./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c -s /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e09138f51265758a55ca4b42a17e715ba685a263 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:11,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:11,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:11,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:11,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:11,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:11,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:11,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:11,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:11,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:11,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:11,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:11,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:11,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:11,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:11,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:11,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:11,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:11,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:11,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:11,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:11,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:11,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:11,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:11,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:11,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:11,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:11,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:11,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:11,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:11,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:11,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:11,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:11,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:11,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:11,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:11,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:11,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:11,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:11,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:11,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:11,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:55:11,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:11,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:11,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:11,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:11,268 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:11,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:11,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:11,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:11,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:11,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:11,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:55:11,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:11,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:55:11,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:11,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:11,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:11,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:55:11,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:11,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:11,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:11,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:11,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:11,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:11,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:11,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:55:11,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:11,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:11,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:55:11,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_81134751-f095-4d97-9560-cee42e1107ce/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(__VERIFIER_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 -> e09138f51265758a55ca4b42a17e715ba685a263 [2019-10-22 08:55:11,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:11,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:11,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:11,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:11,316 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:11,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2019-10-22 08:55:11,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/data/b5f387274/5d545b7fb4cf469ba2b717b76a39c074/FLAG6c2f5c676 [2019-10-22 08:55:11,857 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:11,858 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2019-10-22 08:55:11,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/data/b5f387274/5d545b7fb4cf469ba2b717b76a39c074/FLAG6c2f5c676 [2019-10-22 08:55:12,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/data/b5f387274/5d545b7fb4cf469ba2b717b76a39c074 [2019-10-22 08:55:12,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:12,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:12,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:12,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:12,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:12,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:12" (1/1) ... [2019-10-22 08:55:12,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f4ec20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:12, skipping insertion in model container [2019-10-22 08:55:12,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:12" (1/1) ... [2019-10-22 08:55:12,413 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:12,476 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:12,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:12,943 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:13,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:13,056 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:13,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13 WrapperNode [2019-10-22 08:55:13,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:13,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:13,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:13,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:13,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:13,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:13,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:13,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:13,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... [2019-10-22 08:55:13,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:13,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:13,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:13,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:13,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/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 [2019-10-22 08:55:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:13,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:14,560 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:14,560 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:55:14,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:14 BoogieIcfgContainer [2019-10-22 08:55:14,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:14,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:14,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:14,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:14,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:12" (1/3) ... [2019-10-22 08:55:14,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d940fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:14, skipping insertion in model container [2019-10-22 08:55:14,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:13" (2/3) ... [2019-10-22 08:55:14,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d940fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:14, skipping insertion in model container [2019-10-22 08:55:14,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:14" (3/3) ... [2019-10-22 08:55:14,575 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2019-10-22 08:55:14,587 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:14,597 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:55:14,609 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:55:14,641 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:14,642 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:55:14,642 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:14,642 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:14,642 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:14,642 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:14,642 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:14,643 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-10-22 08:55:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-22 08:55:14,683 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:14,684 INFO L380 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] [2019-10-22 08:55:14,686 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:14,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:14,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1067563974, now seen corresponding path program 1 times [2019-10-22 08:55:14,703 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:14,704 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926427097] [2019-10-22 08:55:14,704 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:14,704 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:14,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:15,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926427097] [2019-10-22 08:55:15,211 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:15,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:15,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191218190] [2019-10-22 08:55:15,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:55:15,221 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:15,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:55:15,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:15,239 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-10-22 08:55:16,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:16,812 INFO L93 Difference]: Finished difference Result 687 states and 1203 transitions. [2019-10-22 08:55:16,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:55:16,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2019-10-22 08:55:16,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:16,839 INFO L225 Difference]: With dead ends: 687 [2019-10-22 08:55:16,840 INFO L226 Difference]: Without dead ends: 397 [2019-10-22 08:55:16,845 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:16,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-22 08:55:16,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 266. [2019-10-22 08:55:16,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-10-22 08:55:16,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2019-10-22 08:55:16,934 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 109 [2019-10-22 08:55:16,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:16,935 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2019-10-22 08:55:16,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:55:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2019-10-22 08:55:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-22 08:55:16,939 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:16,939 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 08:55:16,939 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:16,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:16,940 INFO L82 PathProgramCache]: Analyzing trace with hash 2122354963, now seen corresponding path program 1 times [2019-10-22 08:55:16,940 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:16,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520076425] [2019-10-22 08:55:16,941 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:16,941 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:16,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:17,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520076425] [2019-10-22 08:55:17,023 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:17,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:17,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579406927] [2019-10-22 08:55:17,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:55:17,028 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:17,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:55:17,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:17,029 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 4 states. [2019-10-22 08:55:17,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:17,899 INFO L93 Difference]: Finished difference Result 1054 states and 1512 transitions. [2019-10-22 08:55:17,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:55:17,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2019-10-22 08:55:17,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:17,903 INFO L225 Difference]: With dead ends: 1054 [2019-10-22 08:55:17,904 INFO L226 Difference]: Without dead ends: 790 [2019-10-22 08:55:17,906 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:17,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-22 08:55:17,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-22 08:55:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-22 08:55:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1067 transitions. [2019-10-22 08:55:17,980 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1067 transitions. Word has length 115 [2019-10-22 08:55:17,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:17,980 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1067 transitions. [2019-10-22 08:55:17,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:55:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1067 transitions. [2019-10-22 08:55:17,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-22 08:55:17,994 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:17,994 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 08:55:17,995 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:17,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:17,995 INFO L82 PathProgramCache]: Analyzing trace with hash -624347629, now seen corresponding path program 1 times [2019-10-22 08:55:17,995 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:17,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694695857] [2019-10-22 08:55:17,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:17,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:17,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:18,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694695857] [2019-10-22 08:55:18,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:18,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:18,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277722178] [2019-10-22 08:55:18,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:55:18,163 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:18,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:55:18,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:18,163 INFO L87 Difference]: Start difference. First operand 790 states and 1067 transitions. Second operand 4 states. [2019-10-22 08:55:19,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:19,037 INFO L93 Difference]: Finished difference Result 2626 states and 3530 transitions. [2019-10-22 08:55:19,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:55:19,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-10-22 08:55:19,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:19,052 INFO L225 Difference]: With dead ends: 2626 [2019-10-22 08:55:19,054 INFO L226 Difference]: Without dead ends: 1838 [2019-10-22 08:55:19,057 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:19,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-10-22 08:55:19,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1183. [2019-10-22 08:55:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-10-22 08:55:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1495 transitions. [2019-10-22 08:55:19,121 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1495 transitions. Word has length 116 [2019-10-22 08:55:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:19,122 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1495 transitions. [2019-10-22 08:55:19,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:55:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1495 transitions. [2019-10-22 08:55:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-22 08:55:19,128 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:19,128 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 08:55:19,128 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:19,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:19,129 INFO L82 PathProgramCache]: Analyzing trace with hash -461914661, now seen corresponding path program 1 times [2019-10-22 08:55:19,129 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:19,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507154866] [2019-10-22 08:55:19,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:19,131 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:19,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:55:19,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507154866] [2019-10-22 08:55:19,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:19,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:55:19,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262596149] [2019-10-22 08:55:19,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:19,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:19,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:19,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:19,277 INFO L87 Difference]: Start difference. First operand 1183 states and 1495 transitions. Second operand 3 states. [2019-10-22 08:55:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:19,733 INFO L93 Difference]: Finished difference Result 2495 states and 3143 transitions. [2019-10-22 08:55:19,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:19,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-22 08:55:19,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:19,738 INFO L225 Difference]: With dead ends: 2495 [2019-10-22 08:55:19,739 INFO L226 Difference]: Without dead ends: 1314 [2019-10-22 08:55:19,740 INFO L600 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 [2019-10-22 08:55:19,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-10-22 08:55:19,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 921. [2019-10-22 08:55:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-10-22 08:55:19,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1119 transitions. [2019-10-22 08:55:19,765 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1119 transitions. Word has length 157 [2019-10-22 08:55:19,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:19,765 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1119 transitions. [2019-10-22 08:55:19,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1119 transitions. [2019-10-22 08:55:19,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-22 08:55:19,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:19,769 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:19,769 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:19,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:19,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1011749928, now seen corresponding path program 1 times [2019-10-22 08:55:19,770 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:19,770 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168441208] [2019-10-22 08:55:19,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:19,771 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:19,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:19,934 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-10-22 08:55:19,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168441208] [2019-10-22 08:55:19,935 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:19,935 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:55:19,935 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603872796] [2019-10-22 08:55:19,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:19,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:19,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:19,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:19,936 INFO L87 Difference]: Start difference. First operand 921 states and 1119 transitions. Second operand 3 states. [2019-10-22 08:55:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:20,376 INFO L93 Difference]: Finished difference Result 2364 states and 2880 transitions. [2019-10-22 08:55:20,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:20,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-22 08:55:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:20,381 INFO L225 Difference]: With dead ends: 2364 [2019-10-22 08:55:20,381 INFO L226 Difference]: Without dead ends: 1314 [2019-10-22 08:55:20,383 INFO L600 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 [2019-10-22 08:55:20,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-10-22 08:55:20,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2019-10-22 08:55:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-10-22 08:55:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1339 transitions. [2019-10-22 08:55:20,414 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1339 transitions. Word has length 193 [2019-10-22 08:55:20,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:20,415 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1339 transitions. [2019-10-22 08:55:20,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1339 transitions. [2019-10-22 08:55:20,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-10-22 08:55:20,419 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:20,419 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:20,419 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:20,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:20,420 INFO L82 PathProgramCache]: Analyzing trace with hash 875544516, now seen corresponding path program 1 times [2019-10-22 08:55:20,420 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:20,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794084599] [2019-10-22 08:55:20,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:20,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:20,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-10-22 08:55:20,543 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794084599] [2019-10-22 08:55:20,543 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:20,543 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:20,544 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537987043] [2019-10-22 08:55:20,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:55:20,544 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:20,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:55:20,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:55:20,545 INFO L87 Difference]: Start difference. First operand 1183 states and 1339 transitions. Second operand 4 states. [2019-10-22 08:55:21,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:21,073 INFO L93 Difference]: Finished difference Result 2500 states and 2823 transitions. [2019-10-22 08:55:21,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:21,073 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 201 [2019-10-22 08:55:21,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:21,077 INFO L225 Difference]: With dead ends: 2500 [2019-10-22 08:55:21,077 INFO L226 Difference]: Without dead ends: 1319 [2019-10-22 08:55:21,079 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:21,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2019-10-22 08:55:21,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1314. [2019-10-22 08:55:21,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-10-22 08:55:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1473 transitions. [2019-10-22 08:55:21,134 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1473 transitions. Word has length 201 [2019-10-22 08:55:21,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:21,134 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1473 transitions. [2019-10-22 08:55:21,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:55:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1473 transitions. [2019-10-22 08:55:21,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-22 08:55:21,138 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:21,138 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:21,138 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:21,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:21,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1359075188, now seen corresponding path program 1 times [2019-10-22 08:55:21,139 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:21,139 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664862365] [2019-10-22 08:55:21,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:21,140 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:21,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-10-22 08:55:21,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664862365] [2019-10-22 08:55:21,235 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:21,236 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:55:21,236 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697093805] [2019-10-22 08:55:21,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:55:21,236 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:21,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:55:21,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:21,237 INFO L87 Difference]: Start difference. First operand 1314 states and 1473 transitions. Second operand 5 states. [2019-10-22 08:55:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:22,082 INFO L93 Difference]: Finished difference Result 2757 states and 3105 transitions. [2019-10-22 08:55:22,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:55:22,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2019-10-22 08:55:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:22,088 INFO L225 Difference]: With dead ends: 2757 [2019-10-22 08:55:22,088 INFO L226 Difference]: Without dead ends: 1576 [2019-10-22 08:55:22,090 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:55:22,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-10-22 08:55:22,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2019-10-22 08:55:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-10-22 08:55:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1601 transitions. [2019-10-22 08:55:22,115 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1601 transitions. Word has length 205 [2019-10-22 08:55:22,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:22,116 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1601 transitions. [2019-10-22 08:55:22,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:55:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1601 transitions. [2019-10-22 08:55:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-10-22 08:55:22,120 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:22,120 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:22,121 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:22,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:22,121 INFO L82 PathProgramCache]: Analyzing trace with hash -730744691, now seen corresponding path program 1 times [2019-10-22 08:55:22,121 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:22,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892361460] [2019-10-22 08:55:22,122 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:22,122 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:22,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-22 08:55:22,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892361460] [2019-10-22 08:55:22,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:22,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:55:22,228 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667210823] [2019-10-22 08:55:22,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:22,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:22,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:22,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:22,230 INFO L87 Difference]: Start difference. First operand 1445 states and 1601 transitions. Second operand 3 states. [2019-10-22 08:55:22,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:22,673 INFO L93 Difference]: Finished difference Result 3412 states and 3806 transitions. [2019-10-22 08:55:22,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:22,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2019-10-22 08:55:22,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:22,681 INFO L225 Difference]: With dead ends: 3412 [2019-10-22 08:55:22,681 INFO L226 Difference]: Without dead ends: 1969 [2019-10-22 08:55:22,683 INFO L600 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 [2019-10-22 08:55:22,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-10-22 08:55:22,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2019-10-22 08:55:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-10-22 08:55:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1873 transitions. [2019-10-22 08:55:22,720 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1873 transitions. Word has length 223 [2019-10-22 08:55:22,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:22,720 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1873 transitions. [2019-10-22 08:55:22,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1873 transitions. [2019-10-22 08:55:22,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-22 08:55:22,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:22,726 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:22,726 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:22,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:22,727 INFO L82 PathProgramCache]: Analyzing trace with hash -604904935, now seen corresponding path program 1 times [2019-10-22 08:55:22,727 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:22,727 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398222176] [2019-10-22 08:55:22,727 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:22,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:22,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 233 proven. 27 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-22 08:55:22,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398222176] [2019-10-22 08:55:22,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385180170] [2019-10-22 08:55:22,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/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 [2019-10-22 08:55:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:23,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:55:23,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:55:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-22 08:55:23,172 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:55:23,172 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-10-22 08:55:23,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127150245] [2019-10-22 08:55:23,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:23,173 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:23,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:23,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:23,174 INFO L87 Difference]: Start difference. First operand 1707 states and 1873 transitions. Second operand 3 states. [2019-10-22 08:55:23,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:23,529 INFO L93 Difference]: Finished difference Result 3410 states and 3761 transitions. [2019-10-22 08:55:23,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:23,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-10-22 08:55:23,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:23,530 INFO L225 Difference]: With dead ends: 3410 [2019-10-22 08:55:23,530 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:55:23,533 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:55:23,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:55:23,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:55:23,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:55:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:55:23,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 252 [2019-10-22 08:55:23,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:23,534 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:23,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:55:23,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:55:23,735 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:55:23,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:55:23,984 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-10-22 08:55:24,119 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-10-22 08:55:24,122 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-22 08:55:24,122 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-22 08:55:24,122 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,122 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,122 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,122 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,122 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,122 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,123 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-22 08:55:24,124 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,125 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,128 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,128 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,128 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,128 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-22 08:55:24,129 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-22 08:55:24,129 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-22 08:55:24,129 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-22 08:55:24,129 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-22 08:55:24,129 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-22 08:55:24,129 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-22 08:55:24,130 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-22 08:55:24,130 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-22 08:55:24,130 INFO L439 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse5 (<= ~a20~0 0)) (.cse0 (not (= ~a7~0 1))) (.cse4 (not (= ~a16~0 6))) (.cse1 (not (= 14 ~a8~0))) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5) (= ~a8~0 13) (and .cse0 .cse1 .cse2 .cse5) (and (or (and .cse0 .cse4 .cse2) (and .cse2 (= 5 ~a16~0)) (and .cse4 .cse1 .cse2)) .cse3))) [2019-10-22 08:55:24,132 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,134 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,134 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,134 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-22 08:55:24,135 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L446 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-22 08:55:24,136 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-22 08:55:24,137 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,138 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-22 08:55:24,138 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-22 08:55:24,138 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-22 08:55:24,139 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-22 08:55:24,140 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-22 08:55:24,140 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,140 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (<= ~a20~0 0)) (.cse0 (not (= ~a7~0 1))) (.cse4 (not (= ~a16~0 6))) (.cse1 (not (= 14 ~a8~0))) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5) (= ~a8~0 13) (and .cse0 .cse1 .cse2 .cse5) (and (or (and .cse0 .cse4 .cse2) (and .cse2 (= 5 ~a16~0)) (and .cse4 .cse1 .cse2)) .cse3))) [2019-10-22 08:55:24,140 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,140 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,140 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,140 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,140 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,141 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-22 08:55:24,142 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-22 08:55:24,143 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,144 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-22 08:55:24,145 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-22 08:55:24,152 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,153 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-22 08:55:24,154 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-22 08:55:24,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:24 BoogieIcfgContainer [2019-10-22 08:55:24,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:24,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:24,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:24,181 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:24,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:14" (3/4) ... [2019-10-22 08:55:24,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:55:24,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:55:24,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:55:24,382 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_81134751-f095-4d97-9560-cee42e1107ce/bin/uautomizer/witness.graphml [2019-10-22 08:55:24,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:24,386 INFO L168 Benchmark]: Toolchain (without parser) took 11991.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.5 MB). Free memory was 939.1 MB in the beginning and 854.3 MB in the end (delta: 84.7 MB). Peak memory consumption was 344.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:24,386 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:24,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:24,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:24,388 INFO L168 Benchmark]: Boogie Preprocessor took 81.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:24,388 INFO L168 Benchmark]: RCFGBuilder took 1312.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 112.2 MB). Peak memory consumption was 112.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:24,389 INFO L168 Benchmark]: TraceAbstraction took 9616.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 115.9 MB). Free memory was 998.9 MB in the beginning and 872.0 MB in the end (delta: 127.0 MB). Peak memory consumption was 242.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:24,389 INFO L168 Benchmark]: Witness Printer took 204.11 ms. Allocated memory is still 1.3 GB. Free memory was 872.0 MB in the beginning and 854.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:24,391 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 661.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1312.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 112.2 MB). Peak memory consumption was 112.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9616.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 115.9 MB). Free memory was 998.9 MB in the beginning and 872.0 MB in the end (delta: 127.0 MB). Peak memory consumption was 242.8 MB. Max. memory is 11.5 GB. * Witness Printer took 204.11 ms. Allocated memory is still 1.3 GB. Free memory was 872.0 MB in the beginning and 854.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: 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: 30]: Loop Invariant Derived loop invariant: ((((((!(a7 == 1) && !(14 == a8)) && a21 == 1) && a20 == 1) || ((!(a16 == 6) && a21 == 1) && a20 <= 0)) || a8 == 13) || (((!(a7 == 1) && !(14 == a8)) && a21 == 1) && a20 <= 0)) || (((((!(a7 == 1) && !(a16 == 6)) && a21 == 1) || (a21 == 1 && 5 == a16)) || ((!(a16 == 6) && !(14 == a8)) && a21 == 1)) && a20 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((!(a7 == 1) && !(14 == a8)) && a21 == 1) && a20 == 1) || ((!(a16 == 6) && a21 == 1) && a20 <= 0)) || a8 == 13) || (((!(a7 == 1) && !(14 == a8)) && a21 == 1) && a20 <= 0)) || (((((!(a7 == 1) && !(a16 == 6)) && a21 == 1) || (a21 == 1 && 5 == a16)) || ((!(a16 == 6) && !(14 == a8)) && a21 == 1)) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 9.5s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 471 SDtfs, 1845 SDslu, 90 SDs, 0 SdLazy, 4393 SolverSat, 682 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 283 GetRequests, 261 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1707occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1708 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 38 NumberOfFragments, 163 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2207 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 632 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1823 NumberOfCodeBlocks, 1823 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1813 ConstructedInterpolants, 0 QuantifiedInterpolants, 737947 SizeOfPredicates, 1 NumberOfNonLiveVariables, 457 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 1490/1517 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...