./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/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 49868ba3cc530a9d4dc385567f0a9711da3734c2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:13:51,342 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:13:51,343 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:13:51,350 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:13:51,350 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:13:51,351 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:13:51,352 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:13:51,353 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:13:51,354 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:13:51,355 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:13:51,356 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:13:51,356 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:13:51,356 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:13:51,357 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:13:51,357 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:13:51,358 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:13:51,358 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:13:51,359 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:13:51,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:13:51,362 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:13:51,363 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:13:51,364 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:13:51,365 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:13:51,365 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:13:51,365 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:13:51,366 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:13:51,367 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:13:51,367 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:13:51,368 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:13:51,368 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:13:51,368 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:13:51,369 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:13:51,369 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:13:51,369 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:13:51,369 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:13:51,370 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:13:51,370 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 11:13:51,377 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:13:51,377 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:13:51,378 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:13:51,378 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:13:51,378 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:13:51,378 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:13:51,378 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:13:51,379 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:13:51,379 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:13:51,379 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:13:51,379 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:13:51,379 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:13:51,379 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:13:51,379 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:13:51,379 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:13:51,380 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:13:51,380 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:13:51,380 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:13:51,380 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:13:51,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:13:51,380 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:13:51,380 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:13:51,381 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:13:51,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:13:51,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:13:51,381 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:13:51,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:13:51,381 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:13:51,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:13:51,382 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:13:51,382 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/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 -> 49868ba3cc530a9d4dc385567f0a9711da3734c2 [2018-11-18 11:13:51,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:13:51,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:13:51,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:13:51,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:13:51,417 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:13:51,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-11-18 11:13:51,460 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/data/b7820abb0/1e9538f5bc1f490ea06e9e36d7ed1254/FLAGd3e3cda7e [2018-11-18 11:13:51,904 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:13:51,904 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-11-18 11:13:51,919 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/data/b7820abb0/1e9538f5bc1f490ea06e9e36d7ed1254/FLAGd3e3cda7e [2018-11-18 11:13:51,930 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/data/b7820abb0/1e9538f5bc1f490ea06e9e36d7ed1254 [2018-11-18 11:13:51,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:13:51,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:13:51,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:13:51,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:13:51,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:13:51,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:13:51" (1/1) ... [2018-11-18 11:13:51,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be9d35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:51, skipping insertion in model container [2018-11-18 11:13:51,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:13:51" (1/1) ... [2018-11-18 11:13:51,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:13:51,976 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:13:52,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:13:52,208 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:13:52,271 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:13:52,283 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:13:52,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52 WrapperNode [2018-11-18 11:13:52,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:13:52,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:13:52,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:13:52,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:13:52,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (1/1) ... [2018-11-18 11:13:52,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (1/1) ... [2018-11-18 11:13:52,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (1/1) ... [2018-11-18 11:13:52,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (1/1) ... [2018-11-18 11:13:52,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (1/1) ... [2018-11-18 11:13:52,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (1/1) ... [2018-11-18 11:13:52,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (1/1) ... [2018-11-18 11:13:52,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:13:52,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:13:52,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:13:52,419 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:13:52,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/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 [2018-11-18 11:13:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:13:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:13:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:13:52,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 11:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:13:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:13:53,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:13:53,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:53 BoogieIcfgContainer [2018-11-18 11:13:53,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:13:53,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:13:53,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:13:53,225 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:13:53,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:13:51" (1/3) ... [2018-11-18 11:13:53,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@769b29bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:13:53, skipping insertion in model container [2018-11-18 11:13:53,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:13:52" (2/3) ... [2018-11-18 11:13:53,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@769b29bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:13:53, skipping insertion in model container [2018-11-18 11:13:53,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:53" (3/3) ... [2018-11-18 11:13:53,228 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label05_true-unreach-call_false-termination.c [2018-11-18 11:13:53,234 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:13:53,239 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:13:53,249 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:13:53,269 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:13:53,270 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:13:53,270 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:13:53,270 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:13:53,270 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:13:53,270 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:13:53,270 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:13:53,270 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:13:53,271 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:13:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 11:13:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 11:13:53,296 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:53,297 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:53,298 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:53,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:53,302 INFO L82 PathProgramCache]: Analyzing trace with hash -782709097, now seen corresponding path program 1 times [2018-11-18 11:13:53,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:13:53,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:13:53,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:53,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:53,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:53,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:53,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:13:53,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:13:53,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:13:53,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:13:53,610 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 11:13:54,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:54,184 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-18 11:13:54,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:13:54,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-11-18 11:13:54,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:54,196 INFO L225 Difference]: With dead ends: 621 [2018-11-18 11:13:54,196 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 11:13:54,200 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:13:54,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 11:13:54,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 11:13:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 11:13:54,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-18 11:13:54,247 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 133 [2018-11-18 11:13:54,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:54,248 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-18 11:13:54,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:13:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-18 11:13:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 11:13:54,253 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:54,253 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:54,254 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:54,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:54,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1001431126, now seen corresponding path program 1 times [2018-11-18 11:13:54,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:13:54,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:13:54,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:54,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:54,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:54,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:54,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:13:54,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:13:54,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:13:54,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:54,430 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-11-18 11:13:54,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:54,926 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-11-18 11:13:54,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:13:54,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-11-18 11:13:54,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:54,928 INFO L225 Difference]: With dead ends: 903 [2018-11-18 11:13:54,929 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 11:13:54,931 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:54,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 11:13:54,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-11-18 11:13:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-18 11:13:54,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-11-18 11:13:54,944 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 142 [2018-11-18 11:13:54,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:54,945 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-11-18 11:13:54,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:13:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-11-18 11:13:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 11:13:54,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:54,947 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:54,947 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:54,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:54,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1638990538, now seen corresponding path program 1 times [2018-11-18 11:13:54,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:13:54,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:13:54,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:54,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:54,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:55,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:55,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:13:55,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:13:55,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:13:55,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:55,170 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-11-18 11:13:55,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:55,714 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-11-18 11:13:55,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:13:55,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-11-18 11:13:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:55,721 INFO L225 Difference]: With dead ends: 901 [2018-11-18 11:13:55,721 INFO L226 Difference]: Without dead ends: 380 [2018-11-18 11:13:55,722 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:55,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-18 11:13:55,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-18 11:13:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-18 11:13:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-11-18 11:13:55,738 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 148 [2018-11-18 11:13:55,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:55,739 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-11-18 11:13:55,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:13:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-11-18 11:13:55,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:13:55,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:55,741 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:55,741 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:55,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:55,741 INFO L82 PathProgramCache]: Analyzing trace with hash -2027073139, now seen corresponding path program 1 times [2018-11-18 11:13:55,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:13:55,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:13:55,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:55,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:55,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:55,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:55,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:13:55,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:13:55,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:13:55,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:13:55,829 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-11-18 11:13:56,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:56,570 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-11-18 11:13:56,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:13:56,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-18 11:13:56,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:56,573 INFO L225 Difference]: With dead ends: 1193 [2018-11-18 11:13:56,573 INFO L226 Difference]: Without dead ends: 819 [2018-11-18 11:13:56,574 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:13:56,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-18 11:13:56,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-11-18 11:13:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-18 11:13:56,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-11-18 11:13:56,594 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 156 [2018-11-18 11:13:56,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:56,594 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-11-18 11:13:56,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:13:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-11-18 11:13:56,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 11:13:56,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:56,596 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:56,596 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:56,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:56,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1763589615, now seen corresponding path program 1 times [2018-11-18 11:13:56,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:13:56,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:13:56,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:56,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:56,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:56,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:56,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:13:56,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:13:56,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:13:56,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:56,730 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-11-18 11:13:57,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:57,168 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-11-18 11:13:57,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:13:57,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-11-18 11:13:57,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:57,171 INFO L225 Difference]: With dead ends: 1753 [2018-11-18 11:13:57,171 INFO L226 Difference]: Without dead ends: 804 [2018-11-18 11:13:57,173 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:57,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-18 11:13:57,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-11-18 11:13:57,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-18 11:13:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-11-18 11:13:57,188 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 158 [2018-11-18 11:13:57,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:57,188 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-11-18 11:13:57,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:13:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-11-18 11:13:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:13:57,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:57,191 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:57,191 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:57,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:57,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1311761045, now seen corresponding path program 1 times [2018-11-18 11:13:57,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:13:57,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:13:57,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:57,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:57,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:57,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:57,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:13:57,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:13:57,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:13:57,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:57,313 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-11-18 11:13:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:57,723 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-11-18 11:13:57,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:13:57,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-11-18 11:13:57,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:57,726 INFO L225 Difference]: With dead ends: 1747 [2018-11-18 11:13:57,726 INFO L226 Difference]: Without dead ends: 801 [2018-11-18 11:13:57,728 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:13:57,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-11-18 11:13:57,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-11-18 11:13:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-18 11:13:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-11-18 11:13:57,741 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 160 [2018-11-18 11:13:57,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:57,741 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-11-18 11:13:57,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:13:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-11-18 11:13:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 11:13:57,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:57,743 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:57,743 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:57,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:57,743 INFO L82 PathProgramCache]: Analyzing trace with hash -269929571, now seen corresponding path program 1 times [2018-11-18 11:13:57,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:13:57,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:13:57,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:57,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:57,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:57,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:13:57,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:13:57,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:13:57,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:13:57,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:13:57,806 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-11-18 11:13:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:58,409 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-11-18 11:13:58,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:13:58,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 11:13:58,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:58,418 INFO L225 Difference]: With dead ends: 2381 [2018-11-18 11:13:58,418 INFO L226 Difference]: Without dead ends: 1586 [2018-11-18 11:13:58,427 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:13:58,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-11-18 11:13:58,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-11-18 11:13:58,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-11-18 11:13:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-11-18 11:13:58,461 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 164 [2018-11-18 11:13:58,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:58,461 INFO L480 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-11-18 11:13:58,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:13:58,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-11-18 11:13:58,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 11:13:58,467 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:13:58,467 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:13:58,467 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:13:58,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:13:58,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1973584945, now seen corresponding path program 1 times [2018-11-18 11:13:58,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:13:58,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:13:58,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:58,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:58,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:13:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:13:58,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:13:58,556 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:13:58,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:13:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:13:58,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:13:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:13:58,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:13:58,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-18 11:13:58,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:13:58,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:13:58,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:13:58,760 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 7 states. [2018-11-18 11:13:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:13:59,947 INFO L93 Difference]: Finished difference Result 5623 states and 8466 transitions. [2018-11-18 11:13:59,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 11:13:59,948 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2018-11-18 11:13:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:13:59,948 INFO L225 Difference]: With dead ends: 5623 [2018-11-18 11:13:59,949 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:13:59,959 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-18 11:13:59,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:13:59,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:13:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:13:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:13:59,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2018-11-18 11:13:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:13:59,960 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:13:59,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:13:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:13:59,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:13:59,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:14:00,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:14:00,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:14:00,300 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2018-11-18 11:14:00,400 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:14:00,400 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|)) [2018-11-18 11:14:00,400 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:14:00,400 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,400 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 11:14:00,401 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 11:14:00,402 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,403 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 11:14:00,404 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 11:14:00,407 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 11:14:00,407 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 11:14:00,407 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 11:14:00,408 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 11:14:00,410 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 11:14:00,410 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 11:14:00,410 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 11:14:00,410 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 11:14:00,410 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 11:14:00,411 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,412 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 11:14:00,413 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 11:14:00,414 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,415 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 11:14:00,416 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 11:14:00,417 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 11:14:00,418 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 11:14:00,418 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 11:14:00,418 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,418 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,418 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,418 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= 1 |old(~a11~0)|)) (.cse2 (= 1 |old(~a19~0)|)) (.cse7 (= 1 |old(~a25~0)|)) (.cse12 (= 1 ~a11~0)) (.cse13 (= 8 ~a17~0)) (.cse9 (= |old(~a28~0)| ~a28~0)) (.cse10 (= |old(~a25~0)| ~a25~0)) (.cse11 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (and .cse9 .cse10 .cse11)) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse5 (and .cse12 .cse13)) (.cse0 (not (= 1 ~a21~0))) (.cse3 (not (= 7 |old(~a28~0)|))) (.cse14 (not .cse7)) (.cse15 (not .cse2)) (.cse6 (not .cse8))) (and (or .cse0 (< 9 |old(~a28~0)|) .cse1) (or .cse2 .cse0 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse10 .cse11 (not (= ~a11~0 1)))) (or .cse0 .cse1 .cse7) (or (and .cse12 .cse13 (= 1 ~a19~0) .cse10 (= 10 ~a28~0)) .cse0 (not (= 10 |old(~a28~0)|)) .cse14 .cse15 .cse4 .cse6) (or .cse0 .cse14 .cse15 .cse4 .cse5 (not (= 9 |old(~a28~0)|)) .cse6) (or .cse0 .cse3 .cse14 .cse15 .cse6 (and .cse12 (= 7 ~a17~0)) (not (= 7 |old(~a17~0)|)))))) [2018-11-18 11:14:00,418 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,418 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,418 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 11:14:00,419 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 11:14:00,420 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 11:14:00,421 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 11:14:00,422 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 11:14:00,423 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 11:14:00,423 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 11:14:00,423 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 11:14:00,423 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:14:00,423 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (= 1 ~a19~0) (= ~a21~0 1) (<= ~a28~0 9) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2018-11-18 11:14:00,423 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:14:00,423 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:14:00,423 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (= 9 |old(~a28~0)|) (and (= |old(~a28~0)| ~a28~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|) (not (= ~a11~0 1))) (= 1 |old(~a25~0)|)) [2018-11-18 11:14:00,423 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 11:14:00,423 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (or (not (= 1 ~a21~0)) (<= ~a28~0 9) (not (= ~a11~0 1)) (= 9 |old(~a28~0)|) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (and (= 8 ~a17~0) (= 1 ~a19~0) (= 10 ~a28~0)) (not (= ~a25~0 1))) [2018-11-18 11:14:00,424 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 11:14:00,424 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 11:14:00,424 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 1 ~a21~0)) (<= ~a28~0 9) (not (= ~a11~0 1)) (= 9 |old(~a28~0)|) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (and (= 8 ~a17~0) (= 1 ~a19~0) (= 10 ~a28~0)) (not (= ~a25~0 1))) [2018-11-18 11:14:00,424 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 11:14:00,424 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 11:14:00,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:14:00 BoogieIcfgContainer [2018-11-18 11:14:00,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:14:00,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:14:00,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:14:00,443 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:14:00,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:13:53" (3/4) ... [2018-11-18 11:14:00,448 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:14:00,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:14:00,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:14:00,454 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:14:00,464 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:14:00,465 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:14:00,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || a28 <= 9) || !(a11 == 1)) || 9 == \old(a28)) || 1 == \old(a25)) || 1 == \old(a11)) || 9 < \old(a28)) || !(1 == \old(a19))) || ((8 == a17 && 1 == a19) && 10 == a28)) || !(a25 == 1) [2018-11-18 11:14:00,558 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ec85ada9-e8b6-4fae-8715-acc15bcfc3da/bin-2019/uautomizer/witness.graphml [2018-11-18 11:14:00,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:14:00,559 INFO L168 Benchmark]: Toolchain (without parser) took 8626.46 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 356.0 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -66.3 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:00,559 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:14:00,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 919.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:00,559 INFO L168 Benchmark]: Boogie Preprocessor took 132.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 919.5 MB in the beginning and 1.1 GB in the end (delta: -218.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:00,560 INFO L168 Benchmark]: RCFGBuilder took 803.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:00,560 INFO L168 Benchmark]: TraceAbstraction took 7221.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 210.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 217.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:00,560 INFO L168 Benchmark]: Witness Printer took 115.22 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:14:00,564 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 919.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 132.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 919.5 MB in the beginning and 1.1 GB in the end (delta: -218.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 803.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7221.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 210.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 217.8 MB. Max. memory is 11.5 GB. * Witness Printer took 115.22 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || a28 <= 9) || !(a11 == 1)) || 9 == \old(a28)) || 1 == \old(a25)) || 1 == \old(a11)) || 9 < \old(a28)) || !(1 == \old(a19))) || ((8 == a17 && 1 == a19) && 10 == a28)) || !(a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 954 SDtfs, 5204 SDslu, 878 SDs, 0 SdLazy, 6509 SolverSat, 1455 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 228 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1558occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 40 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 69 PreInvPairs, 141 NumberOfFragments, 350 HoareAnnotationTreeSize, 69 FomulaSimplifications, 1884 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1130 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1459 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1450 ConstructedInterpolants, 0 QuantifiedInterpolants, 1394244 SizeOfPredicates, 2 NumberOfNonLiveVariables, 452 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 292/294 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...