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:47:46,269 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:47:46,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:47:19" (3/4) ... [2020-10-25 20:47:46,275 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:47:46,321 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:47:46,322 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:47:46,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:47:46,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:47:46,600 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:47:46,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:47:46,601 INFO L168 Benchmark]: Toolchain (without parser) took 30331.66 ms. Allocated memory was 50.3 MB in the beginning and 1.7 GB in the end (delta: 1.7 GB). Free memory was 25.1 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 212.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:46,602 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 21.6 MB in the beginning and 21.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:47:46,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.57 ms. Allocated memory is still 50.3 MB. Free memory was 24.4 MB in the beginning and 24.8 MB in the end (delta: -460.8 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:46,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.32 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 24.6 MB in the beginning and 37.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:46,603 INFO L168 Benchmark]: Boogie Preprocessor took 148.55 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 31.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:46,604 INFO L168 Benchmark]: RCFGBuilder took 1795.28 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 31.2 MB in the beginning and 52.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:46,605 INFO L168 Benchmark]: TraceAbstraction took 27035.81 ms. Allocated memory was 83.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 52.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 183.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:46,605 INFO L168 Benchmark]: Witness Printer took 332.56 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:47:46,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 21.6 MB in the beginning and 21.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 845.57 ms. Allocated memory is still 50.3 MB. Free memory was 24.4 MB in the beginning and 24.8 MB in the end (delta: -460.8 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.32 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 24.6 MB in the beginning and 37.8 MB in the end (delta: -13.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 148.55 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 31.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1795.28 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 31.2 MB in the beginning and 52.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27035.81 ms. Allocated memory was 83.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 52.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 183.2 MB. Max. memory is 16.1 GB. * Witness Printer took 332.56 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((((a24 <= 1 && a15 <= 8) && !(7 == a15)) || (80 < a12 && !(7 == a15))) || (a24 <= 1 && 80 < a12)) || ((a12 <= 11 && 10 <= a21) && !(7 == a15))) || ((a24 <= 1 && a12 <= 11) && a15 <= 8)) || ((7 <= a21 && a24 <= 1) && a15 <= 8)) || (((a12 <= 11 && a15 <= 8) && !(7 == a15)) && a21 <= 8)) || ((8 <= a21 && !(7 == a15)) && a21 <= 8) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((((((a24 <= 1 && a15 <= 8) && !(7 == a15)) || (80 < a12 && !(7 == a15))) || (a24 <= 1 && 80 < a12)) || ((a12 <= 11 && 10 <= a21) && !(7 == a15))) || ((a24 <= 1 && a12 <= 11) && a15 <= 8)) || ((7 <= a21 && a24 <= 1) && a15 <= 8)) || (((a12 <= 11 && a15 <= 8) && !(7 == a15)) && a21 <= 8)) || ((8 <= a21 && !(7 == a15)) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.3s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1178 SDtfs, 1228 SDslu, 56 SDs, 0 SdLazy, 5556 SolverSat, 1284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3318 GetRequests, 3288 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4276occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1246 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 60 NumberOfFragments, 167 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1026 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 222 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 8959 NumberOfCodeBlocks, 8959 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 8943 ConstructedInterpolants, 0 QuantifiedInterpolants, 16893699 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4138 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 15998/16220 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...