./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.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_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f6307005cb5c47af0b5fde9199b934ec7fee093 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:24:11,223 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:24:11,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:24:11,233 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:24:11,233 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:24:11,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:24:11,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:24:11,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:24:11,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:24:11,237 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:24:11,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:24:11,238 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:24:11,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:24:11,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:24:11,239 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:24:11,240 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:24:11,241 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:24:11,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:24:11,243 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:24:11,244 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:24:11,244 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:24:11,245 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:24:11,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:24:11,247 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:24:11,247 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:24:11,247 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:24:11,248 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:24:11,249 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:24:11,249 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:24:11,250 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:24:11,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:24:11,250 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:24:11,250 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:24:11,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:24:11,251 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:24:11,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:24:11,252 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:24:11,262 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:24:11,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:24:11,262 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:24:11,263 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:24:11,263 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:24:11,263 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:24:11,263 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:24:11,263 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:24:11,263 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:24:11,263 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:24:11,264 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:24:11,264 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:24:11,264 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:24:11,264 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:24:11,264 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:24:11,265 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:24:11,265 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:24:11,265 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:24:11,265 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:24:11,265 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:24:11,265 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:24:11,265 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:24:11,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:24:11,266 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:24:11,266 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:24:11,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:24:11,266 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:24:11,266 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:24:11,266 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:24:11,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:24:11,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:24:11,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:24:11,267 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:24:11,267 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:24:11,267 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:24:11,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:24:11,267 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:24:11,268 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan 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 -> Taipan 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 -> 2f6307005cb5c47af0b5fde9199b934ec7fee093 [2018-11-18 17:24:11,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:24:11,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:24:11,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:24:11,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:24:11,303 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:24:11,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-18 17:24:11,337 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/data/4ed3d15e5/63840ebebe8b4f43ab817b1c4144a01a/FLAG5eb838f59 [2018-11-18 17:24:11,782 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:24:11,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-18 17:24:11,792 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/data/4ed3d15e5/63840ebebe8b4f43ab817b1c4144a01a/FLAG5eb838f59 [2018-11-18 17:24:11,803 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/data/4ed3d15e5/63840ebebe8b4f43ab817b1c4144a01a [2018-11-18 17:24:11,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:24:11,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:24:11,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:11,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:24:11,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:24:11,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:11" (1/1) ... [2018-11-18 17:24:11,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:11, skipping insertion in model container [2018-11-18 17:24:11,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:24:11" (1/1) ... [2018-11-18 17:24:11,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:24:11,853 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:24:12,062 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:12,065 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:24:12,132 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:24:12,144 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:24:12,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12 WrapperNode [2018-11-18 17:24:12,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:24:12,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:12,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:24:12,145 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:24:12,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:24:12,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:24:12,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:24:12,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:24:12,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... [2018-11-18 17:24:12,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:24:12,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:24:12,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:24:12,270 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:24:12,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/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 17:24:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:24:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:24:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:24:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:24:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:24:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:24:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:24:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:24:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:24:13,201 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:24:13,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:13 BoogieIcfgContainer [2018-11-18 17:24:13,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:24:13,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:24:13,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:24:13,205 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:24:13,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:24:11" (1/3) ... [2018-11-18 17:24:13,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25585ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:24:13, skipping insertion in model container [2018-11-18 17:24:13,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:24:12" (2/3) ... [2018-11-18 17:24:13,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25585ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:24:13, skipping insertion in model container [2018-11-18 17:24:13,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:13" (3/3) ... [2018-11-18 17:24:13,208 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label16_true-unreach-call.c [2018-11-18 17:24:13,216 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:24:13,224 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:24:13,236 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:24:13,265 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:24:13,265 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:24:13,265 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:24:13,265 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:24:13,265 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:24:13,265 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:24:13,265 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:24:13,266 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:24:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 17:24:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 17:24:13,291 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:13,292 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] [2018-11-18 17:24:13,294 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:13,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:13,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1339291892, now seen corresponding path program 1 times [2018-11-18 17:24:13,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:13,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:13,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:13,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:13,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:13,502 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 17:24:13,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:13,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:24:13,504 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:13,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:24:13,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:24:13,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:24:13,517 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 17:24:14,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:14,150 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 17:24:14,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:24:14,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-18 17:24:14,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:14,164 INFO L225 Difference]: With dead ends: 574 [2018-11-18 17:24:14,165 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 17:24:14,168 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 17:24:14,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 17:24:14,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 17:24:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 17:24:14,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-18 17:24:14,208 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 40 [2018-11-18 17:24:14,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:14,209 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-18 17:24:14,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:24:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-18 17:24:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 17:24:14,212 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:14,212 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, 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] [2018-11-18 17:24:14,213 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:14,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:14,213 INFO L82 PathProgramCache]: Analyzing trace with hash 281575248, now seen corresponding path program 1 times [2018-11-18 17:24:14,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:14,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:14,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:14,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:14,214 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:14,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:14,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:24:14,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:14,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:24:14,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:24:14,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:24:14,368 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 4 states. [2018-11-18 17:24:15,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:15,032 INFO L93 Difference]: Finished difference Result 1282 states and 2328 transitions. [2018-11-18 17:24:15,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:24:15,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2018-11-18 17:24:15,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:15,039 INFO L225 Difference]: With dead ends: 1282 [2018-11-18 17:24:15,039 INFO L226 Difference]: Without dead ends: 932 [2018-11-18 17:24:15,042 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:24:15,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-11-18 17:24:15,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-11-18 17:24:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-18 17:24:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1471 transitions. [2018-11-18 17:24:15,073 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1471 transitions. Word has length 160 [2018-11-18 17:24:15,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:15,074 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1471 transitions. [2018-11-18 17:24:15,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:24:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1471 transitions. [2018-11-18 17:24:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 17:24:15,079 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:15,080 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, 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] [2018-11-18 17:24:15,080 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:15,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:15,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1010805092, now seen corresponding path program 1 times [2018-11-18 17:24:15,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:15,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:15,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:15,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:15,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:15,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:24:15,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:24:15,189 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:15,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:24:15,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:24:15,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:24:15,190 INFO L87 Difference]: Start difference. First operand 932 states and 1471 transitions. Second operand 5 states. [2018-11-18 17:24:16,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:16,433 INFO L93 Difference]: Finished difference Result 3235 states and 5245 transitions. [2018-11-18 17:24:16,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:24:16,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2018-11-18 17:24:16,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:16,446 INFO L225 Difference]: With dead ends: 3235 [2018-11-18 17:24:16,446 INFO L226 Difference]: Without dead ends: 2309 [2018-11-18 17:24:16,453 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:24:16,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2018-11-18 17:24:16,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2259. [2018-11-18 17:24:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2259 states. [2018-11-18 17:24:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 3347 transitions. [2018-11-18 17:24:16,508 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 3347 transitions. Word has length 166 [2018-11-18 17:24:16,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:16,509 INFO L480 AbstractCegarLoop]: Abstraction has 2259 states and 3347 transitions. [2018-11-18 17:24:16,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:24:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 3347 transitions. [2018-11-18 17:24:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 17:24:16,518 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:16,519 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:16,519 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:16,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:16,519 INFO L82 PathProgramCache]: Analyzing trace with hash 102356851, now seen corresponding path program 1 times [2018-11-18 17:24:16,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:16,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:16,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:16,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:16,520 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:16,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:16,693 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:24:16,694 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-18 17:24:16,695 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:24:16,729 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:24:16,729 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:24:17,344 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:24:17,345 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Performed 4135 root evaluator evaluations with a maximum evaluation depth of 10. Performed 4135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 17:24:17,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:17,351 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:24:17,765 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 75.39% of their original sizes. [2018-11-18 17:24:17,765 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:24:17,810 INFO L415 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2018-11-18 17:24:17,810 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:24:17,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:24:17,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:24:17,811 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:17,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:24:17,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:24:17,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:24:17,812 INFO L87 Difference]: Start difference. First operand 2259 states and 3347 transitions. Second operand 10 states. [2018-11-18 17:24:48,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:48,397 INFO L93 Difference]: Finished difference Result 5661 states and 8733 transitions. [2018-11-18 17:24:48,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 17:24:48,397 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 237 [2018-11-18 17:24:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:48,412 INFO L225 Difference]: With dead ends: 5661 [2018-11-18 17:24:48,412 INFO L226 Difference]: Without dead ends: 3408 [2018-11-18 17:24:48,422 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 17:24:48,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2018-11-18 17:24:48,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 3228. [2018-11-18 17:24:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3228 states. [2018-11-18 17:24:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3228 states to 3228 states and 4572 transitions. [2018-11-18 17:24:48,493 INFO L78 Accepts]: Start accepts. Automaton has 3228 states and 4572 transitions. Word has length 237 [2018-11-18 17:24:48,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:48,494 INFO L480 AbstractCegarLoop]: Abstraction has 3228 states and 4572 transitions. [2018-11-18 17:24:48,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:24:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3228 states and 4572 transitions. [2018-11-18 17:24:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 17:24:48,501 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:48,501 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:24:48,501 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:48,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:48,502 INFO L82 PathProgramCache]: Analyzing trace with hash -2003197064, now seen corresponding path program 1 times [2018-11-18 17:24:48,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:48,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:48,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:48,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:48,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:48,660 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:48,660 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:24:48,660 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-18 17:24:48,661 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:24:48,664 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:24:48,664 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:24:48,808 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:24:48,808 INFO L272 AbstractInterpreter]: Visited 135 different actions 268 times. Merged at 7 different actions 10 times. Never widened. Performed 2820 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2820 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 17:24:48,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:48,811 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:24:48,811 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:48,811 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/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 17:24:48,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:48,822 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:24:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:48,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:24:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:48,961 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:24:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:24:49,090 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:24:49,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 17:24:49,091 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:24:49,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:24:49,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:24:49,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:24:49,092 INFO L87 Difference]: Start difference. First operand 3228 states and 4572 transitions. Second operand 9 states. [2018-11-18 17:24:50,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:24:50,390 INFO L93 Difference]: Finished difference Result 8440 states and 13616 transitions. [2018-11-18 17:24:50,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 17:24:50,390 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2018-11-18 17:24:50,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:24:50,400 INFO L225 Difference]: With dead ends: 8440 [2018-11-18 17:24:50,400 INFO L226 Difference]: Without dead ends: 2159 [2018-11-18 17:24:50,447 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 495 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:24:50,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2018-11-18 17:24:50,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 2103. [2018-11-18 17:24:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2103 states. [2018-11-18 17:24:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 2695 transitions. [2018-11-18 17:24:50,501 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 2695 transitions. Word has length 246 [2018-11-18 17:24:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:24:50,502 INFO L480 AbstractCegarLoop]: Abstraction has 2103 states and 2695 transitions. [2018-11-18 17:24:50,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:24:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2695 transitions. [2018-11-18 17:24:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 17:24:50,508 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:24:50,508 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:24:50,509 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:24:50,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:50,509 INFO L82 PathProgramCache]: Analyzing trace with hash 593470960, now seen corresponding path program 1 times [2018-11-18 17:24:50,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:24:50,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:50,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:24:50,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:24:50,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:24:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:24:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 67 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 17:24:50,730 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:24:50,730 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:24:50,731 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-11-18 17:24:50,731 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:24:50,734 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:24:50,735 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:24:50,852 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:24:50,852 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Performed 2727 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 17:24:50,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:24:50,854 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:24:51,015 INFO L227 lantSequenceWeakener]: Weakened 279 states. On average, predicates are now at 77.97% of their original sizes. [2018-11-18 17:24:51,015 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:24:51,083 INFO L415 sIntCurrentIteration]: We unified 281 AI predicates to 281 [2018-11-18 17:24:51,083 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:24:51,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:24:51,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:24:51,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:24:51,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:24:51,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:24:51,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:24:51,084 INFO L87 Difference]: Start difference. First operand 2103 states and 2695 transitions. Second operand 10 states. [2018-11-18 17:25:01,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:01,799 INFO L93 Difference]: Finished difference Result 4067 states and 5242 transitions. [2018-11-18 17:25:01,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 17:25:01,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 282 [2018-11-18 17:25:01,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:01,805 INFO L225 Difference]: With dead ends: 4067 [2018-11-18 17:25:01,805 INFO L226 Difference]: Without dead ends: 2114 [2018-11-18 17:25:01,809 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 292 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 17:25:01,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2018-11-18 17:25:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 2023. [2018-11-18 17:25:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2023 states. [2018-11-18 17:25:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 2386 transitions. [2018-11-18 17:25:01,854 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 2386 transitions. Word has length 282 [2018-11-18 17:25:01,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:01,854 INFO L480 AbstractCegarLoop]: Abstraction has 2023 states and 2386 transitions. [2018-11-18 17:25:01,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:25:01,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2386 transitions. [2018-11-18 17:25:01,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-18 17:25:01,861 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:01,862 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:25:01,862 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:01,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:01,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1213395837, now seen corresponding path program 1 times [2018-11-18 17:25:01,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:25:01,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:01,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:01,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:01,863 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:25:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:02,091 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 289 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 17:25:02,091 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:25:02,091 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:25:02,091 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 356 with the following transitions: [2018-11-18 17:25:02,092 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 17:25:02,094 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:25:02,095 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:25:02,248 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:25:02,249 INFO L272 AbstractInterpreter]: Visited 136 different actions 404 times. Merged at 8 different actions 20 times. Never widened. Performed 4299 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 17:25:02,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:02,252 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:25:02,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:25:02,252 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:25:02,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:02,263 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:25:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:02,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:25:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 289 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 17:25:02,400 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:25:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 289 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 17:25:02,506 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:25:02,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 17:25:02,506 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:25:02,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:25:02,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:25:02,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:25:02,507 INFO L87 Difference]: Start difference. First operand 2023 states and 2386 transitions. Second operand 7 states. [2018-11-18 17:25:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:03,152 INFO L93 Difference]: Finished difference Result 4901 states and 5922 transitions. [2018-11-18 17:25:03,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:25:03,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 355 [2018-11-18 17:25:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:03,158 INFO L225 Difference]: With dead ends: 4901 [2018-11-18 17:25:03,158 INFO L226 Difference]: Without dead ends: 3028 [2018-11-18 17:25:03,160 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 710 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:25:03,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3028 states. [2018-11-18 17:25:03,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3028 to 2881. [2018-11-18 17:25:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2881 states. [2018-11-18 17:25:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 3422 transitions. [2018-11-18 17:25:03,192 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 3422 transitions. Word has length 355 [2018-11-18 17:25:03,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:03,193 INFO L480 AbstractCegarLoop]: Abstraction has 2881 states and 3422 transitions. [2018-11-18 17:25:03,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:25:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3422 transitions. [2018-11-18 17:25:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-11-18 17:25:03,199 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:25:03,199 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:25:03,199 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:25:03,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:25:03,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1969901080, now seen corresponding path program 1 times [2018-11-18 17:25:03,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:25:03,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:03,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:25:03,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:25:03,200 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:25:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:25:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-18 17:25:03,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:25:03,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:25:03,326 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:25:03,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:25:03,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:25:03,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:25:03,327 INFO L87 Difference]: Start difference. First operand 2881 states and 3422 transitions. Second operand 4 states. [2018-11-18 17:25:03,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:25:03,912 INFO L93 Difference]: Finished difference Result 6806 states and 8340 transitions. [2018-11-18 17:25:03,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:25:03,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 368 [2018-11-18 17:25:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:25:03,913 INFO L225 Difference]: With dead ends: 6806 [2018-11-18 17:25:03,913 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:25:03,917 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:25:03,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:25:03,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:25:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:25:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:25:03,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 368 [2018-11-18 17:25:03,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:25:03,918 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:25:03,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:25:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:25:03,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:25:03,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:25:04,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:25:04,732 WARN L180 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 86 [2018-11-18 17:25:05,038 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-11-18 17:25:05,039 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:25:05,039 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 17:25:05,039 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:25:05,039 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 17:25:05,039 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,039 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 17:25:05,040 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 17:25:05,041 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 17:25:05,042 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 17:25:05,043 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 17:25:05,044 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,045 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse4 (not (= 9 |old(~a19~0)|))) (.cse8 (= ~a19~0 9)) (.cse10 (= |old(~a19~0)| ~a19~0)) (.cse9 (= ~a1~0 |old(~a1~0)|))) (let ((.cse12 (and .cse10 .cse9)) (.cse6 (= 3 ~a10~0)) (.cse11 (< 8 |old(~a19~0)|)) (.cse7 (not (= 3 |old(~a10~0)|))) (.cse1 (and .cse8 (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23))) (.cse5 (= |calculate_output_#in~input| 0)) (.cse0 (or .cse2 .cse3 .cse4 (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))))) (and (or (and .cse0 (not (= 2 |old(~a10~0)|))) (or (= ~a10~0 2) .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse4 .cse5 .cse7) (or (and .cse8 (= (mod ~a10~0 2) 0) .cse9) .cse2 .cse3 (not (= 0 (mod |old(~a10~0)| 2))) .cse4 .cse5) (or (= 4 |old(~a10~0)|) (and .cse10 (not (= 4 ~a10~0)) .cse9)) (or (< 0 (+ |old(~a1~0)| 333899)) .cse11 .cse12) (or .cse11 .cse12 (= 6 |old(~a19~0)|) (< 23 |old(~a1~0)|)) (or .cse6 .cse11 .cse7) (or (not (= 8 |old(~a19~0)|)) (and (= 8 ~a19~0) .cse9)) (or (or .cse1 (= ~a10~0 1)) .cse5 (and .cse0 (or (not (= 1 |old(~a10~0)|)) .cse2 .cse3 .cse4)))))) [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 17:25:05,046 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 17:25:05,047 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 17:25:05,048 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 17:25:05,049 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-18 17:25:05,050 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (and (<= ~a1~0 23) (not (= ~a19~0 6)) .cse0) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (not (= 4 ~a10~0)) (and (<= (+ ~a1~0 333899) 0) .cse0) (not (= 0 ~a12~0)) (= 8 ~a19~0) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)))) [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 17:25:05,050 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (and (<= ~a1~0 23) (not (= ~a19~0 6)) .cse0) (= ~a19~0 9) (not (= 23 |old(~a1~0)|)) (not (= 4 ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and (<= (+ ~a1~0 333899) 0) .cse0) (= 8 ~a19~0))) [2018-11-18 17:25:05,050 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 17:25:05,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:25:05 BoogieIcfgContainer [2018-11-18 17:25:05,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:25:05,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:25:05,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:25:05,061 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:25:05,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:24:13" (3/4) ... [2018-11-18 17:25:05,064 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:25:05,069 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:25:05,069 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:25:05,069 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:25:05,077 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:25:05,078 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:25:05,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((a1 <= 23 && !(a19 == 6)) && a19 <= 8) || a19 == 9) || !(23 == \old(a1))) || !(4 == a10)) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || (a1 + 333899 <= 0 && a19 <= 8)) || 8 == a19 [2018-11-18 17:25:05,167 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5d30867a-6c9a-4730-9f08-8c9604415efb/bin-2019/utaipan/witness.graphml [2018-11-18 17:25:05,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:25:05,168 INFO L168 Benchmark]: Toolchain (without parser) took 53362.39 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 956.4 MB in the beginning and 4.4 GB in the end (delta: -3.4 GB). Peak memory consumption was 511.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:05,169 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:25:05,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.94 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:05,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -244.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:05,170 INFO L168 Benchmark]: Boogie Preprocessor took 51.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:05,170 INFO L168 Benchmark]: RCFGBuilder took 932.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:05,170 INFO L168 Benchmark]: TraceAbstraction took 51858.52 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.1 GB in the beginning and 4.4 GB in the end (delta: -3.3 GB). Peak memory consumption was 435.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:25:05,170 INFO L168 Benchmark]: Witness Printer took 106.64 ms. Allocated memory is still 4.9 GB. Free memory is still 4.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:25:05,172 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.94 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -244.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 932.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51858.52 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.1 GB in the beginning and 4.4 GB in the end (delta: -3.3 GB). Peak memory consumption was 435.0 MB. Max. memory is 11.5 GB. * Witness Printer took 106.64 ms. Allocated memory is still 4.9 GB. Free memory is still 4.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((a1 <= 23 && !(a19 == 6)) && a19 <= 8) || a19 == 9) || !(23 == \old(a1))) || !(4 == a10)) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || (a1 + 333899 <= 0 && a19 <= 8)) || 8 == a19 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 51.7s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 46.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 927 SDtfs, 5025 SDslu, 1133 SDs, 0 SdLazy, 8619 SolverSat, 1866 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1799 GetRequests, 1717 SyntacticMatches, 6 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3228occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9969282067140633 AbsIntWeakeningRatio, 0.10058027079303675 AbsIntAvgWeakeningVarsNumRemoved, 13.880077369439071 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 524 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 176 PreInvPairs, 326 NumberOfFragments, 415 HoareAnnotationTreeSize, 176 FomulaSimplifications, 7786 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4646 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2455 NumberOfCodeBlocks, 2455 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3044 ConstructedInterpolants, 0 QuantifiedInterpolants, 2378111 SizeOfPredicates, 1 NumberOfNonLiveVariables, 992 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 2233/2293 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...