./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/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 c896360830ff8b0574c029e3cde358b7dc7cde03 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:12:48,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:12:48,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:12:48,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:12:48,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:12:48,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:12:48,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:12:48,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:12:48,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:12:48,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:12:48,186 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:12:48,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:12:48,186 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:12:48,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:12:48,187 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:12:48,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:12:48,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:12:48,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:12:48,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:12:48,191 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:12:48,191 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:12:48,192 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:12:48,193 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:12:48,193 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:12:48,193 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:12:48,193 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:12:48,194 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:12:48,194 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:12:48,195 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:12:48,195 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:12:48,195 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:12:48,196 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:12:48,196 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:12:48,196 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:12:48,196 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:12:48,196 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:12:48,197 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 18:12:48,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:12:48,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:12:48,205 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:12:48,206 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:12:48,206 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:12:48,206 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:12:48,206 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:12:48,206 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 18:12:48,206 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:12:48,207 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:12:48,207 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 18:12:48,207 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 18:12:48,207 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:12:48,208 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:12:48,208 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:12:48,208 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:12:48,208 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:12:48,208 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:12:48,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:12:48,208 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:12:48,209 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:12:48,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:12:48,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:12:48,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:12:48,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:12:48,209 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:12:48,210 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:12:48,210 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:12:48,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:12:48,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:12:48,210 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:12:48,210 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:12:48,210 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 18:12:48,211 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:12:48,211 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:12:48,211 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 18:12:48,211 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_ef920032-995f-45e6-b358-99ff2de93301/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 -> c896360830ff8b0574c029e3cde358b7dc7cde03 [2018-12-08 18:12:48,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:12:48,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:12:48,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:12:48,244 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:12:48,244 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:12:48,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-12-08 18:12:48,286 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/data/204663740/d59667bf8606418c96deb35a9615b336/FLAG96d9a57b0 [2018-12-08 18:12:48,636 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:12:48,636 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/sv-benchmarks/c/eca-rers2012/Problem02_label09_true-unreach-call_false-termination.c [2018-12-08 18:12:48,643 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/data/204663740/d59667bf8606418c96deb35a9615b336/FLAG96d9a57b0 [2018-12-08 18:12:49,014 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/data/204663740/d59667bf8606418c96deb35a9615b336 [2018-12-08 18:12:49,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:12:49,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:12:49,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:12:49,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:12:49,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:12:49,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d3ace8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49, skipping insertion in model container [2018-12-08 18:12:49,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:12:49,050 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:12:49,220 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:12:49,223 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:12:49,317 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:12:49,327 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:12:49,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49 WrapperNode [2018-12-08 18:12:49,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:12:49,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:12:49,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:12:49,328 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:12:49,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:12:49,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:12:49,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:12:49,351 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:12:49,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... [2018-12-08 18:12:49,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:12:49,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:12:49,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:12:49,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:12:49,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/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 [2018-12-08 18:12:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:12:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:12:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 18:12:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 18:12:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:12:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:12:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:12:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:12:50,035 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:12:50,036 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 18:12:50,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:12:50 BoogieIcfgContainer [2018-12-08 18:12:50,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:12:50,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:12:50,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:12:50,040 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:12:50,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:12:49" (1/3) ... [2018-12-08 18:12:50,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8637e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:12:50, skipping insertion in model container [2018-12-08 18:12:50,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:12:49" (2/3) ... [2018-12-08 18:12:50,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8637e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:12:50, skipping insertion in model container [2018-12-08 18:12:50,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:12:50" (3/3) ... [2018-12-08 18:12:50,042 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label09_true-unreach-call_false-termination.c [2018-12-08 18:12:50,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:12:50,057 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:12:50,070 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:12:50,098 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:12:50,098 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:12:50,098 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:12:50,099 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:12:50,099 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:12:50,099 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:12:50,099 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:12:50,099 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:12:50,117 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-08 18:12:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 18:12:50,127 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:12:50,128 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:12:50,130 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:12:50,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:50,135 INFO L82 PathProgramCache]: Analyzing trace with hash -976875031, now seen corresponding path program 1 times [2018-12-08 18:12:50,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:12:50,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:50,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:12:50,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:50,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:12:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:12:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:12:50,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:12:50,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:12:50,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:12:50,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:12:50,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:12:50,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:12:50,465 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-08 18:12:50,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:12:50,887 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-12-08 18:12:50,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:12:50,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-12-08 18:12:50,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:12:50,898 INFO L225 Difference]: With dead ends: 624 [2018-12-08 18:12:50,898 INFO L226 Difference]: Without dead ends: 326 [2018-12-08 18:12:50,902 INFO L631 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 [2018-12-08 18:12:50,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-12-08 18:12:50,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-12-08 18:12:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-08 18:12:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-12-08 18:12:50,944 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 127 [2018-12-08 18:12:50,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:12:50,945 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-12-08 18:12:50,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:12:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-12-08 18:12:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 18:12:50,948 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:12:50,948 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:12:50,949 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:12:50,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:50,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1101712018, now seen corresponding path program 1 times [2018-12-08 18:12:50,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:12:50,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:50,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:12:50,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:50,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:12:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:12:51,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:12:51,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:12:51,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:12:51,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:12:51,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:12:51,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:12:51,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:12:51,115 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 5 states. [2018-12-08 18:12:51,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:12:51,479 INFO L93 Difference]: Finished difference Result 723 states and 1093 transitions. [2018-12-08 18:12:51,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:12:51,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-12-08 18:12:51,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:12:51,482 INFO L225 Difference]: With dead ends: 723 [2018-12-08 18:12:51,482 INFO L226 Difference]: Without dead ends: 321 [2018-12-08 18:12:51,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:12:51,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-12-08 18:12:51,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-12-08 18:12:51,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-08 18:12:51,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 463 transitions. [2018-12-08 18:12:51,500 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 463 transitions. Word has length 135 [2018-12-08 18:12:51,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:12:51,500 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 463 transitions. [2018-12-08 18:12:51,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:12:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 463 transitions. [2018-12-08 18:12:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 18:12:51,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:12:51,502 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:12:51,502 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:12:51,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:51,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1390328654, now seen corresponding path program 1 times [2018-12-08 18:12:51,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:12:51,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:51,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:12:51,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:51,503 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:12:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:12:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:12:51,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:12:51,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:12:51,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:12:51,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:12:51,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:12:51,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:12:51,572 INFO L87 Difference]: Start difference. First operand 321 states and 463 transitions. Second operand 6 states. [2018-12-08 18:12:51,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:12:51,982 INFO L93 Difference]: Finished difference Result 979 states and 1481 transitions. [2018-12-08 18:12:51,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:12:51,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-12-08 18:12:51,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:12:51,986 INFO L225 Difference]: With dead ends: 979 [2018-12-08 18:12:51,986 INFO L226 Difference]: Without dead ends: 664 [2018-12-08 18:12:51,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:12:51,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2018-12-08 18:12:52,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 632. [2018-12-08 18:12:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-12-08 18:12:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 895 transitions. [2018-12-08 18:12:52,016 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 895 transitions. Word has length 137 [2018-12-08 18:12:52,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:12:52,016 INFO L480 AbstractCegarLoop]: Abstraction has 632 states and 895 transitions. [2018-12-08 18:12:52,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:12:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 895 transitions. [2018-12-08 18:12:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 18:12:52,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:12:52,018 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:12:52,018 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:12:52,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:52,019 INFO L82 PathProgramCache]: Analyzing trace with hash 13692256, now seen corresponding path program 1 times [2018-12-08 18:12:52,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:12:52,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:52,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:12:52,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:52,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:12:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:12:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:12:52,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:12:52,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:12:52,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:12:52,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:12:52,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:12:52,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:12:52,152 INFO L87 Difference]: Start difference. First operand 632 states and 895 transitions. Second operand 7 states. [2018-12-08 18:12:52,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:12:52,955 INFO L93 Difference]: Finished difference Result 2079 states and 3063 transitions. [2018-12-08 18:12:52,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:12:52,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2018-12-08 18:12:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:12:52,961 INFO L225 Difference]: With dead ends: 2079 [2018-12-08 18:12:52,961 INFO L226 Difference]: Without dead ends: 1453 [2018-12-08 18:12:52,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:12:52,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2018-12-08 18:12:52,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1365. [2018-12-08 18:12:52,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2018-12-08 18:12:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1940 transitions. [2018-12-08 18:12:52,995 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1940 transitions. Word has length 140 [2018-12-08 18:12:52,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:12:52,996 INFO L480 AbstractCegarLoop]: Abstraction has 1365 states and 1940 transitions. [2018-12-08 18:12:52,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:12:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1940 transitions. [2018-12-08 18:12:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 18:12:52,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:12:53,000 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:12:53,000 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:12:53,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:53,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1527973936, now seen corresponding path program 1 times [2018-12-08 18:12:53,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:12:53,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:53,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:12:53,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:53,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:12:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:12:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:12:53,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:12:53,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:12:53,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:12:53,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:12:53,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:12:53,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:12:53,053 INFO L87 Difference]: Start difference. First operand 1365 states and 1940 transitions. Second operand 6 states. [2018-12-08 18:12:53,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:12:53,503 INFO L93 Difference]: Finished difference Result 3355 states and 4901 transitions. [2018-12-08 18:12:53,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:12:53,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-12-08 18:12:53,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:12:53,508 INFO L225 Difference]: With dead ends: 3355 [2018-12-08 18:12:53,508 INFO L226 Difference]: Without dead ends: 1996 [2018-12-08 18:12:53,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:12:53,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2018-12-08 18:12:53,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1968. [2018-12-08 18:12:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1968 states. [2018-12-08 18:12:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2752 transitions. [2018-12-08 18:12:53,548 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2752 transitions. Word has length 148 [2018-12-08 18:12:53,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:12:53,548 INFO L480 AbstractCegarLoop]: Abstraction has 1968 states and 2752 transitions. [2018-12-08 18:12:53,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:12:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2752 transitions. [2018-12-08 18:12:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 18:12:53,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:12:53,552 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:12:53,552 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:12:53,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:53,552 INFO L82 PathProgramCache]: Analyzing trace with hash -234431911, now seen corresponding path program 1 times [2018-12-08 18:12:53,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:12:53,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:53,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:12:53,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:53,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:12:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:12:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:12:53,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:12:53,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:12:53,692 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:12:53,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:12:53,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:12:53,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:12:53,693 INFO L87 Difference]: Start difference. First operand 1968 states and 2752 transitions. Second operand 5 states. [2018-12-08 18:12:54,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:12:54,039 INFO L93 Difference]: Finished difference Result 4016 states and 5676 transitions. [2018-12-08 18:12:54,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:12:54,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2018-12-08 18:12:54,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:12:54,047 INFO L225 Difference]: With dead ends: 4016 [2018-12-08 18:12:54,047 INFO L226 Difference]: Without dead ends: 1968 [2018-12-08 18:12:54,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:12:54,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2018-12-08 18:12:54,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1968. [2018-12-08 18:12:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1968 states. [2018-12-08 18:12:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2702 transitions. [2018-12-08 18:12:54,089 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2702 transitions. Word has length 153 [2018-12-08 18:12:54,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:12:54,090 INFO L480 AbstractCegarLoop]: Abstraction has 1968 states and 2702 transitions. [2018-12-08 18:12:54,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:12:54,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2702 transitions. [2018-12-08 18:12:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 18:12:54,093 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:12:54,093 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:12:54,093 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:12:54,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:54,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1639097634, now seen corresponding path program 1 times [2018-12-08 18:12:54,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:12:54,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:54,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:12:54,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:54,094 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:12:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:12:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:12:54,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:12:54,140 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:12:54,140 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-12-08 18:12:54,142 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 18:12:54,169 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:12:54,169 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:12:54,419 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 18:12:54,419 INFO L272 AbstractInterpreter]: Visited 128 different actions 128 times. Never merged. Never widened. Performed 1398 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1398 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-08 18:12:54,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:54,424 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 18:12:54,646 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 81.1% of their original sizes. [2018-12-08 18:12:54,646 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 18:12:54,681 INFO L418 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-12-08 18:12:54,681 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 18:12:54,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:12:54,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2018-12-08 18:12:54,682 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:12:54,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:12:54,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:12:54,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:12:54,683 INFO L87 Difference]: Start difference. First operand 1968 states and 2702 transitions. Second operand 7 states. [2018-12-08 18:12:56,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:12:56,852 INFO L93 Difference]: Finished difference Result 4076 states and 5592 transitions. [2018-12-08 18:12:56,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:12:56,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 161 [2018-12-08 18:12:56,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:12:56,858 INFO L225 Difference]: With dead ends: 4076 [2018-12-08 18:12:56,858 INFO L226 Difference]: Without dead ends: 2114 [2018-12-08 18:12:56,861 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:12:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2018-12-08 18:12:56,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 2112. [2018-12-08 18:12:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2112 states. [2018-12-08 18:12:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2854 transitions. [2018-12-08 18:12:56,893 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2854 transitions. Word has length 161 [2018-12-08 18:12:56,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:12:56,893 INFO L480 AbstractCegarLoop]: Abstraction has 2112 states and 2854 transitions. [2018-12-08 18:12:56,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:12:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2854 transitions. [2018-12-08 18:12:56,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 18:12:56,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:12:56,896 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:12:56,897 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:12:56,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:56,897 INFO L82 PathProgramCache]: Analyzing trace with hash -612909043, now seen corresponding path program 1 times [2018-12-08 18:12:56,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:12:56,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:56,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:12:56,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:12:56,898 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:12:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:12:56,947 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:12:56,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:12:56,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:12:56,948 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-12-08 18:12:56,948 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 18:12:56,952 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:12:56,952 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:12:57,155 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 18:12:57,156 INFO L272 AbstractInterpreter]: Visited 132 different actions 258 times. Merged at 4 different actions 4 times. Never widened. Performed 2793 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2793 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-08 18:12:57,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:12:57,158 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 18:12:57,345 INFO L227 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 81.12% of their original sizes. [2018-12-08 18:12:57,345 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 18:12:57,404 INFO L418 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-12-08 18:12:57,405 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 18:12:57,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:12:57,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-12-08 18:12:57,405 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:12:57,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 18:12:57,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 18:12:57,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:12:57,406 INFO L87 Difference]: Start difference. First operand 2112 states and 2854 transitions. Second operand 11 states. [2018-12-08 18:13:01,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:13:01,079 INFO L93 Difference]: Finished difference Result 4527 states and 6099 transitions. [2018-12-08 18:13:01,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 18:13:01,079 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2018-12-08 18:13:01,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:13:01,083 INFO L225 Difference]: With dead ends: 4527 [2018-12-08 18:13:01,083 INFO L226 Difference]: Without dead ends: 2421 [2018-12-08 18:13:01,086 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-12-08 18:13:01,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2421 states. [2018-12-08 18:13:01,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2421 to 2414. [2018-12-08 18:13:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2018-12-08 18:13:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3177 transitions. [2018-12-08 18:13:01,118 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3177 transitions. Word has length 170 [2018-12-08 18:13:01,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:13:01,118 INFO L480 AbstractCegarLoop]: Abstraction has 2414 states and 3177 transitions. [2018-12-08 18:13:01,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 18:13:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3177 transitions. [2018-12-08 18:13:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 18:13:01,121 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:13:01,121 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:13:01,121 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:13:01,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:13:01,122 INFO L82 PathProgramCache]: Analyzing trace with hash -747674707, now seen corresponding path program 1 times [2018-12-08 18:13:01,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:13:01,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:13:01,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:13:01,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:13:01,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:13:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:13:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 18:13:01,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:13:01,207 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:13:01,207 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-12-08 18:13:01,207 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 18:13:01,210 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:13:01,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:13:01,373 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 18:13:01,373 INFO L272 AbstractInterpreter]: Visited 132 different actions 388 times. Merged at 6 different actions 12 times. Never widened. Performed 4422 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4422 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 18:13:01,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:13:01,375 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 18:13:01,503 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 84.5% of their original sizes. [2018-12-08 18:13:01,503 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 18:13:01,567 INFO L418 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2018-12-08 18:13:01,567 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 18:13:01,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:13:01,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-08 18:13:01,568 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:13:01,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 18:13:01,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 18:13:01,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:13:01,568 INFO L87 Difference]: Start difference. First operand 2414 states and 3177 transitions. Second operand 10 states. [2018-12-08 18:13:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:13:04,908 INFO L93 Difference]: Finished difference Result 6763 states and 9047 transitions. [2018-12-08 18:13:04,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 18:13:04,908 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 186 [2018-12-08 18:13:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:13:04,915 INFO L225 Difference]: With dead ends: 6763 [2018-12-08 18:13:04,916 INFO L226 Difference]: Without dead ends: 4355 [2018-12-08 18:13:04,919 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-08 18:13:04,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2018-12-08 18:13:04,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4340. [2018-12-08 18:13:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4340 states. [2018-12-08 18:13:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4340 states to 4340 states and 5629 transitions. [2018-12-08 18:13:04,972 INFO L78 Accepts]: Start accepts. Automaton has 4340 states and 5629 transitions. Word has length 186 [2018-12-08 18:13:04,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:13:04,973 INFO L480 AbstractCegarLoop]: Abstraction has 4340 states and 5629 transitions. [2018-12-08 18:13:04,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 18:13:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 4340 states and 5629 transitions. [2018-12-08 18:13:04,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 18:13:04,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:13:04,978 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:13:04,978 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:13:04,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:13:04,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1747066173, now seen corresponding path program 1 times [2018-12-08 18:13:04,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:13:04,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:13:04,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:13:04,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:13:04,979 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:13:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:13:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 87 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 18:13:05,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:13:05,087 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:13:05,088 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-08 18:13:05,088 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [83], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [695], [697], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 18:13:05,090 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:13:05,090 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:13:05,258 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:13:05,258 INFO L272 AbstractInterpreter]: Visited 134 different actions 402 times. Merged at 8 different actions 22 times. Never widened. Performed 4731 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4731 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 18:13:05,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:13:05,266 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:13:05,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:13:05,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/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 [2018-12-08 18:13:05,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:13:05,334 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:13:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:13:05,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:13:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 18:13:05,471 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:13:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 101 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 18:13:05,579 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 18:13:05,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-08 18:13:05,580 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 18:13:05,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 18:13:05,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 18:13:05,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-12-08 18:13:05,581 INFO L87 Difference]: Start difference. First operand 4340 states and 5629 transitions. Second operand 15 states. [2018-12-08 18:13:06,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:13:06,832 INFO L93 Difference]: Finished difference Result 10297 states and 13494 transitions. [2018-12-08 18:13:06,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 18:13:06,832 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 196 [2018-12-08 18:13:06,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:13:06,832 INFO L225 Difference]: With dead ends: 10297 [2018-12-08 18:13:06,832 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:13:06,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 399 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2018-12-08 18:13:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:13:06,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:13:06,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:13:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:13:06,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2018-12-08 18:13:06,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:13:06,841 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:13:06,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 18:13:06,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:13:06,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:13:06,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:13:06,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:06,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:13:07,527 WARN L180 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 80 [2018-12-08 18:13:07,712 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:13:07,712 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-12-08 18:13:07,712 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:13:07,712 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,712 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,712 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,712 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,712 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,713 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-08 18:13:07,714 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-08 18:13:07,715 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-08 18:13:07,716 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-08 18:13:07,717 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-08 18:13:07,718 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-08 18:13:07,719 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-08 18:13:07,720 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-08 18:13:07,721 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a25~0)|))) (let ((.cse17 (= ~a25~0 1)) (.cse18 (= 10 |old(~a28~0)|)) (.cse11 (not .cse7)) (.cse4 (not (= 1 ~a21~0))) (.cse12 (not (= 1 |old(~a19~0)|)))) (let ((.cse1 (let ((.cse19 (not (= 0 |old(~a11~0)|)))) (and (or .cse4 (not .cse18) .cse11 .cse19 (not (= 0 |old(~a19~0)|))) (or .cse4 .cse12 (= 0 |old(~a28~0)|) .cse19)))) (.cse0 (= |calculate_output_#in~input| 0)) (.cse6 (not .cse17)) (.cse3 (not (= |old(~a17~0)| 8))) (.cse14 (= 1 ~a25~0)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse5 (= |old(~a11~0)| |old(~a19~0)|)) (.cse8 (= |old(~a28~0)| ~a28~0)) (.cse9 (= |old(~a19~0)| ~a19~0)) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= 7 ~a17~0)) (.cse16 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 (= ~a25~0 0) .cse2 .cse3 (not (= 0 |old(~a25~0)|))) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse4 (and .cse8 .cse9 .cse10 (= ~a17~0 |old(~a17~0)|)) .cse3) (or .cse4 .cse11 .cse12 .cse13 .cse14 (not (= 9 |old(~a28~0)|))) (or .cse4 (not (= 7 |old(~a28~0)|)) (and .cse8 (= 1 ~a11~0) .cse15 .cse14 (= 1 ~a19~0)) .cse11 .cse12 (not (= 1 |old(~a11~0)|)) .cse16) (or .cse1 .cse13 .cse0 (or .cse17 (= ~a19~0 1))) (or .cse4 (and .cse8 .cse9 .cse10 .cse6 .cse15) .cse2 .cse7 .cse16) (or .cse4 .cse6 .cse18 .cse3 .cse7) (or .cse14 (or .cse4 .cse11 .cse12 .cse5 .cse13)) (or .cse4 .cse18 .cse2 .cse5 (and .cse8 .cse9 .cse10 .cse15) .cse16))))) [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,722 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,723 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-08 18:13:07,724 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-08 18:13:07,725 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-08 18:13:07,726 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:13:07,726 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:13:07,726 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-12-08 18:13:07,727 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-12-08 18:13:07,727 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-08 18:13:07,727 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-08 18:13:07,727 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a28~0))) (let ((.cse1 (= 7 ~a17~0)) (.cse2 (not .cse0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and .cse0 (= 1 ~a11~0) .cse1 (= 1 ~a25~0) (= 1 ~a19~0)) (and (not (= ~a25~0 1)) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 (not (= ~a19~0 ~a11~0)) (not (= ~a28~0 10))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-12-08 18:13:07,727 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-08 18:13:07,727 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-08 18:13:07,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:13:07 BoogieIcfgContainer [2018-12-08 18:13:07,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:13:07,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:13:07,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:13:07,736 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:13:07,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:12:50" (3/4) ... [2018-12-08 18:13:07,739 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:13:07,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:13:07,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 18:13:07,744 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:13:07,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 18:13:07,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 18:13:07,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || \old(a17) == a17) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((!(a25 == 1) && 7 == a17) && !(7 == a28))) || !(1 == \old(a19))) || (((7 == a17 && !(7 == a28)) && !(a19 == a11)) && !(a28 == 10))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-08 18:13:07,834 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef920032-995f-45e6-b358-99ff2de93301/bin-2019/utaipan/witness.graphml [2018-12-08 18:13:07,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:13:07,835 INFO L168 Benchmark]: Toolchain (without parser) took 18817.54 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 979.9 MB). Free memory was 947.0 MB in the beginning and 862.1 MB in the end (delta: 84.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 18:13:07,835 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:13:07,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-12-08 18:13:07,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:13:07,836 INFO L168 Benchmark]: Boogie Preprocessor took 50.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:13:07,836 INFO L168 Benchmark]: RCFGBuilder took 635.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.3 MB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:13:07,836 INFO L168 Benchmark]: TraceAbstraction took 17698.42 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 880.3 MB). Free memory was 979.3 MB in the beginning and 883.8 MB in the end (delta: 95.5 MB). Peak memory consumption was 975.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:13:07,836 INFO L168 Benchmark]: Witness Printer took 98.35 ms. Allocated memory is still 2.0 GB. Free memory was 883.8 MB in the beginning and 862.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:13:07,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 635.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.3 MB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17698.42 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 880.3 MB). Free memory was 979.3 MB in the beginning and 883.8 MB in the end (delta: 95.5 MB). Peak memory consumption was 975.8 MB. Max. memory is 11.5 GB. * Witness Printer took 98.35 ms. Allocated memory is still 2.0 GB. Free memory was 883.8 MB in the beginning and 862.1 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || \old(a17) == a17) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((!(a25 == 1) && 7 == a17) && !(7 == a28))) || !(1 == \old(a19))) || (((7 == a17 && !(7 == a28)) && !(a19 == a11)) && !(a28 == 10))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 17.6s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 733 SDtfs, 7156 SDslu, 872 SDs, 0 SdLazy, 9260 SolverSat, 1790 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1017 GetRequests, 912 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4340occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9967204328078046 AbsIntWeakeningRatio, 0.22178988326848248 AbsIntAvgWeakeningVarsNumRemoved, 26.215953307392997 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 177 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 151 PreInvPairs, 235 NumberOfFragments, 540 HoareAnnotationTreeSize, 151 FomulaSimplifications, 10426 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4367 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1749 NumberOfCodeBlocks, 1749 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1933 ConstructedInterpolants, 0 QuantifiedInterpolants, 1269577 SizeOfPredicates, 1 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 561/649 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...