./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label33.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label33.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer --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 1dec9e8fbdb4ba5e360b4daec42a611536a5a5ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:18:52,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:52,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:52,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:52,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:52,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:52,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:52,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:52,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:52,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:52,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:52,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:52,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:52,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:52,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:52,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:52,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:52,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:52,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:52,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:52,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:52,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:52,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:52,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:52,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:52,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:52,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:52,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:52,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:52,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:52,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:52,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:52,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:52,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:52,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:52,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:52,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:52,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:52,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:52,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:52,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:52,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:18:52,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:52,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:52,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:52,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:52,264 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:52,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:52,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:18:52,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:52,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:18:52,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:52,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:18:52,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:18:52,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:18:52,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:18:52,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:18:52,268 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:52,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:18:52,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:52,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:52,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:18:52,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:18:52,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:52,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:52,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:18:52,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:18:52,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:18:52,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:18:52,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:18:52,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:52,271 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:/tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dec9e8fbdb4ba5e360b4daec42a611536a5a5ce [2020-11-28 03:18:52,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:52,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:52,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:52,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:52,608 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:52,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label33.c [2020-11-28 03:18:52,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/data/4c2d340eb/80fccb87296c4903aff856f1c7b9694c/FLAGa1e96881a [2020-11-28 03:18:53,300 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:53,300 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/sv-benchmarks/c/eca-rers2012/Problem02_label33.c [2020-11-28 03:18:53,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/data/4c2d340eb/80fccb87296c4903aff856f1c7b9694c/FLAGa1e96881a [2020-11-28 03:18:53,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/data/4c2d340eb/80fccb87296c4903aff856f1c7b9694c [2020-11-28 03:18:53,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:53,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:18:53,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:53,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:53,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:53,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:53" (1/1) ... [2020-11-28 03:18:53,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c9ad24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:53, skipping insertion in model container [2020-11-28 03:18:53,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:53" (1/1) ... [2020-11-28 03:18:53,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:53,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:54,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:54,087 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:18:54,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:54,243 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:18:54,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54 WrapperNode [2020-11-28 03:18:54,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:54,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:54,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:18:54,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:18:54,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:54,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:18:54,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:18:54,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:18:54,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... [2020-11-28 03:18:54,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:18:54,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:18:54,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:18:54,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:18:54,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/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 [2020-11-28 03:18:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:18:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:18:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:18:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:18:56,651 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:18:56,651 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:18:56,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:56 BoogieIcfgContainer [2020-11-28 03:18:56,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:18:56,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:18:56,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:18:56,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:18:56,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:18:53" (1/3) ... [2020-11-28 03:18:56,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d727063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:56, skipping insertion in model container [2020-11-28 03:18:56,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:54" (2/3) ... [2020-11-28 03:18:56,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d727063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:56, skipping insertion in model container [2020-11-28 03:18:56,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:56" (3/3) ... [2020-11-28 03:18:56,668 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2020-11-28 03:18:56,685 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:18:56,691 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:18:56,702 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:18:56,731 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:18:56,731 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:18:56,731 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:18:56,731 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:18:56,732 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:18:56,732 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:18:56,732 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:18:56,732 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:18:56,753 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-28 03:18:56,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-28 03:18:56,768 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:56,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:56,770 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:56,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:56,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1661240933, now seen corresponding path program 1 times [2020-11-28 03:18:56,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:56,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543120356] [2020-11-28 03:18:56,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:57,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543120356] [2020-11-28 03:18:57,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:57,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:57,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009900824] [2020-11-28 03:18:57,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:57,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:57,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:57,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:57,422 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-28 03:18:58,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:58,788 INFO L93 Difference]: Finished difference Result 640 states and 1083 transitions. [2020-11-28 03:18:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:58,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-11-28 03:18:58,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:58,806 INFO L225 Difference]: With dead ends: 640 [2020-11-28 03:18:58,807 INFO L226 Difference]: Without dead ends: 318 [2020-11-28 03:18:58,812 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 [2020-11-28 03:18:58,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-28 03:18:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2020-11-28 03:18:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-11-28 03:18:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2020-11-28 03:18:58,876 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 141 [2020-11-28 03:18:58,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:58,878 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2020-11-28 03:18:58,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2020-11-28 03:18:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-11-28 03:18:58,881 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:58,882 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:58,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:18:58,882 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:58,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:58,884 INFO L82 PathProgramCache]: Analyzing trace with hash -643734834, now seen corresponding path program 1 times [2020-11-28 03:18:58,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:58,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873415219] [2020-11-28 03:18:58,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:59,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873415219] [2020-11-28 03:18:59,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:59,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:59,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921475142] [2020-11-28 03:18:59,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:59,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:59,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:59,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:59,039 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand 3 states. [2020-11-28 03:18:59,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:59,788 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2020-11-28 03:18:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:59,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-11-28 03:18:59,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:59,794 INFO L225 Difference]: With dead ends: 910 [2020-11-28 03:18:59,795 INFO L226 Difference]: Without dead ends: 599 [2020-11-28 03:18:59,798 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 [2020-11-28 03:18:59,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-11-28 03:18:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2020-11-28 03:18:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-11-28 03:18:59,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2020-11-28 03:18:59,837 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 145 [2020-11-28 03:18:59,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:59,838 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2020-11-28 03:18:59,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2020-11-28 03:18:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-28 03:18:59,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:59,845 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:59,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:18:59,845 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:59,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:59,846 INFO L82 PathProgramCache]: Analyzing trace with hash 501249761, now seen corresponding path program 1 times [2020-11-28 03:18:59,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:59,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395661353] [2020-11-28 03:18:59,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:59,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395661353] [2020-11-28 03:18:59,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386126066] [2020-11-28 03:18:59,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/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 [2020-11-28 03:19:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:00,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:00,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:19:00,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:19:00,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 03:19:00,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640086116] [2020-11-28 03:19:00,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:00,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:00,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:00,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:00,376 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand 3 states. [2020-11-28 03:19:01,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:01,274 INFO L93 Difference]: Finished difference Result 1611 states and 2114 transitions. [2020-11-28 03:19:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:01,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-11-28 03:19:01,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:01,286 INFO L225 Difference]: With dead ends: 1611 [2020-11-28 03:19:01,291 INFO L226 Difference]: Without dead ends: 1017 [2020-11-28 03:19:01,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:01,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-11-28 03:19:01,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 737. [2020-11-28 03:19:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-11-28 03:19:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 987 transitions. [2020-11-28 03:19:01,338 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 987 transitions. Word has length 150 [2020-11-28 03:19:01,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:01,339 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 987 transitions. [2020-11-28 03:19:01,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 987 transitions. [2020-11-28 03:19:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-28 03:19:01,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:01,344 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:01,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-28 03:19:01,561 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash 100422301, now seen corresponding path program 1 times [2020-11-28 03:19:01,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:01,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472864915] [2020-11-28 03:19:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:01,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472864915] [2020-11-28 03:19:01,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:01,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:01,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147751737] [2020-11-28 03:19:01,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:01,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:01,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:01,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:01,718 INFO L87 Difference]: Start difference. First operand 737 states and 987 transitions. Second operand 3 states. [2020-11-28 03:19:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:02,206 INFO L93 Difference]: Finished difference Result 1458 states and 1954 transitions. [2020-11-28 03:19:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:02,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-11-28 03:19:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:02,211 INFO L225 Difference]: With dead ends: 1458 [2020-11-28 03:19:02,212 INFO L226 Difference]: Without dead ends: 723 [2020-11-28 03:19:02,214 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 [2020-11-28 03:19:02,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-11-28 03:19:02,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2020-11-28 03:19:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-11-28 03:19:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 914 transitions. [2020-11-28 03:19:02,247 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 914 transitions. Word has length 152 [2020-11-28 03:19:02,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:02,248 INFO L481 AbstractCegarLoop]: Abstraction has 723 states and 914 transitions. [2020-11-28 03:19:02,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 914 transitions. [2020-11-28 03:19:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-28 03:19:02,253 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:02,254 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:02,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:02,255 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:02,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:02,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1468957151, now seen corresponding path program 1 times [2020-11-28 03:19:02,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:02,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762110193] [2020-11-28 03:19:02,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 03:19:02,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762110193] [2020-11-28 03:19:02,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:02,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:02,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029028523] [2020-11-28 03:19:02,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:02,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:02,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:02,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:02,441 INFO L87 Difference]: Start difference. First operand 723 states and 914 transitions. Second operand 3 states. [2020-11-28 03:19:03,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:03,236 INFO L93 Difference]: Finished difference Result 1585 states and 2062 transitions. [2020-11-28 03:19:03,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:03,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-11-28 03:19:03,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:03,244 INFO L225 Difference]: With dead ends: 1585 [2020-11-28 03:19:03,244 INFO L226 Difference]: Without dead ends: 1004 [2020-11-28 03:19:03,246 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 [2020-11-28 03:19:03,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-11-28 03:19:03,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2020-11-28 03:19:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-11-28 03:19:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1245 transitions. [2020-11-28 03:19:03,284 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1245 transitions. Word has length 172 [2020-11-28 03:19:03,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:03,285 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1245 transitions. [2020-11-28 03:19:03,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1245 transitions. [2020-11-28 03:19:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-28 03:19:03,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:03,290 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:03,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:19:03,290 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:03,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:03,291 INFO L82 PathProgramCache]: Analyzing trace with hash -998811025, now seen corresponding path program 1 times [2020-11-28 03:19:03,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:03,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194509111] [2020-11-28 03:19:03,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-28 03:19:03,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194509111] [2020-11-28 03:19:03,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684537684] [2020-11-28 03:19:03,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/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 [2020-11-28 03:19:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:03,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:03,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:19:03,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:19:03,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:19:03,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809435902] [2020-11-28 03:19:03,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:03,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:03,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:03,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:03,633 INFO L87 Difference]: Start difference. First operand 1004 states and 1245 transitions. Second operand 3 states. [2020-11-28 03:19:04,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:04,386 INFO L93 Difference]: Finished difference Result 2427 states and 3069 transitions. [2020-11-28 03:19:04,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:04,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-11-28 03:19:04,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:04,396 INFO L225 Difference]: With dead ends: 2427 [2020-11-28 03:19:04,397 INFO L226 Difference]: Without dead ends: 1565 [2020-11-28 03:19:04,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:04,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2020-11-28 03:19:04,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1565. [2020-11-28 03:19:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2020-11-28 03:19:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1871 transitions. [2020-11-28 03:19:04,440 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1871 transitions. Word has length 194 [2020-11-28 03:19:04,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:04,445 INFO L481 AbstractCegarLoop]: Abstraction has 1565 states and 1871 transitions. [2020-11-28 03:19:04,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1871 transitions. [2020-11-28 03:19:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-28 03:19:04,451 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:04,452 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:04,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:19:04,673 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:04,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:04,674 INFO L82 PathProgramCache]: Analyzing trace with hash -2068120117, now seen corresponding path program 1 times [2020-11-28 03:19:04,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:04,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144631806] [2020-11-28 03:19:04,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 03:19:04,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144631806] [2020-11-28 03:19:04,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:04,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:04,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992186757] [2020-11-28 03:19:04,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:04,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:04,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:04,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:04,835 INFO L87 Difference]: Start difference. First operand 1565 states and 1871 transitions. Second operand 5 states. [2020-11-28 03:19:06,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:06,198 INFO L93 Difference]: Finished difference Result 3730 states and 4422 transitions. [2020-11-28 03:19:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:06,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-11-28 03:19:06,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:06,214 INFO L225 Difference]: With dead ends: 3730 [2020-11-28 03:19:06,214 INFO L226 Difference]: Without dead ends: 2021 [2020-11-28 03:19:06,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:19:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2021 states. [2020-11-28 03:19:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2021 to 1565. [2020-11-28 03:19:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2020-11-28 03:19:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1787 transitions. [2020-11-28 03:19:06,261 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1787 transitions. Word has length 196 [2020-11-28 03:19:06,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:06,261 INFO L481 AbstractCegarLoop]: Abstraction has 1565 states and 1787 transitions. [2020-11-28 03:19:06,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1787 transitions. [2020-11-28 03:19:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-28 03:19:06,266 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:06,266 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:06,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:19:06,267 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:06,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:06,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1797050987, now seen corresponding path program 1 times [2020-11-28 03:19:06,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:06,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663956865] [2020-11-28 03:19:06,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 03:19:06,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663956865] [2020-11-28 03:19:06,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134842345] [2020-11-28 03:19:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/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 [2020-11-28 03:19:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:06,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:06,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:19:06,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:19:06,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:19:06,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051440027] [2020-11-28 03:19:06,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:06,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:06,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:06,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:06,755 INFO L87 Difference]: Start difference. First operand 1565 states and 1787 transitions. Second operand 3 states. [2020-11-28 03:19:07,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:07,424 INFO L93 Difference]: Finished difference Result 3409 states and 3955 transitions. [2020-11-28 03:19:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:07,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-11-28 03:19:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:07,436 INFO L225 Difference]: With dead ends: 3409 [2020-11-28 03:19:07,436 INFO L226 Difference]: Without dead ends: 1986 [2020-11-28 03:19:07,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:07,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2020-11-28 03:19:07,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1846. [2020-11-28 03:19:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1846 states. [2020-11-28 03:19:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2086 transitions. [2020-11-28 03:19:07,486 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2086 transitions. Word has length 200 [2020-11-28 03:19:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:07,488 INFO L481 AbstractCegarLoop]: Abstraction has 1846 states and 2086 transitions. [2020-11-28 03:19:07,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2086 transitions. [2020-11-28 03:19:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-28 03:19:07,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:07,495 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:07,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:19:07,712 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:07,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:07,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1493543697, now seen corresponding path program 1 times [2020-11-28 03:19:07,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:07,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64769546] [2020-11-28 03:19:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-28 03:19:07,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64769546] [2020-11-28 03:19:07,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249693807] [2020-11-28 03:19:07,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/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 [2020-11-28 03:19:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:08,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:08,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 03:19:08,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:19:08,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:19:08,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390488398] [2020-11-28 03:19:08,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:08,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:08,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:08,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:08,131 INFO L87 Difference]: Start difference. First operand 1846 states and 2086 transitions. Second operand 3 states. [2020-11-28 03:19:08,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:08,957 INFO L93 Difference]: Finished difference Result 3970 states and 4552 transitions. [2020-11-28 03:19:08,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:08,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-11-28 03:19:08,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:08,970 INFO L225 Difference]: With dead ends: 3970 [2020-11-28 03:19:08,971 INFO L226 Difference]: Without dead ends: 2266 [2020-11-28 03:19:08,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-11-28 03:19:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2264. [2020-11-28 03:19:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-11-28 03:19:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 2552 transitions. [2020-11-28 03:19:09,036 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 2552 transitions. Word has length 217 [2020-11-28 03:19:09,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:09,037 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 2552 transitions. [2020-11-28 03:19:09,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2552 transitions. [2020-11-28 03:19:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-11-28 03:19:09,046 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:09,046 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:09,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:19:09,273 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:09,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:09,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1739214367, now seen corresponding path program 1 times [2020-11-28 03:19:09,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:09,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504923334] [2020-11-28 03:19:09,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 03:19:09,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504923334] [2020-11-28 03:19:09,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:09,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:09,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649612014] [2020-11-28 03:19:09,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:09,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:09,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:09,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:09,411 INFO L87 Difference]: Start difference. First operand 2264 states and 2552 transitions. Second operand 3 states. [2020-11-28 03:19:10,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:10,022 INFO L93 Difference]: Finished difference Result 5083 states and 5675 transitions. [2020-11-28 03:19:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:10,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-11-28 03:19:10,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:10,037 INFO L225 Difference]: With dead ends: 5083 [2020-11-28 03:19:10,038 INFO L226 Difference]: Without dead ends: 2961 [2020-11-28 03:19:10,041 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 [2020-11-28 03:19:10,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2020-11-28 03:19:10,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 1981. [2020-11-28 03:19:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1981 states. [2020-11-28 03:19:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1981 states and 2210 transitions. [2020-11-28 03:19:10,093 INFO L78 Accepts]: Start accepts. Automaton has 1981 states and 2210 transitions. Word has length 239 [2020-11-28 03:19:10,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:10,094 INFO L481 AbstractCegarLoop]: Abstraction has 1981 states and 2210 transitions. [2020-11-28 03:19:10,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2210 transitions. [2020-11-28 03:19:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-11-28 03:19:10,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:10,101 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:10,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:19:10,101 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:10,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:10,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1985254348, now seen corresponding path program 1 times [2020-11-28 03:19:10,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:10,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128157444] [2020-11-28 03:19:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:10,473 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:10,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128157444] [2020-11-28 03:19:10,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548277034] [2020-11-28 03:19:10,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/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 [2020-11-28 03:19:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:10,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:19:10,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-28 03:19:10,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:19:10,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:19:10,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374161921] [2020-11-28 03:19:10,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:10,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:10,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:10,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:10,665 INFO L87 Difference]: Start difference. First operand 1981 states and 2210 transitions. Second operand 3 states. [2020-11-28 03:19:11,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:11,270 INFO L93 Difference]: Finished difference Result 4657 states and 5142 transitions. [2020-11-28 03:19:11,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:11,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-11-28 03:19:11,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:11,272 INFO L225 Difference]: With dead ends: 4657 [2020-11-28 03:19:11,272 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:19:11,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:11,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:19:11,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:19:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:19:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:19:11,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2020-11-28 03:19:11,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:11,277 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:11,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:19:11,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:19:11,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-28 03:19:11,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:19:11,810 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-11-28 03:19:11,963 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-11-28 03:19:11,967 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,967 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,968 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-28 03:19:11,969 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-28 03:19:11,970 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,971 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-28 03:19:11,972 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-28 03:19:11,973 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-28 03:19:11,973 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-28 03:19:11,973 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-28 03:19:11,978 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-28 03:19:11,978 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-28 03:19:11,978 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,978 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,978 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,979 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-28 03:19:11,979 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:19:11,979 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-28 03:19:11,979 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-28 03:19:11,979 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-28 03:19:11,979 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-28 03:19:11,979 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-28 03:19:11,979 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-28 03:19:11,980 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-28 03:19:11,980 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,980 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,980 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,980 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:19:11,980 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:19:11,980 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:19:11,980 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:19:11,981 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-28 03:19:11,981 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-28 03:19:11,981 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-28 03:19:11,981 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-28 03:19:11,981 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-28 03:19:11,981 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,981 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,981 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,982 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-28 03:19:11,982 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-28 03:19:11,982 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-28 03:19:11,982 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-28 03:19:11,982 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-28 03:19:11,982 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-28 03:19:11,982 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:19:11,983 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:19:11,983 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,983 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,983 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,983 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-28 03:19:11,983 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-28 03:19:11,983 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-28 03:19:11,983 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-28 03:19:11,984 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-28 03:19:11,984 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-28 03:19:11,984 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-28 03:19:11,984 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-28 03:19:11,984 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,984 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,984 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,984 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-28 03:19:11,985 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-28 03:19:11,986 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-28 03:19:11,986 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-28 03:19:11,986 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-28 03:19:11,986 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,986 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,986 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,987 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-28 03:19:11,987 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-28 03:19:11,987 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-28 03:19:11,987 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-28 03:19:11,987 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-28 03:19:11,987 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-28 03:19:11,987 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:19:11,987 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:19:11,988 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-28 03:19:11,988 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-28 03:19:11,988 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-28 03:19:11,988 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,988 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,988 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-28 03:19:11,988 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-28 03:19:11,988 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-28 03:19:11,989 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-28 03:19:11,989 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-28 03:19:11,989 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-28 03:19:11,989 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:19:11,989 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:19:11,989 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-28 03:19:11,989 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:19:11,990 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse2 (<= 10 ~a28~0)) (.cse0 (= ~a25~0 0)) (.cse4 (= ~a19~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 7))) (or (and .cse0 (<= ~a28~0 8) .cse1) (and .cse2 .cse3 .cse1) (and (= ~a25~0 ~a11~0) .cse4 .cse1 .cse5) (and .cse4 .cse2 .cse0 .cse1) (and .cse4 .cse3 .cse1) (and (= ~a11~0 1) .cse1) (and .cse3 .cse1 .cse5))) [2020-11-28 03:19:11,991 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,991 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,991 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-28 03:19:11,991 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-28 03:19:11,991 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-28 03:19:11,991 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-28 03:19:11,991 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:19:11,992 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:19:11,992 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-28 03:19:11,992 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,992 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,992 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-28 03:19:11,992 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-28 03:19:11,992 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-28 03:19:11,992 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-28 03:19:11,993 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-28 03:19:11,993 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-28 03:19:11,993 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:19:11,993 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:19:11,993 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-28 03:19:11,993 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,993 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,993 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:19:11,994 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:19:11,994 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-28 03:19:11,994 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-28 03:19:11,994 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:19:11,994 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-28 03:19:11,994 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-28 03:19:11,996 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (<= 10 ~a28~0)) (.cse0 (= ~a25~0 0)) (.cse4 (= ~a19~0 1)) (.cse3 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 7))) (or (and .cse0 (<= ~a28~0 8) .cse1) (and .cse2 .cse3 .cse1) (and (= ~a25~0 ~a11~0) .cse4 .cse1 .cse5) (and .cse4 .cse2 .cse0 .cse1) (and .cse4 .cse3 .cse1) (and (= ~a11~0 1) .cse1) (and .cse3 .cse1 .cse5))) [2020-11-28 03:19:11,996 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,996 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,996 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-28 03:19:11,996 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-28 03:19:11,996 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-28 03:19:11,997 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-28 03:19:11,997 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-28 03:19:11,997 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,997 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,997 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-28 03:19:11,997 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-28 03:19:11,997 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-28 03:19:11,997 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-28 03:19:11,998 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-28 03:19:11,998 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-28 03:19:11,998 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-28 03:19:11,998 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:19:11,998 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:19:11,998 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,998 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,998 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-28 03:19:11,999 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:11,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:19:11,999 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-28 03:19:12,003 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-28 03:19:12,003 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-28 03:19:12,003 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-28 03:19:12,004 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-28 03:19:12,005 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-28 03:19:12,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:12 BoogieIcfgContainer [2020-11-28 03:19:12,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:19:12,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:12,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:12,045 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:12,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:56" (3/4) ... [2020-11-28 03:19:12,049 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:19:12,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:19:12,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:19:12,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:12,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:12,274 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1869407b-4dd7-4e78-abd2-14c2ce494532/bin/uautomizer/witness.graphml [2020-11-28 03:19:12,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:12,275 INFO L168 Benchmark]: Toolchain (without parser) took 18739.31 ms. Allocated memory was 100.7 MB in the beginning and 304.1 MB in the end (delta: 203.4 MB). Free memory was 62.0 MB in the beginning and 118.0 MB in the end (delta: -55.9 MB). Peak memory consumption was 147.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,275 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:12,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.89 ms. Allocated memory is still 100.7 MB. Free memory was 61.8 MB in the beginning and 60.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.67 ms. Allocated memory is still 100.7 MB. Free memory was 60.3 MB in the beginning and 54.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,276 INFO L168 Benchmark]: Boogie Preprocessor took 71.63 ms. Allocated memory is still 100.7 MB. Free memory was 54.8 MB in the beginning and 50.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,277 INFO L168 Benchmark]: RCFGBuilder took 2222.53 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 50.6 MB in the beginning and 53.5 MB in the end (delta: -2.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,277 INFO L168 Benchmark]: TraceAbstraction took 15385.38 ms. Allocated memory was 121.6 MB in the beginning and 304.1 MB in the end (delta: 182.5 MB). Free memory was 53.5 MB in the beginning and 133.7 MB in the end (delta: -80.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,278 INFO L168 Benchmark]: Witness Printer took 229.28 ms. Allocated memory is still 304.1 MB. Free memory was 133.7 MB in the beginning and 118.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.89 ms. Allocated memory is still 100.7 MB. Free memory was 61.8 MB in the beginning and 60.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.67 ms. Allocated memory is still 100.7 MB. Free memory was 60.3 MB in the beginning and 54.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.63 ms. Allocated memory is still 100.7 MB. Free memory was 54.8 MB in the beginning and 50.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2222.53 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 50.6 MB in the beginning and 53.5 MB in the end (delta: -2.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15385.38 ms. Allocated memory was 121.6 MB in the beginning and 304.1 MB in the end (delta: 182.5 MB). Free memory was 53.5 MB in the beginning and 133.7 MB in the end (delta: -80.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 16.1 GB. * Witness Printer took 229.28 ms. Allocated memory is still 304.1 MB. Free memory was 133.7 MB in the beginning and 118.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((a25 == 0 && a28 <= 8) && a17 <= 8) || ((10 <= a28 && 8 <= a17) && a17 <= 8)) || (((a25 == a11 && a19 == 1) && a17 <= 8) && a28 <= 7)) || (((a19 == 1 && 10 <= a28) && a25 == 0) && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || (a11 == 1 && a17 <= 8)) || ((8 <= a17 && a17 <= 8) && a28 <= 7) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a25 == 0 && a28 <= 8) && a17 <= 8) || ((10 <= a28 && 8 <= a17) && a17 <= 8)) || (((a25 == a11 && a19 == 1) && a17 <= 8) && a28 <= 7)) || (((a19 == 1 && 10 <= a28) && a25 == 0) && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || (a11 == 1 && a17 <= 8)) || ((8 <= a17 && a17 <= 8) && a28 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 933 SDtfs, 1604 SDslu, 161 SDs, 0 SdLazy, 4160 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1030 GetRequests, 1002 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2264occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1866 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 53 NumberOfFragments, 149 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4422 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3045 NumberOfCodeBlocks, 3045 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3029 ConstructedInterpolants, 0 QuantifiedInterpolants, 1525006 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1820 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 1178/1258 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...