./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:53:19,216 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:53:19,217 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:53:19,224 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:53:19,224 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:53:19,225 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:53:19,226 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:53:19,227 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:53:19,228 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:53:19,228 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:53:19,229 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:53:19,229 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:53:19,230 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:53:19,230 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:53:19,231 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:53:19,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:53:19,232 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:53:19,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:53:19,234 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:53:19,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:53:19,236 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:53:19,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:53:19,238 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:53:19,239 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:53:19,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:53:19,239 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:53:19,240 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:53:19,241 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:53:19,241 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:53:19,242 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:53:19,242 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:53:19,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:53:19,243 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:53:19,243 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:53:19,243 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:53:19,244 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:53:19,244 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:53:19,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:53:19,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:53:19,254 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:53:19,254 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:53:19,254 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:53:19,255 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:53:19,255 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:53:19,255 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:53:19,255 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:53:19,255 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:53:19,255 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:53:19,255 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:53:19,255 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:53:19,256 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:53:19,256 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:53:19,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:53:19,256 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:53:19,256 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:53:19,256 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:53:19,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:53:19,256 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:53:19,257 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:53:19,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:53:19,257 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:53:19,257 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:53:19,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:53:19,257 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:53:19,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:53:19,257 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:53:19,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:53:19,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:53:19,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:53:19,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:53:19,258 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:53:19,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:53:19,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:53:19,258 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:53:19,258 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_94042a99-83c0-4d88-aa55-37689ce17627/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-11-18 09:53:19,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:53:19,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:53:19,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:53:19,289 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:53:19,289 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:53:19,290 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-18 09:53:19,324 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/data/23b9bb88d/949dfa7a057e4ffaa8e21e0ee03428fb/FLAG4415f176d [2018-11-18 09:53:19,779 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:53:19,780 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-18 09:53:19,788 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/data/23b9bb88d/949dfa7a057e4ffaa8e21e0ee03428fb/FLAG4415f176d [2018-11-18 09:53:19,800 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/data/23b9bb88d/949dfa7a057e4ffaa8e21e0ee03428fb [2018-11-18 09:53:19,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:53:19,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:53:19,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:53:19,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:53:19,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:53:19,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:53:19" (1/1) ... [2018-11-18 09:53:19,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:19, skipping insertion in model container [2018-11-18 09:53:19,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:53:19" (1/1) ... [2018-11-18 09:53:19,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:53:19,853 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:53:20,067 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:53:20,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:53:20,134 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:53:20,147 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:53:20,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20 WrapperNode [2018-11-18 09:53:20,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:53:20,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:53:20,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:53:20,148 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:53:20,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:53:20,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:53:20,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:53:20,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:53:20,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... [2018-11-18 09:53:20,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:53:20,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:53:20,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:53:20,270 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:53:20,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:53:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:53:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:53:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 09:53:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 09:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:53:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:53:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:53:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:53:21,085 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:53:21,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:21 BoogieIcfgContainer [2018-11-18 09:53:21,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:53:21,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:53:21,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:53:21,089 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:53:21,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:53:19" (1/3) ... [2018-11-18 09:53:21,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b5a15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:53:21, skipping insertion in model container [2018-11-18 09:53:21,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:20" (2/3) ... [2018-11-18 09:53:21,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b5a15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:53:21, skipping insertion in model container [2018-11-18 09:53:21,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:21" (3/3) ... [2018-11-18 09:53:21,091 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label14_true-unreach-call_false-termination.c [2018-11-18 09:53:21,097 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:53:21,102 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:53:21,110 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:53:21,131 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:53:21,131 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:53:21,132 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:53:21,132 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:53:21,132 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:53:21,132 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:53:21,132 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:53:21,132 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:53:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 09:53:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 09:53:21,157 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:21,158 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:21,160 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:21,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:21,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1648799080, now seen corresponding path program 1 times [2018-11-18 09:53:21,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:21,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:21,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:21,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:21,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:21,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:53:21,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:53:21,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:21,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:53:21,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:53:21,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:53:21,475 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 09:53:21,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:21,988 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-18 09:53:21,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:53:21,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-11-18 09:53:21,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:22,000 INFO L225 Difference]: With dead ends: 621 [2018-11-18 09:53:22,000 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 09:53:22,004 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:53:22,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 09:53:22,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 09:53:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 09:53:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-18 09:53:22,048 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 124 [2018-11-18 09:53:22,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:22,049 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-18 09:53:22,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:53:22,049 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-18 09:53:22,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 09:53:22,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:22,053 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:22,055 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:22,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:22,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1971063541, now seen corresponding path program 1 times [2018-11-18 09:53:22,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:22,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:22,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:22,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:22,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:22,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:53:22,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:53:22,222 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:22,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:53:22,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:53:22,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:53:22,224 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-11-18 09:53:22,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:22,704 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-11-18 09:53:22,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:53:22,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-18 09:53:22,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:22,707 INFO L225 Difference]: With dead ends: 903 [2018-11-18 09:53:22,707 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 09:53:22,709 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:53:22,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 09:53:22,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-11-18 09:53:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-18 09:53:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-11-18 09:53:22,724 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 133 [2018-11-18 09:53:22,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:22,725 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-11-18 09:53:22,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:53:22,725 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-11-18 09:53:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 09:53:22,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:22,727 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:22,727 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:22,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:22,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1740193815, now seen corresponding path program 1 times [2018-11-18 09:53:22,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:22,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:22,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:22,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:22,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:22,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:22,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:53:22,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:53:22,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:22,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:53:22,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:53:22,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:53:22,923 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-11-18 09:53:23,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:23,375 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-11-18 09:53:23,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:53:23,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2018-11-18 09:53:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:23,378 INFO L225 Difference]: With dead ends: 901 [2018-11-18 09:53:23,378 INFO L226 Difference]: Without dead ends: 380 [2018-11-18 09:53:23,379 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:53:23,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-18 09:53:23,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-18 09:53:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-18 09:53:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-11-18 09:53:23,395 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 139 [2018-11-18 09:53:23,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:23,396 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-11-18 09:53:23,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:53:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-11-18 09:53:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 09:53:23,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:23,398 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:23,398 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:23,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:23,398 INFO L82 PathProgramCache]: Analyzing trace with hash -295510606, now seen corresponding path program 1 times [2018-11-18 09:53:23,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:23,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:23,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:23,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:23,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:23,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:53:23,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:53:23,458 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:23,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:53:23,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:53:23,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:53:23,458 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-11-18 09:53:24,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:24,259 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-11-18 09:53:24,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:53:24,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-18 09:53:24,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:24,263 INFO L225 Difference]: With dead ends: 1193 [2018-11-18 09:53:24,263 INFO L226 Difference]: Without dead ends: 819 [2018-11-18 09:53:24,264 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:53:24,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-18 09:53:24,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-11-18 09:53:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-18 09:53:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-11-18 09:53:24,287 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 147 [2018-11-18 09:53:24,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:24,287 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-11-18 09:53:24,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:53:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-11-18 09:53:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 09:53:24,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:24,290 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:24,290 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:24,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:24,290 INFO L82 PathProgramCache]: Analyzing trace with hash -431421266, now seen corresponding path program 1 times [2018-11-18 09:53:24,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:24,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:24,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:24,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:24,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:24,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:53:24,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:53:24,444 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:24,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:53:24,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:53:24,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:53:24,445 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-11-18 09:53:24,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:24,993 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-11-18 09:53:24,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:53:24,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-11-18 09:53:24,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:24,996 INFO L225 Difference]: With dead ends: 1753 [2018-11-18 09:53:24,997 INFO L226 Difference]: Without dead ends: 804 [2018-11-18 09:53:24,998 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:53:24,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-18 09:53:25,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-11-18 09:53:25,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-18 09:53:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-11-18 09:53:25,015 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 149 [2018-11-18 09:53:25,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:25,015 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-11-18 09:53:25,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:53:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-11-18 09:53:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 09:53:25,017 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:25,017 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:25,017 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:25,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:25,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1643086762, now seen corresponding path program 1 times [2018-11-18 09:53:25,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:25,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:25,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:25,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:53:25,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:53:25,135 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:25,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:53:25,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:53:25,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:53:25,136 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-11-18 09:53:25,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:25,532 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-11-18 09:53:25,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:53:25,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2018-11-18 09:53:25,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:25,540 INFO L225 Difference]: With dead ends: 1747 [2018-11-18 09:53:25,541 INFO L226 Difference]: Without dead ends: 801 [2018-11-18 09:53:25,544 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:53:25,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-11-18 09:53:25,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-11-18 09:53:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-18 09:53:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-11-18 09:53:25,561 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 151 [2018-11-18 09:53:25,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:25,561 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-11-18 09:53:25,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:53:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-11-18 09:53:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 09:53:25,564 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:25,564 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:25,564 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:25,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:25,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1909626462, now seen corresponding path program 1 times [2018-11-18 09:53:25,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:25,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:25,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:25,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:25,568 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:25,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:53:25,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:53:25,641 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:25,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:53:25,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:53:25,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:53:25,642 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-11-18 09:53:26,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:26,290 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-11-18 09:53:26,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:53:26,293 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-18 09:53:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:26,299 INFO L225 Difference]: With dead ends: 2381 [2018-11-18 09:53:26,299 INFO L226 Difference]: Without dead ends: 1586 [2018-11-18 09:53:26,302 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:53:26,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-11-18 09:53:26,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-11-18 09:53:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-11-18 09:53:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-11-18 09:53:26,337 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 155 [2018-11-18 09:53:26,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:26,337 INFO L480 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-11-18 09:53:26,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:53:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-11-18 09:53:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 09:53:26,342 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:26,342 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:26,342 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:26,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:26,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1663549744, now seen corresponding path program 1 times [2018-11-18 09:53:26,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:26,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:26,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:26,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:26,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:26,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:53:26,434 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:53:26,435 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-11-18 09:53:26,436 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [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], [663], [665], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:53:26,466 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:53:26,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:53:26,956 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:53:26,957 INFO L272 AbstractInterpreter]: Visited 128 different actions 250 times. Merged at 5 different actions 5 times. Never widened. Performed 2803 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2803 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 09:53:26,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:26,974 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:53:27,323 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 82.64% of their original sizes. [2018-11-18 09:53:27,323 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:53:27,398 INFO L415 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-11-18 09:53:27,398 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:53:27,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:53:27,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 09:53:27,399 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:27,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:53:27,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:53:27,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:53:27,400 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 10 states. [2018-11-18 09:53:30,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:30,595 INFO L93 Difference]: Finished difference Result 3925 states and 5567 transitions. [2018-11-18 09:53:30,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 09:53:30,595 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-11-18 09:53:30,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:30,600 INFO L225 Difference]: With dead ends: 3925 [2018-11-18 09:53:30,600 INFO L226 Difference]: Without dead ends: 2373 [2018-11-18 09:53:30,603 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 09:53:30,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2018-11-18 09:53:30,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2302. [2018-11-18 09:53:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2302 states. [2018-11-18 09:53:30,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3078 transitions. [2018-11-18 09:53:30,693 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3078 transitions. Word has length 190 [2018-11-18 09:53:30,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:30,694 INFO L480 AbstractCegarLoop]: Abstraction has 2302 states and 3078 transitions. [2018-11-18 09:53:30,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:53:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3078 transitions. [2018-11-18 09:53:30,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 09:53:30,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:30,698 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-11-18 09:53:30,698 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:30,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:30,698 INFO L82 PathProgramCache]: Analyzing trace with hash 2065239331, now seen corresponding path program 1 times [2018-11-18 09:53:30,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:30,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:30,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:30,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:30,699 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 85 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:30,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:53:30,800 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:53:30,800 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-18 09:53:30,800 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [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], [663], [665], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:53:30,804 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:53:30,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:53:30,986 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:53:30,986 INFO L272 AbstractInterpreter]: Visited 130 different actions 390 times. Merged at 8 different actions 24 times. Never widened. Performed 4591 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4591 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 09:53:30,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:30,998 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:53:30,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:53:30,998 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:53:31,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:31,010 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:53:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:31,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:53:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:53:31,128 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:53:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 100 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:53:31,210 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:53:31,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-18 09:53:31,210 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:53:31,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 09:53:31,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 09:53:31,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-18 09:53:31,211 INFO L87 Difference]: Start difference. First operand 2302 states and 3078 transitions. Second operand 14 states. [2018-11-18 09:53:32,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:32,780 INFO L93 Difference]: Finished difference Result 7743 states and 10793 transitions. [2018-11-18 09:53:32,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 09:53:32,781 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 195 [2018-11-18 09:53:32,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:32,790 INFO L225 Difference]: With dead ends: 7743 [2018-11-18 09:53:32,790 INFO L226 Difference]: Without dead ends: 3458 [2018-11-18 09:53:32,801 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 402 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 09:53:32,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2018-11-18 09:53:32,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3412. [2018-11-18 09:53:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3412 states. [2018-11-18 09:53:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3412 states and 4022 transitions. [2018-11-18 09:53:32,865 INFO L78 Accepts]: Start accepts. Automaton has 3412 states and 4022 transitions. Word has length 195 [2018-11-18 09:53:32,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:32,865 INFO L480 AbstractCegarLoop]: Abstraction has 3412 states and 4022 transitions. [2018-11-18 09:53:32,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 09:53:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 4022 transitions. [2018-11-18 09:53:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 09:53:32,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:32,871 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:32,871 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:32,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:32,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1880112569, now seen corresponding path program 1 times [2018-11-18 09:53:32,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:53:32,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:32,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:32,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:32,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:53:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:53:33,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:53:33,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:53:33,027 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-18 09:53:33,028 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [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], [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], [324], [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], [663], [665], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:53:33,031 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:53:33,031 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:53:33,298 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:53:33,298 INFO L272 AbstractInterpreter]: Visited 129 different actions 378 times. Merged at 7 different actions 15 times. Never widened. Performed 4493 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4493 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 09:53:33,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:33,305 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:53:33,305 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:53:33,305 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:53:33,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:33,311 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:53:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:53:33,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:53:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:53:33,442 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:53:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:53:33,509 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:53:33,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 09:53:33,509 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:53:33,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:53:33,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:53:33,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:53:33,510 INFO L87 Difference]: Start difference. First operand 3412 states and 4022 transitions. Second operand 3 states. [2018-11-18 09:53:33,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:53:33,735 INFO L93 Difference]: Finished difference Result 6490 states and 7719 transitions. [2018-11-18 09:53:33,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:53:33,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2018-11-18 09:53:33,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:53:33,736 INFO L225 Difference]: With dead ends: 6490 [2018-11-18 09:53:33,736 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:53:33,745 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:53:33,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:53:33,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:53:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:53:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:53:33,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2018-11-18 09:53:33,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:53:33,746 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:53:33,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:53:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:53:33,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:53:33,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:53:33,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:33,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:53:34,505 WARN L180 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 80 [2018-11-18 09:53:34,716 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2018-11-18 09:53:34,718 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:53:34,718 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-18 09:53:34,718 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:53:34,718 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,718 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,718 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,718 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,718 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,719 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 09:53:34,720 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 09:53:34,721 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 09:53:34,721 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,721 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,721 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,721 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,721 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,721 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,722 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,723 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 09:53:34,724 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,725 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,726 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,727 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 09:53:34,728 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,729 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,729 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,729 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse9 (= 1 |old(~a19~0)|)) (.cse1 (= 1 |old(~a11~0)|)) (.cse15 (= 1 |old(~a25~0)|)) (.cse12 (= 1 ~a11~0)) (.cse13 (= 1 ~a19~0)) (.cse23 (= |old(~a17~0)| ~a17~0)) (.cse24 (= |old(~a25~0)| ~a25~0)) (.cse25 (= ~a28~0 |old(~a28~0)|))) (let ((.cse3 (and .cse23 .cse24 .cse25)) (.cse7 (and .cse23 .cse25 (= ~a25~0 1))) (.cse4 (< 7 |old(~a17~0)|)) (.cse10 (not (= 7 |old(~a28~0)|))) (.cse21 (and .cse12 .cse13)) (.cse5 (not .cse15)) (.cse6 (= 9 |old(~a28~0)|)) (.cse14 (not .cse1)) (.cse8 (not (= |old(~a17~0)| 8))) (.cse22 (not (= ~a11~0 1))) (.cse0 (not (= 1 ~a21~0))) (.cse17 (not .cse9)) (.cse18 (= 0 |old(~a28~0)|)) (.cse2 (= 8 |old(~a28~0)|)) (.cse19 (not (= 0 |old(~a11~0)|))) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse20 (= |calculate_output_#in~input| 0)) (.cse16 (and (= ~a11~0 0) (= ~a19~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse10 .cse11 (and .cse12 (not .cse13)) .cse14 .cse15) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse8 .cse15) (or .cse16 .cse0 .cse5 .cse17 .cse18 .cse19 .cse11 .cse20) (or .cse0 .cse5 .cse2 .cse7 .cse4) (or .cse21 .cse0 (not (= 10 |old(~a28~0)|)) .cse5 .cse17 .cse11 .cse14) (or .cse0 .cse1 .cse2 .cse22 .cse4) (or .cse0 .cse10 .cse5 .cse17 .cse14 .cse21 (not (= 7 |old(~a17~0)|))) (or .cse0 .cse5 .cse17 .cse11 (and .cse12 (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) .cse13) (not .cse6) .cse14) (or .cse0 .cse1 .cse8 (and .cse23 .cse24 .cse25 .cse22)) (or .cse0 .cse17 .cse18 .cse2 .cse19 .cse11 .cse20 .cse16)))) [2018-11-18 09:53:34,729 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,729 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,729 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,729 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 09:53:34,729 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 09:53:34,729 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,730 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,731 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 09:53:34,732 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L421 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)) [2018-11-18 09:53:34,733 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:53:34,733 INFO L421 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)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 09:53:34,733 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 09:53:34,734 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse5 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1) (and (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5) (not (= 1 |old(~a19~0)|)) (and (not .cse4) .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse5))) [2018-11-18 09:53:34,734 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 09:53:34,734 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 09:53:34,734 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse5 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1) (and (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5) (not (= 1 |old(~a19~0)|)) (and (not .cse4) .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse5))) [2018-11-18 09:53:34,734 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 09:53:34,734 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 09:53:34,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:53:34 BoogieIcfgContainer [2018-11-18 09:53:34,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:53:34,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:53:34,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:53:34,744 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:53:34,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:21" (3/4) ... [2018-11-18 09:53:34,747 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:53:34,755 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:53:34,755 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 09:53:34,756 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:53:34,765 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 09:53:34,765 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:53:34,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (\old(a17) == a17 && !(a11 == 1))) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || ((a17 <= 7 && !(a28 == 8)) && a25 == 1)) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || ((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a11 == 1))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) [2018-11-18 09:53:34,853 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94042a99-83c0-4d88-aa55-37689ce17627/bin-2019/utaipan/witness.graphml [2018-11-18 09:53:34,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:53:34,853 INFO L168 Benchmark]: Toolchain (without parser) took 15050.46 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 647.5 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -57.1 MB). Peak memory consumption was 590.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:34,854 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:53:34,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.18 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:34,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:34,854 INFO L168 Benchmark]: Boogie Preprocessor took 48.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:34,855 INFO L168 Benchmark]: RCFGBuilder took 815.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:34,855 INFO L168 Benchmark]: TraceAbstraction took 13657.34 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 515.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -29.3 MB). Peak memory consumption was 486.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:34,855 INFO L168 Benchmark]: Witness Printer took 108.74 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:34,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.18 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 815.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13657.34 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 515.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -29.3 MB). Peak memory consumption was 486.6 MB. Max. memory is 11.5 GB. * Witness Printer took 108.74 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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 && !(a11 == 1))) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || ((a17 <= 7 && !(a28 == 8)) && a25 == 1)) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || ((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a11 == 1))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 8.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1383 SDtfs, 7652 SDslu, 1337 SDs, 0 SdLazy, 9216 SolverSat, 1903 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1117 GetRequests, 1027 SyntacticMatches, 8 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3412occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9975777692397675 AbsIntWeakeningRatio, 0.1746031746031746 AbsIntAvgWeakeningVarsNumRemoved, 26.33862433862434 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 157 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 102 PreInvPairs, 174 NumberOfFragments, 654 HoareAnnotationTreeSize, 102 FomulaSimplifications, 2530 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2758 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2000 NumberOfCodeBlocks, 2000 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2392 ConstructedInterpolants, 0 QuantifiedInterpolants, 1917727 SizeOfPredicates, 1 NumberOfNonLiveVariables, 968 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 791/827 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...