./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label12.c -s /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/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 14ae8eb2d33b1f0bf446cd99369ade126e9422a8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:01:02,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:01:02,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:01:02,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:01:02,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:01:02,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:01:02,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:01:02,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:01:02,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:01:02,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:01:02,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:01:02,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:01:02,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:01:02,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:01:02,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:01:02,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:01:02,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:01:02,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:01:02,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:01:02,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:01:02,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:01:02,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:01:02,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:01:02,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:01:02,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:01:02,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:01:02,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:01:02,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:01:02,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:01:02,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:01:02,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:01:02,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:01:02,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:01:02,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:01:02,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:01:02,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:01:02,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:01:02,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:01:02,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:01:02,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:01:02,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:01:02,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:01:02,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:01:02,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:01:02,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:01:02,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:01:02,302 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:01:02,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:01:02,303 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:01:02,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:01:02,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:01:02,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:01:02,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:01:02,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:01:02,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:01:02,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:01:02,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:01:02,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:01:02,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:01:02,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:01:02,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:01:02,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:01:02,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:01:02,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:01:02,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:01:02,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:01:02,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:01:02,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:01:02,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:01:02,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:01:02,309 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/run_dir_430d8932-a74a-426f-872e-6008b4850fac/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 -> 14ae8eb2d33b1f0bf446cd99369ade126e9422a8 [2019-11-20 09:01:02,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:01:02,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:01:02,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:01:02,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:01:02,556 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:01:02,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label12.c [2019-11-20 09:01:02,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/data/66c890333/3febb3bde5dd494788010816e443927a/FLAG272116b22 [2019-11-20 09:01:03,213 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:01:03,213 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/sv-benchmarks/c/eca-rers2012/Problem01_label12.c [2019-11-20 09:01:03,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/data/66c890333/3febb3bde5dd494788010816e443927a/FLAG272116b22 [2019-11-20 09:01:03,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/data/66c890333/3febb3bde5dd494788010816e443927a [2019-11-20 09:01:03,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:01:03,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:01:03,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:01:03,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:01:03,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:01:03,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:01:03" (1/1) ... [2019-11-20 09:01:03,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f1b7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:03, skipping insertion in model container [2019-11-20 09:01:03,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:01:03" (1/1) ... [2019-11-20 09:01:03,544 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:01:03,613 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:01:04,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:01:04,227 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:01:04,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:01:04,410 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:01:04,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04 WrapperNode [2019-11-20 09:01:04,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:01:04,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:01:04,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:01:04,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:01:04,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:01:04,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:01:04,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:01:04,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:01:04,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... [2019-11-20 09:01:04,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:01:04,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:01:04,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:01:04,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:01:04,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/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 [2019-11-20 09:01:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:01:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:01:06,203 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:01:06,204 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 09:01:06,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:01:06 BoogieIcfgContainer [2019-11-20 09:01:06,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:01:06,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:01:06,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:01:06,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:01:06,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:01:03" (1/3) ... [2019-11-20 09:01:06,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2b413c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:01:06, skipping insertion in model container [2019-11-20 09:01:06,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:04" (2/3) ... [2019-11-20 09:01:06,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2b413c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:01:06, skipping insertion in model container [2019-11-20 09:01:06,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:01:06" (3/3) ... [2019-11-20 09:01:06,217 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label12.c [2019-11-20 09:01:06,229 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:01:06,238 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:01:06,250 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:01:06,292 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:01:06,293 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:01:06,293 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:01:06,293 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:01:06,294 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:01:06,294 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:01:06,295 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:01:06,295 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:01:06,325 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-20 09:01:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 09:01:06,347 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:06,349 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:06,349 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:06,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:06,356 INFO L82 PathProgramCache]: Analyzing trace with hash -56899633, now seen corresponding path program 1 times [2019-11-20 09:01:06,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:06,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558707427] [2019-11-20 09:01:06,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:01:07,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558707427] [2019-11-20 09:01:07,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:01:07,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:01:07,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968145770] [2019-11-20 09:01:07,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:01:07,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:07,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:01:07,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:01:07,032 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-20 09:01:08,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:08,777 INFO L93 Difference]: Finished difference Result 687 states and 1203 transitions. [2019-11-20 09:01:08,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:01:08,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2019-11-20 09:01:08,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:08,810 INFO L225 Difference]: With dead ends: 687 [2019-11-20 09:01:08,811 INFO L226 Difference]: Without dead ends: 397 [2019-11-20 09:01:08,816 INFO L630 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 [2019-11-20 09:01:08,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-20 09:01:08,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 266. [2019-11-20 09:01:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-11-20 09:01:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2019-11-20 09:01:08,886 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 120 [2019-11-20 09:01:08,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:08,887 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2019-11-20 09:01:08,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:01:08,888 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2019-11-20 09:01:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 09:01:08,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:08,891 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:08,892 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:08,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:08,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2046521246, now seen corresponding path program 1 times [2019-11-20 09:01:08,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:08,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47927683] [2019-11-20 09:01:08,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:09,006 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:01:09,007 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47927683] [2019-11-20 09:01:09,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:01:09,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:01:09,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131577444] [2019-11-20 09:01:09,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:01:09,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:09,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:01:09,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:01:09,011 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 4 states. [2019-11-20 09:01:09,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:09,937 INFO L93 Difference]: Finished difference Result 1054 states and 1512 transitions. [2019-11-20 09:01:09,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:01:09,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-11-20 09:01:09,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:09,944 INFO L225 Difference]: With dead ends: 1054 [2019-11-20 09:01:09,944 INFO L226 Difference]: Without dead ends: 790 [2019-11-20 09:01:09,947 INFO L630 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 [2019-11-20 09:01:09,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-20 09:01:10,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-11-20 09:01:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-20 09:01:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1068 transitions. [2019-11-20 09:01:10,040 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1068 transitions. Word has length 126 [2019-11-20 09:01:10,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:10,042 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1068 transitions. [2019-11-20 09:01:10,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:01:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1068 transitions. [2019-11-20 09:01:10,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 09:01:10,057 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:10,058 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:10,058 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:10,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:10,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1403860126, now seen corresponding path program 1 times [2019-11-20 09:01:10,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:10,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849904420] [2019-11-20 09:01:10,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:10,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:01:10,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849904420] [2019-11-20 09:01:10,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:01:10,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:01:10,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730185618] [2019-11-20 09:01:10,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:01:10,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:10,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:01:10,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:01:10,254 INFO L87 Difference]: Start difference. First operand 790 states and 1068 transitions. Second operand 4 states. [2019-11-20 09:01:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:11,060 INFO L93 Difference]: Finished difference Result 1578 states and 2134 transitions. [2019-11-20 09:01:11,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:01:11,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2019-11-20 09:01:11,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:11,067 INFO L225 Difference]: With dead ends: 1578 [2019-11-20 09:01:11,067 INFO L226 Difference]: Without dead ends: 790 [2019-11-20 09:01:11,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:01:11,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-20 09:01:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-11-20 09:01:11,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-20 09:01:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 994 transitions. [2019-11-20 09:01:11,099 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 994 transitions. Word has length 127 [2019-11-20 09:01:11,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:11,100 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 994 transitions. [2019-11-20 09:01:11,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:01:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 994 transitions. [2019-11-20 09:01:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 09:01:11,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:11,105 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:11,105 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:11,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:11,106 INFO L82 PathProgramCache]: Analyzing trace with hash -401386139, now seen corresponding path program 1 times [2019-11-20 09:01:11,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:11,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51461059] [2019-11-20 09:01:11,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 09:01:11,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51461059] [2019-11-20 09:01:11,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:01:11,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:01:11,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107372178] [2019-11-20 09:01:11,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:01:11,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:11,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:01:11,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:01:11,243 INFO L87 Difference]: Start difference. First operand 790 states and 994 transitions. Second operand 3 states. [2019-11-20 09:01:11,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:11,883 INFO L93 Difference]: Finished difference Result 2102 states and 2630 transitions. [2019-11-20 09:01:11,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:01:11,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-11-20 09:01:11,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:11,894 INFO L225 Difference]: With dead ends: 2102 [2019-11-20 09:01:11,895 INFO L226 Difference]: Without dead ends: 1314 [2019-11-20 09:01:11,897 INFO L630 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 [2019-11-20 09:01:11,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-11-20 09:01:11,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2019-11-20 09:01:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-11-20 09:01:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1429 transitions. [2019-11-20 09:01:11,933 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1429 transitions. Word has length 138 [2019-11-20 09:01:11,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:11,933 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1429 transitions. [2019-11-20 09:01:11,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:01:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1429 transitions. [2019-11-20 09:01:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 09:01:11,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:11,938 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:11,938 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:11,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:11,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1268632313, now seen corresponding path program 1 times [2019-11-20 09:01:11,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:11,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638889592] [2019-11-20 09:01:11,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 09:01:12,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638889592] [2019-11-20 09:01:12,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:01:12,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:01:12,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710894974] [2019-11-20 09:01:12,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:01:12,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:12,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:01:12,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:01:12,094 INFO L87 Difference]: Start difference. First operand 1183 states and 1429 transitions. Second operand 4 states. [2019-11-20 09:01:12,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:12,892 INFO L93 Difference]: Finished difference Result 2500 states and 3010 transitions. [2019-11-20 09:01:12,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:01:12,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-11-20 09:01:12,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:12,901 INFO L225 Difference]: With dead ends: 2500 [2019-11-20 09:01:12,902 INFO L226 Difference]: Without dead ends: 1319 [2019-11-20 09:01:12,905 INFO L630 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 [2019-11-20 09:01:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2019-11-20 09:01:12,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1314. [2019-11-20 09:01:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-11-20 09:01:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1566 transitions. [2019-11-20 09:01:12,948 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1566 transitions. Word has length 146 [2019-11-20 09:01:12,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:12,949 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1566 transitions. [2019-11-20 09:01:12,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:01:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1566 transitions. [2019-11-20 09:01:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 09:01:12,953 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:12,954 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:12,954 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:12,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:12,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1203929905, now seen corresponding path program 1 times [2019-11-20 09:01:12,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:12,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945471485] [2019-11-20 09:01:12,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 09:01:13,068 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945471485] [2019-11-20 09:01:13,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:01:13,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:01:13,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071264015] [2019-11-20 09:01:13,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:01:13,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:13,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:01:13,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:01:13,071 INFO L87 Difference]: Start difference. First operand 1314 states and 1566 transitions. Second operand 5 states. [2019-11-20 09:01:14,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:14,339 INFO L93 Difference]: Finished difference Result 2757 states and 3328 transitions. [2019-11-20 09:01:14,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:01:14,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2019-11-20 09:01:14,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:14,350 INFO L225 Difference]: With dead ends: 2757 [2019-11-20 09:01:14,350 INFO L226 Difference]: Without dead ends: 1576 [2019-11-20 09:01:14,353 INFO L630 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 [2019-11-20 09:01:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-11-20 09:01:14,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2019-11-20 09:01:14,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-20 09:01:14,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1859 transitions. [2019-11-20 09:01:14,414 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1859 transitions. Word has length 150 [2019-11-20 09:01:14,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:14,414 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1859 transitions. [2019-11-20 09:01:14,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:01:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1859 transitions. [2019-11-20 09:01:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 09:01:14,420 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:14,420 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:14,421 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:14,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:14,430 INFO L82 PathProgramCache]: Analyzing trace with hash 290696396, now seen corresponding path program 1 times [2019-11-20 09:01:14,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:14,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329905917] [2019-11-20 09:01:14,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 09:01:14,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329905917] [2019-11-20 09:01:14,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:01:14,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:01:14,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634732631] [2019-11-20 09:01:14,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:01:14,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:14,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:01:14,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:01:14,580 INFO L87 Difference]: Start difference. First operand 1576 states and 1859 transitions. Second operand 3 states. [2019-11-20 09:01:15,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:15,181 INFO L93 Difference]: Finished difference Result 3150 states and 3716 transitions. [2019-11-20 09:01:15,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:01:15,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-11-20 09:01:15,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:15,190 INFO L225 Difference]: With dead ends: 3150 [2019-11-20 09:01:15,191 INFO L226 Difference]: Without dead ends: 1576 [2019-11-20 09:01:15,193 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:01:15,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-11-20 09:01:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1314. [2019-11-20 09:01:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-11-20 09:01:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1419 transitions. [2019-11-20 09:01:15,227 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1419 transitions. Word has length 153 [2019-11-20 09:01:15,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:15,227 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1419 transitions. [2019-11-20 09:01:15,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:01:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1419 transitions. [2019-11-20 09:01:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-20 09:01:15,232 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:15,232 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:15,233 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:15,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:15,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1555225680, now seen corresponding path program 1 times [2019-11-20 09:01:15,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:15,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375420502] [2019-11-20 09:01:15,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 09:01:15,344 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375420502] [2019-11-20 09:01:15,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:01:15,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:01:15,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380579728] [2019-11-20 09:01:15,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:01:15,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:15,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:01:15,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:01:15,346 INFO L87 Difference]: Start difference. First operand 1314 states and 1419 transitions. Second operand 3 states. [2019-11-20 09:01:15,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:15,807 INFO L93 Difference]: Finished difference Result 3281 states and 3559 transitions. [2019-11-20 09:01:15,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:01:15,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-11-20 09:01:15,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:15,820 INFO L225 Difference]: With dead ends: 3281 [2019-11-20 09:01:15,820 INFO L226 Difference]: Without dead ends: 2100 [2019-11-20 09:01:15,822 INFO L630 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 [2019-11-20 09:01:15,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-11-20 09:01:15,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2019-11-20 09:01:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 09:01:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1964 transitions. [2019-11-20 09:01:15,868 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1964 transitions. Word has length 168 [2019-11-20 09:01:15,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:15,868 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 1964 transitions. [2019-11-20 09:01:15,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:01:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1964 transitions. [2019-11-20 09:01:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-11-20 09:01:15,874 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:15,875 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:15,875 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:15,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:15,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1961603004, now seen corresponding path program 1 times [2019-11-20 09:01:15,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:15,876 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506223371] [2019-11-20 09:01:15,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:01:16,083 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506223371] [2019-11-20 09:01:16,087 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478880303] [2019-11-20 09:01:16,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/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 [2019-11-20 09:01:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:16,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:01:16,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:01:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 09:01:16,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:01:16,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-20 09:01:16,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824990585] [2019-11-20 09:01:16,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:01:16,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:16,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:01:16,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:01:16,363 INFO L87 Difference]: Start difference. First operand 1838 states and 1964 transitions. Second operand 3 states. [2019-11-20 09:01:16,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:16,900 INFO L93 Difference]: Finished difference Result 1971 states and 2114 transitions. [2019-11-20 09:01:16,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:01:16,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2019-11-20 09:01:16,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:16,912 INFO L225 Difference]: With dead ends: 1971 [2019-11-20 09:01:16,912 INFO L226 Difference]: Without dead ends: 1969 [2019-11-20 09:01:16,913 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:01:16,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-11-20 09:01:16,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2019-11-20 09:01:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 09:01:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1963 transitions. [2019-11-20 09:01:17,002 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1963 transitions. Word has length 197 [2019-11-20 09:01:17,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:17,003 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 1963 transitions. [2019-11-20 09:01:17,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:01:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1963 transitions. [2019-11-20 09:01:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-20 09:01:17,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:17,011 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:17,217 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:01:17,217 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:17,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:17,218 INFO L82 PathProgramCache]: Analyzing trace with hash 964757150, now seen corresponding path program 1 times [2019-11-20 09:01:17,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:17,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466689752] [2019-11-20 09:01:17,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 09:01:17,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466689752] [2019-11-20 09:01:17,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932326191] [2019-11-20 09:01:17,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:01:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:17,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:01:17,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:01:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 09:01:17,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:01:17,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-20 09:01:17,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042439202] [2019-11-20 09:01:17,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:01:17,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:17,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:01:17,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:01:17,690 INFO L87 Difference]: Start difference. First operand 1838 states and 1963 transitions. Second operand 3 states. [2019-11-20 09:01:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:18,215 INFO L93 Difference]: Finished difference Result 3936 states and 4208 transitions. [2019-11-20 09:01:18,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:01:18,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-11-20 09:01:18,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:18,231 INFO L225 Difference]: With dead ends: 3936 [2019-11-20 09:01:18,232 INFO L226 Difference]: Without dead ends: 1969 [2019-11-20 09:01:18,235 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:01:18,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-11-20 09:01:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2019-11-20 09:01:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 09:01:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1943 transitions. [2019-11-20 09:01:18,276 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1943 transitions. Word has length 213 [2019-11-20 09:01:18,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:18,277 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 1943 transitions. [2019-11-20 09:01:18,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:01:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1943 transitions. [2019-11-20 09:01:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-20 09:01:18,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:01:18,284 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:01:18,489 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:01:18,490 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:01:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:18,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1703638970, now seen corresponding path program 1 times [2019-11-20 09:01:18,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:01:18,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38528835] [2019-11-20 09:01:18,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:01:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 140 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:01:19,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38528835] [2019-11-20 09:01:19,026 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245907780] [2019-11-20 09:01:19,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:01:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:19,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:01:19,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:01:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-11-20 09:01:19,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:01:19,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-20 09:01:19,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127955882] [2019-11-20 09:01:19,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:01:19,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:01:19,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:01:19,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 09:01:19,229 INFO L87 Difference]: Start difference. First operand 1838 states and 1943 transitions. Second operand 3 states. [2019-11-20 09:01:19,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:01:19,850 INFO L93 Difference]: Finished difference Result 3934 states and 4173 transitions. [2019-11-20 09:01:19,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:01:19,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2019-11-20 09:01:19,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:01:19,852 INFO L225 Difference]: With dead ends: 3934 [2019-11-20 09:01:19,852 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:01:19,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 09:01:19,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:01:19,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:01:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:01:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:01:19,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2019-11-20 09:01:19,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:01:19,857 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:01:19,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:01:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:01:19,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:01:20,058 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:01:20,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:01:20,464 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-11-20 09:01:20,755 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2019-11-20 09:01:20,758 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-20 09:01:20,758 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-20 09:01:20,759 INFO L444 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,760 INFO L444 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-20 09:01:20,761 INFO L444 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-20 09:01:20,762 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-20 09:01:20,763 INFO L444 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-20 09:01:20,763 INFO L444 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,763 INFO L444 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,763 INFO L444 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,764 INFO L444 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,764 INFO L444 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,765 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-20 09:01:20,765 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-20 09:01:20,765 INFO L444 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-20 09:01:20,765 INFO L444 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-20 09:01:20,765 INFO L444 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-20 09:01:20,765 INFO L444 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-20 09:01:20,766 INFO L444 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-20 09:01:20,766 INFO L444 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-20 09:01:20,766 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-20 09:01:20,767 INFO L440 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse2 (= ~a20~0 1)) (.cse5 (not (= ~a16~0 5))) (.cse6 (= 1 ~a7~0)) (.cse0 (<= ~a17~0 0)) (.cse4 (<= ~a20~0 0)) (.cse3 (= ~a17~0 1)) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and (not (= 1 ULTIMATE.start_calculate_output_~input)) (not (= ~a7~0 1)) .cse3 (= ~a12~0 8) .cse1 .cse2 (= 15 ~a8~0)) (and .cse3 .cse1 .cse4) (and .cse3 .cse1 .cse2 .cse5) (and .cse6 .cse5) (and .cse6 .cse4) (and .cse6 (<= ~a21~0 0) .cse3) (and .cse0 .cse4) (and (= ~a16~0 4) .cse3 .cse1))) [2019-11-20 09:01:20,767 INFO L444 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,767 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,767 INFO L444 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,767 INFO L444 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,768 INFO L444 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,768 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-20 09:01:20,768 INFO L444 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-20 09:01:20,768 INFO L444 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-20 09:01:20,768 INFO L444 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-20 09:01:20,769 INFO L444 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-20 09:01:20,769 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-20 09:01:20,769 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-20 09:01:20,769 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-20 09:01:20,769 INFO L444 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-20 09:01:20,770 INFO L444 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-20 09:01:20,770 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-20 09:01:20,770 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-20 09:01:20,770 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-20 09:01:20,770 INFO L447 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-20 09:01:20,770 INFO L444 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,771 INFO L444 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,771 INFO L444 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,771 INFO L444 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,771 INFO L444 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,771 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-20 09:01:20,772 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-20 09:01:20,772 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-20 09:01:20,772 INFO L444 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-20 09:01:20,772 INFO L444 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-20 09:01:20,772 INFO L444 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-20 09:01:20,772 INFO L444 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-20 09:01:20,773 INFO L444 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-20 09:01:20,773 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-20 09:01:20,773 INFO L444 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,773 INFO L444 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,773 INFO L444 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,774 INFO L444 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,774 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-20 09:01:20,774 INFO L444 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,774 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-20 09:01:20,774 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-20 09:01:20,774 INFO L444 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-20 09:01:20,775 INFO L444 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-20 09:01:20,775 INFO L444 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-20 09:01:20,775 INFO L444 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-20 09:01:20,775 INFO L444 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-20 09:01:20,775 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:01:20,775 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-20 09:01:20,776 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-20 09:01:20,776 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-20 09:01:20,776 INFO L444 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-20 09:01:20,776 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-20 09:01:20,776 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-20 09:01:20,776 INFO L444 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,777 INFO L440 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (not (= ~a16~0 5))) (.cse6 (= 1 ~a7~0)) (.cse0 (<= ~a17~0 0)) (.cse4 (<= ~a20~0 0)) (.cse3 (= ~a17~0 1)) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse3 .cse1 .cse2 .cse5) (and .cse6 .cse5) (and .cse6 .cse4) (and .cse6 (<= ~a21~0 0) .cse3) (and .cse0 .cse4) (and (= ~a16~0 4) .cse3 .cse1) (and (not (= ~a7~0 1)) (= ~a12~0 8) .cse3 .cse1 .cse2 (= 15 ~a8~0)))) [2019-11-20 09:01:20,777 INFO L444 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,777 INFO L444 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,777 INFO L444 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,778 INFO L444 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,778 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-20 09:01:20,778 INFO L444 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-20 09:01:20,778 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-20 09:01:20,778 INFO L444 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-20 09:01:20,778 INFO L444 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-20 09:01:20,779 INFO L444 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-20 09:01:20,779 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-20 09:01:20,779 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-20 09:01:20,779 INFO L444 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,779 INFO L444 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,779 INFO L444 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,780 INFO L444 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,780 INFO L444 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,780 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-20 09:01:20,780 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:01:20,780 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-20 09:01:20,780 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-20 09:01:20,781 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-20 09:01:20,781 INFO L444 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-20 09:01:20,781 INFO L444 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-20 09:01:20,781 INFO L444 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-20 09:01:20,781 INFO L444 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-20 09:01:20,781 INFO L444 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-20 09:01:20,782 INFO L444 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-20 09:01:20,782 INFO L444 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-20 09:01:20,782 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-20 09:01:20,782 INFO L444 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,782 INFO L444 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,782 INFO L444 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,783 INFO L444 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,783 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-20 09:01:20,783 INFO L444 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,783 INFO L444 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,783 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-20 09:01:20,784 INFO L444 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-20 09:01:20,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:01:20,784 INFO L444 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-20 09:01:20,784 INFO L444 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-20 09:01:20,784 INFO L444 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-20 09:01:20,784 INFO L444 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-20 09:01:20,785 INFO L444 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-20 09:01:20,785 INFO L444 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-20 09:01:20,785 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-20 09:01:20,785 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-20 09:01:20,785 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-20 09:01:20,785 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-20 09:01:20,786 INFO L444 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,786 INFO L444 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,786 INFO L444 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,786 INFO L444 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,786 INFO L444 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,786 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-20 09:01:20,787 INFO L444 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,787 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-20 09:01:20,787 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-20 09:01:20,787 INFO L444 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-20 09:01:20,787 INFO L444 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-20 09:01:20,787 INFO L444 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-20 09:01:20,788 INFO L444 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-20 09:01:20,788 INFO L444 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-20 09:01:20,788 INFO L444 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-20 09:01:20,788 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-20 09:01:20,788 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-20 09:01:20,788 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-20 09:01:20,789 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:01:20,789 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-11-20 09:01:20,789 INFO L444 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-20 09:01:20,789 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-20 09:01:20,789 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-20 09:01:20,789 INFO L444 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,790 INFO L444 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,790 INFO L444 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,790 INFO L444 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,790 INFO L444 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,790 INFO L444 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:01:20,790 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-20 09:01:20,791 INFO L444 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-20 09:01:20,791 INFO L444 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-20 09:01:20,791 INFO L444 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-20 09:01:20,791 INFO L444 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-20 09:01:20,791 INFO L444 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-20 09:01:20,791 INFO L444 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-20 09:01:20,792 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-20 09:01:20,792 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-20 09:01:20,792 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-20 09:01:20,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:01:20 BoogieIcfgContainer [2019-11-20 09:01:20,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:01:20,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:01:20,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:01:20,815 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:01:20,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:01:06" (3/4) ... [2019-11-20 09:01:20,819 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:01:20,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 09:01:20,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:01:21,051 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_430d8932-a74a-426f-872e-6008b4850fac/bin/uautomizer/witness.graphml [2019-11-20 09:01:21,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:01:21,053 INFO L168 Benchmark]: Toolchain (without parser) took 17526.54 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 422.6 MB). Free memory was 940.7 MB in the beginning and 1.3 GB in the end (delta: -332.4 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:01:21,053 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:01:21,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 884.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:01:21,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:01:21,055 INFO L168 Benchmark]: Boogie Preprocessor took 101.97 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:01:21,056 INFO L168 Benchmark]: RCFGBuilder took 1579.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.5 MB in the end (delta: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:01:21,056 INFO L168 Benchmark]: TraceAbstraction took 14607.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 280.0 MB). Free memory was 989.5 MB in the beginning and 1.3 GB in the end (delta: -299.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:01:21,057 INFO L168 Benchmark]: Witness Printer took 237.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:01:21,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 884.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.97 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1579.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.5 MB in the end (delta: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14607.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 280.0 MB). Free memory was 989.5 MB in the beginning and 1.3 GB in the end (delta: -299.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 237.24 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: 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: (((((((((a17 <= 0 && a21 == 1) && a20 == 1) || ((((((!(1 == input) && !(a7 == 1)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && 15 == a8)) || ((a17 == 1 && a21 == 1) && a20 <= 0)) || (((a17 == 1 && a21 == 1) && a20 == 1) && !(a16 == 5))) || (1 == a7 && !(a16 == 5))) || (1 == a7 && a20 <= 0)) || ((1 == a7 && a21 <= 0) && a17 == 1)) || (a17 <= 0 && a20 <= 0)) || ((a16 == 4 && a17 == 1) && a21 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((a17 <= 0 && a21 == 1) && a20 == 1) || ((a17 == 1 && a21 == 1) && a20 <= 0)) || (((a17 == 1 && a21 == 1) && a20 == 1) && !(a16 == 5))) || (1 == a7 && !(a16 == 5))) || (1 == a7 && a20 <= 0)) || ((1 == a7 && a21 <= 0) && a17 == 1)) || (a17 <= 0 && a20 <= 0)) || ((a16 == 4 && a17 == 1) && a21 == 1)) || (((((!(a7 == 1) && a12 == 8) && a17 == 1) && a21 == 1) && a20 == 1) && 15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 14.5s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1145 SDtfs, 1828 SDslu, 105 SDs, 0 SdLazy, 5131 SolverSat, 820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 671 GetRequests, 636 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred 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: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 1053 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 199 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1163 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2380 NumberOfCodeBlocks, 2380 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2366 ConstructedInterpolants, 0 QuantifiedInterpolants, 1240341 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1092 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1110/1205 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...