./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/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 9b698dcf3c9df7b9ad57a5812bd690b0917b122e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:50:54,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:50:54,072 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:50:54,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:50:54,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:50:54,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:50:54,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:50:54,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:50:54,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:50:54,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:50:54,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:50:54,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:50:54,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:50:54,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:50:54,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:50:54,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:50:54,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:50:54,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:50:54,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:50:54,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:50:54,090 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:50:54,090 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:50:54,091 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:50:54,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:50:54,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:50:54,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:50:54,092 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:50:54,092 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:50:54,093 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:50:54,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:50:54,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:50:54,094 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:50:54,094 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:50:54,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:50:54,094 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:50:54,095 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:50:54,095 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 15:50:54,102 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:50:54,102 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:50:54,103 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 15:50:54,103 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 15:50:54,103 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 15:50:54,103 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 15:50:54,103 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 15:50:54,104 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 15:50:54,104 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 15:50:54,104 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 15:50:54,104 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 15:50:54,104 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 15:50:54,104 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 15:50:54,105 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:50:54,105 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:50:54,105 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:50:54,105 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:50:54,106 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:50:54,106 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 15:50:54,106 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:50:54,106 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 15:50:54,106 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:50:54,106 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 15:50:54,106 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 15:50:54,107 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:50:54,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 15:50:54,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:50:54,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 15:50:54,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:50:54,107 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:50:54,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:50:54,108 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 15:50:54,108 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 15:50:54,108 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:50:54,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 15:50:54,108 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 15:50:54,108 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_ceb555ad-fd47-4e8f-b3c6-272a161ce808/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 -> 9b698dcf3c9df7b9ad57a5812bd690b0917b122e [2018-12-08 15:50:54,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:50:54,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:50:54,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:50:54,141 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:50:54,142 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:50:54,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-12-08 15:50:54,179 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/data/bb4b5a393/2928ceaaacce49f6b82d0af555d2b303/FLAGcb5eb5830 [2018-12-08 15:50:54,665 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:50:54,665 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-12-08 15:50:54,671 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/data/bb4b5a393/2928ceaaacce49f6b82d0af555d2b303/FLAGcb5eb5830 [2018-12-08 15:50:55,163 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/data/bb4b5a393/2928ceaaacce49f6b82d0af555d2b303 [2018-12-08 15:50:55,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:50:55,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:50:55,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:50:55,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:50:55,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:50:55,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55, skipping insertion in model container [2018-12-08 15:50:55,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:50:55,202 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:50:55,375 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:50:55,378 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:50:55,461 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:50:55,471 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:50:55,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55 WrapperNode [2018-12-08 15:50:55,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:50:55,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:50:55,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:50:55,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:50:55,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:50:55,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:50:55,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:50:55,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:50:55,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... [2018-12-08 15:50:55,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:50:55,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:50:55,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:50:55,531 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:50:55,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 15:50:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 15:50:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 15:50:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 15:50:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 15:50:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:50:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:50:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 15:50:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 15:50:56,118 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:50:56,118 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 15:50:56,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:50:56 BoogieIcfgContainer [2018-12-08 15:50:56,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:50:56,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 15:50:56,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 15:50:56,121 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 15:50:56,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:50:55" (1/3) ... [2018-12-08 15:50:56,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27deedb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:50:56, skipping insertion in model container [2018-12-08 15:50:56,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:50:55" (2/3) ... [2018-12-08 15:50:56,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27deedb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:50:56, skipping insertion in model container [2018-12-08 15:50:56,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:50:56" (3/3) ... [2018-12-08 15:50:56,123 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label29_true-unreach-call_false-termination.c [2018-12-08 15:50:56,129 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 15:50:56,134 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 15:50:56,144 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 15:50:56,163 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 15:50:56,164 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 15:50:56,164 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 15:50:56,164 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 15:50:56,164 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 15:50:56,164 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 15:50:56,164 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 15:50:56,164 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 15:50:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-08 15:50:56,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 15:50:56,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:50:56,184 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:50:56,186 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:50:56,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:50:56,189 INFO L82 PathProgramCache]: Analyzing trace with hash 370140070, now seen corresponding path program 1 times [2018-12-08 15:50:56,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:50:56,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:50:56,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:50:56,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:50:56,220 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:50:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:50:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:50:56,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:50:56,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:50:56,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:50:56,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:50:56,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:50:56,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:50:56,425 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-08 15:50:56,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:50:56,854 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-12-08 15:50:56,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:50:56,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-12-08 15:50:56,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:50:56,864 INFO L225 Difference]: With dead ends: 624 [2018-12-08 15:50:56,864 INFO L226 Difference]: Without dead ends: 326 [2018-12-08 15:50:56,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:50:56,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-12-08 15:50:56,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-12-08 15:50:56,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-08 15:50:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-12-08 15:50:56,902 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 108 [2018-12-08 15:50:56,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:50:56,902 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-12-08 15:50:56,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:50:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-12-08 15:50:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 15:50:56,905 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:50:56,905 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:50:56,905 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:50:56,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:50:56,906 INFO L82 PathProgramCache]: Analyzing trace with hash 330075201, now seen corresponding path program 1 times [2018-12-08 15:50:56,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:50:56,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:50:56,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:50:56,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:50:56,907 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:50:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:50:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:50:56,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:50:56,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:50:56,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:50:56,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:50:56,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:50:56,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:50:56,999 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 3 states. [2018-12-08 15:50:57,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:50:57,296 INFO L93 Difference]: Finished difference Result 927 states and 1371 transitions. [2018-12-08 15:50:57,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:50:57,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-12-08 15:50:57,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:50:57,299 INFO L225 Difference]: With dead ends: 927 [2018-12-08 15:50:57,299 INFO L226 Difference]: Without dead ends: 612 [2018-12-08 15:50:57,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:50:57,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-12-08 15:50:57,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-12-08 15:50:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-12-08 15:50:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 797 transitions. [2018-12-08 15:50:57,318 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 797 transitions. Word has length 116 [2018-12-08 15:50:57,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:50:57,318 INFO L480 AbstractCegarLoop]: Abstraction has 612 states and 797 transitions. [2018-12-08 15:50:57,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:50:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 797 transitions. [2018-12-08 15:50:57,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 15:50:57,320 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:50:57,321 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:50:57,321 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:50:57,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:50:57,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1438415473, now seen corresponding path program 1 times [2018-12-08 15:50:57,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:50:57,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:50:57,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:50:57,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:50:57,322 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:50:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:50:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:50:57,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 15:50:57,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 15:50:57,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:50:57,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 15:50:57,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 15:50:57,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:50:57,369 INFO L87 Difference]: Start difference. First operand 612 states and 797 transitions. Second operand 3 states. [2018-12-08 15:50:57,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:50:57,638 INFO L93 Difference]: Finished difference Result 1794 states and 2385 transitions. [2018-12-08 15:50:57,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 15:50:57,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-12-08 15:50:57,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:50:57,644 INFO L225 Difference]: With dead ends: 1794 [2018-12-08 15:50:57,644 INFO L226 Difference]: Without dead ends: 1188 [2018-12-08 15:50:57,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 15:50:57,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2018-12-08 15:50:57,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1044. [2018-12-08 15:50:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2018-12-08 15:50:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1361 transitions. [2018-12-08 15:50:57,675 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1361 transitions. Word has length 121 [2018-12-08 15:50:57,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:50:57,676 INFO L480 AbstractCegarLoop]: Abstraction has 1044 states and 1361 transitions. [2018-12-08 15:50:57,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 15:50:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1361 transitions. [2018-12-08 15:50:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 15:50:57,679 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:50:57,680 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 15:50:57,680 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:50:57,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:50:57,680 INFO L82 PathProgramCache]: Analyzing trace with hash 535579249, now seen corresponding path program 1 times [2018-12-08 15:50:57,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:50:57,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:50:57,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:50:57,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:50:57,681 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:50:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:50:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 15:50:57,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:50:57,759 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:50:57,759 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-08 15:50:57,760 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [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], [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], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 15:50:57,785 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:50:57,785 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:50:58,005 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 15:50:58,006 INFO L272 AbstractInterpreter]: Visited 109 different actions 109 times. Never merged. Never widened. Performed 1224 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-08 15:50:58,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:50:58,019 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 15:50:58,219 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 80.75% of their original sizes. [2018-12-08 15:50:58,220 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 15:50:58,242 INFO L418 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-12-08 15:50:58,242 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 15:50:58,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 15:50:58,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-08 15:50:58,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:50:58,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 15:50:58,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 15:50:58,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 15:50:58,244 INFO L87 Difference]: Start difference. First operand 1044 states and 1361 transitions. Second operand 6 states. [2018-12-08 15:51:00,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:51:00,187 INFO L93 Difference]: Finished difference Result 2230 states and 2919 transitions. [2018-12-08 15:51:00,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 15:51:00,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-12-08 15:51:00,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:51:00,190 INFO L225 Difference]: With dead ends: 2230 [2018-12-08 15:51:00,190 INFO L226 Difference]: Without dead ends: 1192 [2018-12-08 15:51:00,191 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 15:51:00,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-12-08 15:51:00,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1190. [2018-12-08 15:51:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-08 15:51:00,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1520 transitions. [2018-12-08 15:51:00,212 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1520 transitions. Word has length 152 [2018-12-08 15:51:00,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:51:00,212 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1520 transitions. [2018-12-08 15:51:00,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 15:51:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1520 transitions. [2018-12-08 15:51:00,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 15:51:00,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:51:00,214 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:51:00,214 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:51:00,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:51:00,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1927606987, now seen corresponding path program 1 times [2018-12-08 15:51:00,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:51:00,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:51:00,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:51:00,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:51:00,216 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:51:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:51:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:51:00,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:51:00,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:51:00,318 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-08 15:51:00,318 INFO L205 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], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 15:51:00,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:51:00,321 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:51:00,555 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 15:51:00,556 INFO L272 AbstractInterpreter]: Visited 112 different actions 328 times. Merged at 6 different actions 12 times. Never widened. Performed 3844 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3844 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 15:51:00,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:51:00,558 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 15:51:00,703 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 84.23% of their original sizes. [2018-12-08 15:51:00,703 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 15:51:00,749 INFO L418 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-12-08 15:51:00,749 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 15:51:00,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 15:51:00,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-08 15:51:00,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:51:00,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 15:51:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 15:51:00,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:51:00,750 INFO L87 Difference]: Start difference. First operand 1190 states and 1520 transitions. Second operand 10 states. [2018-12-08 15:51:03,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:51:03,146 INFO L93 Difference]: Finished difference Result 3272 states and 4401 transitions. [2018-12-08 15:51:03,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 15:51:03,146 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2018-12-08 15:51:03,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:51:03,150 INFO L225 Difference]: With dead ends: 3272 [2018-12-08 15:51:03,150 INFO L226 Difference]: Without dead ends: 2088 [2018-12-08 15:51:03,152 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-08 15:51:03,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2018-12-08 15:51:03,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2075. [2018-12-08 15:51:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2075 states. [2018-12-08 15:51:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2704 transitions. [2018-12-08 15:51:03,179 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2704 transitions. Word has length 157 [2018-12-08 15:51:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:51:03,180 INFO L480 AbstractCegarLoop]: Abstraction has 2075 states and 2704 transitions. [2018-12-08 15:51:03,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 15:51:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2704 transitions. [2018-12-08 15:51:03,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 15:51:03,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:51:03,183 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 15:51:03,183 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:51:03,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:51:03,183 INFO L82 PathProgramCache]: Analyzing trace with hash -103883909, now seen corresponding path program 1 times [2018-12-08 15:51:03,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:51:03,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:51:03,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:51:03,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:51:03,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:51:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:51:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 65 proven. 25 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 15:51:03,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:51:03,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:51:03,257 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-12-08 15:51:03,258 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 15:51:03,261 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:51:03,261 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:51:03,444 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 15:51:03,444 INFO L272 AbstractInterpreter]: Visited 114 different actions 452 times. Merged at 7 different actions 26 times. Never widened. Performed 5309 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5309 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 15:51:03,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:51:03,450 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 15:51:03,617 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 86.64% of their original sizes. [2018-12-08 15:51:03,617 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 15:51:03,642 INFO L418 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-12-08 15:51:03,642 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 15:51:03,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 15:51:03,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-08 15:51:03,643 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 15:51:03,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 15:51:03,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 15:51:03,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 15:51:03,643 INFO L87 Difference]: Start difference. First operand 2075 states and 2704 transitions. Second operand 9 states. [2018-12-08 15:51:05,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:51:05,440 INFO L93 Difference]: Finished difference Result 5239 states and 6926 transitions. [2018-12-08 15:51:05,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 15:51:05,440 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-12-08 15:51:05,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:51:05,445 INFO L225 Difference]: With dead ends: 5239 [2018-12-08 15:51:05,445 INFO L226 Difference]: Without dead ends: 2714 [2018-12-08 15:51:05,448 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-08 15:51:05,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2018-12-08 15:51:05,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 2671. [2018-12-08 15:51:05,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2671 states. [2018-12-08 15:51:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 3385 transitions. [2018-12-08 15:51:05,481 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 3385 transitions. Word has length 176 [2018-12-08 15:51:05,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:51:05,481 INFO L480 AbstractCegarLoop]: Abstraction has 2671 states and 3385 transitions. [2018-12-08 15:51:05,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 15:51:05,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3385 transitions. [2018-12-08 15:51:05,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-08 15:51:05,485 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:51:05,485 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 15:51:05,485 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:51:05,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:51:05,485 INFO L82 PathProgramCache]: Analyzing trace with hash -410277584, now seen corresponding path program 1 times [2018-12-08 15:51:05,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:51:05,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:51:05,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:51:05,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:51:05,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:51:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:51:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 15:51:05,559 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:51:05,559 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:51:05,559 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-12-08 15:51:05,559 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [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], [275], [278], [282], [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], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 15:51:05,561 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:51:05,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:51:05,747 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:51:05,747 INFO L272 AbstractInterpreter]: Visited 116 different actions 455 times. Merged at 7 different actions 28 times. Widened at 1 different actions 1 times. Performed 5538 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5538 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 15:51:05,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:51:05,749 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:51:05,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:51:05,750 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 15:51:05,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:51:05,758 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:51:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:51:05,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:51:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 15:51:05,911 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:51:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 15:51:06,002 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:51:06,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 15:51:06,002 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:51:06,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 15:51:06,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 15:51:06,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 15:51:06,003 INFO L87 Difference]: Start difference. First operand 2671 states and 3385 transitions. Second operand 9 states. [2018-12-08 15:51:06,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:51:06,542 INFO L93 Difference]: Finished difference Result 6459 states and 8300 transitions. [2018-12-08 15:51:06,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 15:51:06,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-12-08 15:51:06,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:51:06,549 INFO L225 Difference]: With dead ends: 6459 [2018-12-08 15:51:06,550 INFO L226 Difference]: Without dead ends: 3794 [2018-12-08 15:51:06,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 437 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-08 15:51:06,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3794 states. [2018-12-08 15:51:06,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3794 to 3612. [2018-12-08 15:51:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3612 states. [2018-12-08 15:51:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 3612 states and 4562 transitions. [2018-12-08 15:51:06,596 INFO L78 Accepts]: Start accepts. Automaton has 3612 states and 4562 transitions. Word has length 219 [2018-12-08 15:51:06,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:51:06,597 INFO L480 AbstractCegarLoop]: Abstraction has 3612 states and 4562 transitions. [2018-12-08 15:51:06,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 15:51:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3612 states and 4562 transitions. [2018-12-08 15:51:06,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-08 15:51:06,602 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 15:51:06,602 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-12-08 15:51:06,602 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 15:51:06,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:51:06,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1499710173, now seen corresponding path program 1 times [2018-12-08 15:51:06,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 15:51:06,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:51:06,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:51:06,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 15:51:06,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 15:51:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:51:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 116 proven. 34 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 15:51:06,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:51:06,678 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 15:51:06,678 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-12-08 15:51:06,678 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [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], [275], [278], [282], [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], [543], [545], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 15:51:06,679 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 15:51:06,680 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 15:51:06,819 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 15:51:06,819 INFO L272 AbstractInterpreter]: Visited 117 different actions 347 times. Merged at 8 different actions 22 times. Never widened. Performed 4166 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4166 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 15:51:06,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:51:06,820 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 15:51:06,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 15:51:06,820 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/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 [2018-12-08 15:51:06,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 15:51:06,828 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 15:51:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:51:06,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 15:51:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 15:51:06,935 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 15:51:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 127 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-08 15:51:07,004 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 15:51:07,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-12-08 15:51:07,004 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 15:51:07,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 15:51:07,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 15:51:07,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 15:51:07,005 INFO L87 Difference]: Start difference. First operand 3612 states and 4562 transitions. Second operand 11 states. [2018-12-08 15:51:08,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 15:51:08,412 INFO L93 Difference]: Finished difference Result 6119 states and 7609 transitions. [2018-12-08 15:51:08,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 15:51:08,413 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 220 [2018-12-08 15:51:08,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 15:51:08,413 INFO L225 Difference]: With dead ends: 6119 [2018-12-08 15:51:08,413 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 15:51:08,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 448 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-12-08 15:51:08,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 15:51:08,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 15:51:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 15:51:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 15:51:08,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2018-12-08 15:51:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 15:51:08,419 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 15:51:08,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 15:51:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 15:51:08,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 15:51:08,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 15:51:08,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 15:51:08,958 WARN L180 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2018-12-08 15:51:09,097 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 41 [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0)) [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-08 15:51:09,177 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 478) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-08 15:51:09,178 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,179 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-08 15:51:09,180 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,181 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-08 15:51:09,182 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,183 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a25~0)|)) (.cse5 (not (= 1 ~a21~0))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse7 (= 0 |old(~a28~0)|)) (.cse0 (= ~a25~0 1))) (let ((.cse16 (< 0 |old(~a19~0)|)) (.cse13 (= |old(~a19~0)| ~a19~0)) (.cse19 (= 1 ~a11~0)) (.cse11 (< 10 |old(~a28~0)|)) (.cse17 (not .cse0)) (.cse8 (not (= 1 |old(~a11~0)|))) (.cse18 (< 7 |old(~a17~0)|)) (.cse1 (and (or .cse5 (not (= 10 |old(~a28~0)|)) (not .cse10) (not (= 0 |old(~a19~0)|))) (or .cse5 .cse6 .cse7))) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse12 (= |old(~a28~0)| ~a28~0)) (.cse14 (= ~a11~0 0)) (.cse9 (= 1 ~a19~0)) (.cse15 (= ~a17~0 8))) (and (or (or .cse0 (= ~a19~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4 .cse8 .cse9 .cse10) (or .cse11 .cse5 .cse7 (and .cse12 .cse13 .cse14 .cse15) .cse2 .cse3 .cse16 .cse4) (or .cse17 .cse1 .cse2 .cse3 .cse4 .cse10) (or .cse11 .cse5 .cse7 .cse2 .cse3 .cse16 .cse4 .cse17 .cse10) (or (or .cse11 .cse8 .cse10) .cse16 .cse17 .cse18) (or .cse5 .cse8 (and (not (= ~a28~0 0)) .cse19 .cse15) .cse7 .cse3 .cse4) (or .cse5 (not (= 7 |old(~a28~0)|)) .cse6 .cse2 (= ~a25~0 0) .cse3 .cse4 (not (= 0 |old(~a25~0)|))) (or .cse5 .cse17 .cse7 .cse3 .cse4 .cse8 .cse10) (or (and (<= ~a17~0 |old(~a17~0)|) .cse12 .cse13 .cse19) .cse11 .cse8 .cse18) (or .cse11 .cse17 .cse6 .cse8 .cse18 .cse10) (or .cse6 .cse1 .cse2 .cse3 .cse4 (and .cse12 .cse14 .cse9 .cse15))))) [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,184 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-08 15:51:09,185 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-08 15:51:09,186 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-12-08 15:51:09,186 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= 1 ~a11~0)) (.cse2 (<= ~a28~0 10)) (.cse0 (= ~a11~0 0)) (.cse1 (not (= ~a28~0 0))) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= ~a19~0 0) .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse3) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 7) .cse4 .cse2) (and .cse0 .cse1 .cse3 (= ~a19~0 1)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-08 15:51:09,186 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-08 15:51:09,187 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= 1 ~a11~0)) (.cse5 (= ~a11~0 0)) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse4 (<= ~a28~0 10)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 7) .cse2 .cse4) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse5 .cse0 .cse1 (= 1 ~a19~0) .cse3) (and .cse5 .cse0 (<= ~a19~0 0) .cse1 .cse4 .cse3))) [2018-12-08 15:51:09,187 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-08 15:51:09,187 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-08 15:51:09,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:51:09 BoogieIcfgContainer [2018-12-08 15:51:09,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 15:51:09,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:51:09,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:51:09,194 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:51:09,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:50:56" (3/4) ... [2018-12-08 15:51:09,197 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 15:51:09,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 15:51:09,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 15:51:09,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 15:51:09,210 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 15:51:09,210 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 15:51:09,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-08 15:51:09,282 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ceb555ad-fd47-4e8f-b3c6-272a161ce808/bin-2019/utaipan/witness.graphml [2018-12-08 15:51:09,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:51:09,282 INFO L168 Benchmark]: Toolchain (without parser) took 14116.98 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 777.0 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 634.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:51:09,283 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:51:09,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:51:09,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:51:09,284 INFO L168 Benchmark]: Boogie Preprocessor took 39.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 15:51:09,284 INFO L168 Benchmark]: RCFGBuilder took 587.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2018-12-08 15:51:09,284 INFO L168 Benchmark]: TraceAbstraction took 13074.64 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 658.0 MB). Free memory was 995.3 MB in the beginning and 1.1 GB in the end (delta: -107.1 MB). Peak memory consumption was 550.9 MB. Max. memory is 11.5 GB. [2018-12-08 15:51:09,284 INFO L168 Benchmark]: Witness Printer took 88.02 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-12-08 15:51:09,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 587.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13074.64 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 658.0 MB). Free memory was 995.3 MB in the beginning and 1.1 GB in the end (delta: -107.1 MB). Peak memory consumption was 550.9 MB. Max. memory is 11.5 GB. * Witness Printer took 88.02 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 478]: 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))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || ((a17 <= 7 && 1 == a11) && a28 <= 10)) || (((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 9.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 784 SDtfs, 5795 SDslu, 680 SDs, 0 SdLazy, 7334 SolverSat, 1421 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1444 GetRequests, 1356 SyntacticMatches, 7 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3612occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9965786958849714 AbsIntWeakeningRatio, 0.23236514522821577 AbsIntAvgWeakeningVarsNumRemoved, 24.740663900414937 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 389 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 147 NumberOfFragments, 660 HoareAnnotationTreeSize, 104 FomulaSimplifications, 2770 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2169 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1708 NumberOfCodeBlocks, 1708 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2135 ConstructedInterpolants, 0 QuantifiedInterpolants, 694026 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1096 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1056/1226 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...