./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_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_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:22:58,126 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:22:58,127 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:22:58,132 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:22:58,133 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:22:58,133 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:22:58,134 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:22:58,135 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:22:58,135 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:22:58,136 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:22:58,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:22:58,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:22:58,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:22:58,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:22:58,138 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:22:58,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:22:58,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:22:58,139 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:22:58,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:22:58,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:22:58,142 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:22:58,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:22:58,143 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:22:58,143 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:22:58,143 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:22:58,144 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:22:58,144 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:22:58,145 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:22:58,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:22:58,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:22:58,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:22:58,146 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:22:58,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:22:58,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:22:58,147 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:22:58,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:22:58,147 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:22:58,155 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:22:58,155 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:22:58,155 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:22:58,155 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:22:58,155 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:22:58,156 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:22:58,156 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:22:58,156 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:22:58,156 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:22:58,156 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:22:58,156 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:22:58,156 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:22:58,156 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:22:58,157 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:22:58,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:22:58,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:22:58,158 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:22:58,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:22:58,158 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:22:58,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:22:58,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:22:58,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:22:58,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:22:58,158 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:22:58,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:22:58,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:22:58,159 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:22:58,159 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_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2018-12-09 00:22:58,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:22:58,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:22:58,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:22:58,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:22:58,190 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:22:58,191 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-12-09 00:22:58,233 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/data/04d3114c3/d4d3004d35c2483ca9e56821f33b4888/FLAG41b03738a [2018-12-09 00:22:58,691 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:22:58,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-12-09 00:22:58,697 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/data/04d3114c3/d4d3004d35c2483ca9e56821f33b4888/FLAG41b03738a [2018-12-09 00:22:58,706 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/data/04d3114c3/d4d3004d35c2483ca9e56821f33b4888 [2018-12-09 00:22:58,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:22:58,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:22:58,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:22:58,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:22:58,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:22:58,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:22:58" (1/1) ... [2018-12-09 00:22:58,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:58, skipping insertion in model container [2018-12-09 00:22:58,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:22:58" (1/1) ... [2018-12-09 00:22:58,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:22:58,741 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:22:58,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:22:58,918 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:22:59,007 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:22:59,016 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:22:59,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59 WrapperNode [2018-12-09 00:22:59,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:22:59,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:22:59,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:22:59,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:22:59,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:22:59,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:22:59,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:22:59,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:22:59,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 00:22:59,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:22:59,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:22:59,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:22:59,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:22:59,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/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 [2018-12-09 00:22:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:22:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:22:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 00:22:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 00:22:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:22:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:22:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:22:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:22:59,630 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:22:59,630 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 00:22:59,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:59 BoogieIcfgContainer [2018-12-09 00:22:59,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:22:59,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:22:59,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:22:59,633 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:22:59,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:22:58" (1/3) ... [2018-12-09 00:22:59,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:22:59, skipping insertion in model container [2018-12-09 00:22:59,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (2/3) ... [2018-12-09 00:22:59,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:22:59, skipping insertion in model container [2018-12-09 00:22:59,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:59" (3/3) ... [2018-12-09 00:22:59,636 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label22_true-unreach-call_false-termination.c [2018-12-09 00:22:59,641 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:22:59,646 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:22:59,656 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:22:59,675 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:22:59,676 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:22:59,676 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:22:59,676 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:22:59,676 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:22:59,676 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:22:59,676 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:22:59,676 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:22:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 00:22:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 00:22:59,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:22:59,697 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] [2018-12-09 00:22:59,699 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:22:59,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:22:59,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1125290487, now seen corresponding path program 1 times [2018-12-09 00:22:59,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:22:59,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:22:59,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:22:59,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:22:59,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:22:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:22:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:22:59,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:22:59,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:22:59,955 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:22:59,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:22:59,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:22:59,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:22:59,969 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 00:23:00,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:00,426 INFO L93 Difference]: Finished difference Result 623 states and 1065 transitions. [2018-12-09 00:23:00,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:23:00,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-12-09 00:23:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:00,436 INFO L225 Difference]: With dead ends: 623 [2018-12-09 00:23:00,437 INFO L226 Difference]: Without dead ends: 325 [2018-12-09 00:23:00,440 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 [2018-12-09 00:23:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-12-09 00:23:00,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 321. [2018-12-09 00:23:00,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-09 00:23:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 473 transitions. [2018-12-09 00:23:00,483 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 473 transitions. Word has length 103 [2018-12-09 00:23:00,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:00,484 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 473 transitions. [2018-12-09 00:23:00,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:23:00,484 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 473 transitions. [2018-12-09 00:23:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 00:23:00,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:00,488 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:23:00,489 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:00,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:00,489 INFO L82 PathProgramCache]: Analyzing trace with hash 93763940, now seen corresponding path program 1 times [2018-12-09 00:23:00,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:00,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:00,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:00,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:00,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:00,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:00,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:23:00,600 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:00,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:23:00,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:23:00,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:23:00,602 INFO L87 Difference]: Start difference. First operand 321 states and 473 transitions. Second operand 6 states. [2018-12-09 00:23:01,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:01,029 INFO L93 Difference]: Finished difference Result 955 states and 1447 transitions. [2018-12-09 00:23:01,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:23:01,030 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-09 00:23:01,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:01,034 INFO L225 Difference]: With dead ends: 955 [2018-12-09 00:23:01,034 INFO L226 Difference]: Without dead ends: 640 [2018-12-09 00:23:01,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:23:01,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2018-12-09 00:23:01,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 623. [2018-12-09 00:23:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-12-09 00:23:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 903 transitions. [2018-12-09 00:23:01,063 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 903 transitions. Word has length 123 [2018-12-09 00:23:01,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:01,063 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 903 transitions. [2018-12-09 00:23:01,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:23:01,063 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 903 transitions. [2018-12-09 00:23:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 00:23:01,066 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:01,067 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:23:01,067 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:01,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:01,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1391612558, now seen corresponding path program 1 times [2018-12-09 00:23:01,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:01,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:01,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:01,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:01,069 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:01,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:23:01,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:23:01,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:01,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:23:01,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:23:01,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:23:01,125 INFO L87 Difference]: Start difference. First operand 623 states and 903 transitions. Second operand 3 states. [2018-12-09 00:23:01,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:01,380 INFO L93 Difference]: Finished difference Result 1679 states and 2464 transitions. [2018-12-09 00:23:01,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:23:01,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-12-09 00:23:01,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:01,386 INFO L225 Difference]: With dead ends: 1679 [2018-12-09 00:23:01,386 INFO L226 Difference]: Without dead ends: 1062 [2018-12-09 00:23:01,387 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 [2018-12-09 00:23:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2018-12-09 00:23:01,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 918. [2018-12-09 00:23:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2018-12-09 00:23:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1260 transitions. [2018-12-09 00:23:01,412 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1260 transitions. Word has length 124 [2018-12-09 00:23:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:01,413 INFO L480 AbstractCegarLoop]: Abstraction has 918 states and 1260 transitions. [2018-12-09 00:23:01,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:23:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1260 transitions. [2018-12-09 00:23:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 00:23:01,415 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:01,416 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:23:01,416 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:01,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:01,416 INFO L82 PathProgramCache]: Analyzing trace with hash -379164823, now seen corresponding path program 1 times [2018-12-09 00:23:01,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:01,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:01,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:01,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:01,417 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:01,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:01,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:23:01,484 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-12-09 00:23:01,485 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [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], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:23:01,517 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:23:01,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:23:01,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:23:01,786 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 1197 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 00:23:01,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:01,797 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:23:01,973 INFO L227 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 80.67% of their original sizes. [2018-12-09 00:23:01,973 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:23:01,990 INFO L418 sIntCurrentIteration]: We unified 130 AI predicates to 130 [2018-12-09 00:23:01,990 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:23:01,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:23:01,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 00:23:01,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:01,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:23:01,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:23:01,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:23:01,992 INFO L87 Difference]: Start difference. First operand 918 states and 1260 transitions. Second operand 6 states. [2018-12-09 00:23:04,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:04,015 INFO L93 Difference]: Finished difference Result 1978 states and 2728 transitions. [2018-12-09 00:23:04,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:23:04,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-12-09 00:23:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:04,018 INFO L225 Difference]: With dead ends: 1978 [2018-12-09 00:23:04,018 INFO L226 Difference]: Without dead ends: 1066 [2018-12-09 00:23:04,020 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:23:04,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2018-12-09 00:23:04,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1064. [2018-12-09 00:23:04,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2018-12-09 00:23:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1417 transitions. [2018-12-09 00:23:04,043 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1417 transitions. Word has length 131 [2018-12-09 00:23:04,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:04,043 INFO L480 AbstractCegarLoop]: Abstraction has 1064 states and 1417 transitions. [2018-12-09 00:23:04,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:23:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1417 transitions. [2018-12-09 00:23:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 00:23:04,046 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:04,046 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 00:23:04,046 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:04,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:04,046 INFO L82 PathProgramCache]: Analyzing trace with hash 793765979, now seen corresponding path program 1 times [2018-12-09 00:23:04,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:04,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:04,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:04,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:04,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:23:04,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:04,115 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:23:04,116 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 00:23:04,116 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [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], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:23:04,118 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:23:04,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:23:04,249 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:23:04,249 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 4 different actions 4 times. Never widened. Performed 2414 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2414 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 00:23:04,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:04,251 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:23:04,366 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 82.29% of their original sizes. [2018-12-09 00:23:04,366 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:23:04,426 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-09 00:23:04,426 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:23:04,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:23:04,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 00:23:04,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:04,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:23:04,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:23:04,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:23:04,428 INFO L87 Difference]: Start difference. First operand 1064 states and 1417 transitions. Second operand 10 states. [2018-12-09 00:23:07,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:07,296 INFO L93 Difference]: Finished difference Result 2723 states and 3767 transitions. [2018-12-09 00:23:07,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 00:23:07,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-12-09 00:23:07,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:07,300 INFO L225 Difference]: With dead ends: 2723 [2018-12-09 00:23:07,300 INFO L226 Difference]: Without dead ends: 1665 [2018-12-09 00:23:07,301 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 00:23:07,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2018-12-09 00:23:07,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1658. [2018-12-09 00:23:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-12-09 00:23:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2149 transitions. [2018-12-09 00:23:07,322 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2149 transitions. Word has length 136 [2018-12-09 00:23:07,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:07,322 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 2149 transitions. [2018-12-09 00:23:07,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:23:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2149 transitions. [2018-12-09 00:23:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 00:23:07,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:07,324 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-09 00:23:07,324 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:07,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:07,325 INFO L82 PathProgramCache]: Analyzing trace with hash -293226280, now seen corresponding path program 1 times [2018-12-09 00:23:07,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:07,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:07,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:07,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:07,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 00:23:07,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:07,388 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:23:07,389 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-09 00:23:07,389 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [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], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:23:07,391 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:23:07,391 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:23:07,537 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:23:07,537 INFO L272 AbstractInterpreter]: Visited 108 different actions 319 times. Merged at 6 different actions 15 times. Never widened. Performed 3726 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:23:07,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:07,541 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:23:07,666 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 84.27% of their original sizes. [2018-12-09 00:23:07,666 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:23:07,731 INFO L418 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-12-09 00:23:07,732 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:23:07,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:23:07,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 00:23:07,732 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:07,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:23:07,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:23:07,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:23:07,733 INFO L87 Difference]: Start difference. First operand 1658 states and 2149 transitions. Second operand 9 states. [2018-12-09 00:23:09,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:09,496 INFO L93 Difference]: Finished difference Result 3794 states and 5065 transitions. [2018-12-09 00:23:09,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 00:23:09,496 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2018-12-09 00:23:09,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:09,502 INFO L225 Difference]: With dead ends: 3794 [2018-12-09 00:23:09,502 INFO L226 Difference]: Without dead ends: 2142 [2018-12-09 00:23:09,503 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-09 00:23:09,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2018-12-09 00:23:09,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 2114. [2018-12-09 00:23:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-12-09 00:23:09,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2737 transitions. [2018-12-09 00:23:09,530 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2737 transitions. Word has length 140 [2018-12-09 00:23:09,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:09,530 INFO L480 AbstractCegarLoop]: Abstraction has 2114 states and 2737 transitions. [2018-12-09 00:23:09,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:23:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2737 transitions. [2018-12-09 00:23:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 00:23:09,533 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:09,533 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 00:23:09,533 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:09,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:09,533 INFO L82 PathProgramCache]: Analyzing trace with hash 381716831, now seen corresponding path program 1 times [2018-12-09 00:23:09,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:09,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:09,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:09,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:09,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 00:23:09,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:09,593 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:23:09,593 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-12-09 00:23:09,594 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [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], [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], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:23:09,596 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:23:09,596 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:23:09,739 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:23:09,739 INFO L272 AbstractInterpreter]: Visited 109 different actions 320 times. Merged at 6 different actions 15 times. Never widened. Performed 3785 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3785 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:23:09,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:09,741 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:23:09,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:09,741 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/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 [2018-12-09 00:23:09,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:09,748 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:23:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:09,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:23:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 00:23:09,855 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:23:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 00:23:09,933 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:23:09,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 00:23:09,933 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:23:09,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:23:09,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:23:09,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:23:09,934 INFO L87 Difference]: Start difference. First operand 2114 states and 2737 transitions. Second operand 9 states. [2018-12-09 00:23:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:10,461 INFO L93 Difference]: Finished difference Result 5017 states and 6674 transitions. [2018-12-09 00:23:10,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:23:10,461 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2018-12-09 00:23:10,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:10,468 INFO L225 Difference]: With dead ends: 5017 [2018-12-09 00:23:10,468 INFO L226 Difference]: Without dead ends: 2909 [2018-12-09 00:23:10,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 333 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-09 00:23:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2018-12-09 00:23:10,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2884. [2018-12-09 00:23:10,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2884 states. [2018-12-09 00:23:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 3723 transitions. [2018-12-09 00:23:10,507 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 3723 transitions. Word has length 167 [2018-12-09 00:23:10,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:10,508 INFO L480 AbstractCegarLoop]: Abstraction has 2884 states and 3723 transitions. [2018-12-09 00:23:10,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:23:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3723 transitions. [2018-12-09 00:23:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 00:23:10,511 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:10,511 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-12-09 00:23:10,511 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:10,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:10,511 INFO L82 PathProgramCache]: Analyzing trace with hash 22512364, now seen corresponding path program 1 times [2018-12-09 00:23:10,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:10,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:10,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:10,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:10,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 101 proven. 18 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 00:23:10,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:10,555 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:23:10,555 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-12-09 00:23:10,556 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [56], [59], [63], [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], [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], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:23:10,557 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:23:10,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:23:10,691 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:23:10,691 INFO L272 AbstractInterpreter]: Visited 113 different actions 331 times. Merged at 7 different actions 20 times. Never widened. Performed 4027 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4027 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:23:10,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:10,693 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:23:10,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:10,693 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/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 [2018-12-09 00:23:10,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:10,701 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:23:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:10,773 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:23:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 00:23:10,809 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:23:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 00:23:10,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:23:10,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-12-09 00:23:10,849 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:23:10,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:23:10,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:23:10,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:23:10,849 INFO L87 Difference]: Start difference. First operand 2884 states and 3723 transitions. Second operand 3 states. [2018-12-09 00:23:11,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:11,105 INFO L93 Difference]: Finished difference Result 6208 states and 8048 transitions. [2018-12-09 00:23:11,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:23:11,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2018-12-09 00:23:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:11,111 INFO L225 Difference]: With dead ends: 6208 [2018-12-09 00:23:11,111 INFO L226 Difference]: Without dead ends: 3330 [2018-12-09 00:23:11,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:23:11,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2018-12-09 00:23:11,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3033. [2018-12-09 00:23:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3033 states. [2018-12-09 00:23:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 3033 states and 3754 transitions. [2018-12-09 00:23:11,153 INFO L78 Accepts]: Start accepts. Automaton has 3033 states and 3754 transitions. Word has length 179 [2018-12-09 00:23:11,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:11,153 INFO L480 AbstractCegarLoop]: Abstraction has 3033 states and 3754 transitions. [2018-12-09 00:23:11,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:23:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3033 states and 3754 transitions. [2018-12-09 00:23:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 00:23:11,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:23:11,157 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-09 00:23:11,157 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:23:11,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:11,157 INFO L82 PathProgramCache]: Analyzing trace with hash -320543301, now seen corresponding path program 1 times [2018-12-09 00:23:11,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:23:11,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:11,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:11,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:23:11,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:23:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 101 proven. 51 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 00:23:11,279 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:11,279 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:23:11,279 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-12-09 00:23:11,279 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [107], [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], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:23:11,281 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:23:11,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:23:11,413 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:23:11,413 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 8 different actions 19 times. Never widened. Performed 3984 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3984 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:23:11,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:23:11,415 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:23:11,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:23:11,415 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:23:11,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:23:11,421 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:23:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:23:11,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:23:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 00:23:11,501 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:23:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 115 proven. 18 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 00:23:11,573 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:23:11,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-12-09 00:23:11,573 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:23:11,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 00:23:11,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 00:23:11,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-12-09 00:23:11,574 INFO L87 Difference]: Start difference. First operand 3033 states and 3754 transitions. Second operand 15 states. [2018-12-09 00:23:13,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:23:13,011 INFO L93 Difference]: Finished difference Result 6338 states and 7742 transitions. [2018-12-09 00:23:13,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 00:23:13,012 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 188 [2018-12-09 00:23:13,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:23:13,012 INFO L225 Difference]: With dead ends: 6338 [2018-12-09 00:23:13,012 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:23:13,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 386 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-12-09 00:23:13,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:23:13,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:23:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:23:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:23:13,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-12-09 00:23:13,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:23:13,020 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:23:13,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 00:23:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:23:13,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:23:13,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:23:13,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:23:13,638 WARN L180 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 75 [2018-12-09 00:23:13,800 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2018-12-09 00:23:13,950 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 00:23:13,952 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:23:13,953 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,954 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 00:23:13,955 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 00:23:13,956 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 00:23:13,957 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,958 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse6 (= 1 |old(~a19~0)|)) (.cse19 (= 1 |old(~a25~0)|)) (.cse14 (= |old(~a28~0)| ~a28~0)) (.cse0 (= 7 ~a17~0)) (.cse1 (= |old(~a25~0)| ~a25~0)) (.cse15 (not (= 1 ~a19~0))) (.cse2 (= 8 |old(~a28~0)|))) (let ((.cse3 (and (not (= 7 |old(~a28~0)|)) (not .cse2))) (.cse16 (not (= |old(~a17~0)| 8))) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= |old(~a17~0)| |old(~a28~0)|)) (.cse8 (and .cse14 .cse0 .cse1 .cse15)) (.cse17 (or .cse6 .cse19)) (.cse4 (not (= 7 |old(~a17~0)|))) (.cse5 (< 10 |old(~a28~0)|)) (.cse11 (= 0 |old(~a28~0)|)) (.cse9 (not (= 1 ~a21~0))) (.cse10 (not .cse6)) (.cse20 (not (= 0 |old(~a11~0)|))) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse21 (= ~a11~0 0))) (and (or (and .cse0 .cse1 (= ~a28~0 7)) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse9 .cse10 .cse11 .cse12 .cse13 (and .cse14 (= ~a17~0 8) .cse1 (= ~a19~0 1))) (or .cse15 .cse16 (or .cse17 .cse3)) (or (and .cse14 .cse18 .cse1) .cse16 .cse3) (or .cse5 .cse6 .cse2 .cse16 (and .cse14 .cse18 .cse1 .cse15)) (or .cse5 .cse2 (and .cse14 .cse0 .cse1) .cse19 .cse4) (or .cse5 .cse7 .cse8 .cse17 .cse4) (or (or .cse5 .cse9 .cse10 .cse11 .cse20 .cse12 .cse13) .cse21) (or (or .cse9 (not (= 11 |old(~a28~0)|)) (not .cse19)) .cse10 .cse20 .cse12 .cse13 .cse21)))) [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,959 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:23:13,960 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:23:13,961 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)) [2018-12-09 00:23:13,961 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:23:13,961 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:23:13,961 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-09 00:23:13,962 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (not (= ~a28~0 8))) (.cse4 (not (= ~a25~0 1))) (.cse0 (= 7 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (not (= 1 ~a19~0)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1)) (and .cse4 .cse0 .cse2 .cse1) (and (= ~a28~0 7) .cse0) (not (= 1 |old(~a19~0)|)) (and (= |old(~a17~0)| ~a17~0) .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse0 .cse1 .cse3) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 00:23:13,962 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:23:13,962 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:23:13,962 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a28~0 8))) (let ((.cse4 (or .cse7 (= ~a28~0 7))) (.cse2 (not .cse7)) (.cse5 (= |old(~a17~0)| ~a17~0)) (.cse6 (not (= ~a25~0 1))) (.cse0 (= 7 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (not (= 1 ~a19~0)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse1) (and .cse4 .cse0 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse5 .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse6 .cse0 .cse1 .cse3) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-12-09 00:23:13,962 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 00:23:13,962 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 00:23:13,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:23:13 BoogieIcfgContainer [2018-12-09 00:23:13,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:23:13,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:23:13,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:23:13,969 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:23:13,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:59" (3/4) ... [2018-12-09 00:23:13,972 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:23:13,975 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:23:13,975 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 00:23:13,975 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:23:13,982 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:23:13,982 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 00:23:14,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || (((7 == a17 && a28 <= 10) && !(a28 == 8)) && !(1 == a19))) || !(0 == \old(a11))) || ((!(a28 == 0) && a17 == 8) && a19 == 1)) || (((!(a25 == 1) && 7 == a17) && !(a28 == 8)) && a28 <= 10)) || (a28 == 7 && 7 == a17)) || !(1 == \old(a19))) || ((\old(a17) == a17 && a28 <= 10) && !(1 == a19))) || !(8 == \old(a17))) || (((!(a25 == 1) && 7 == a17) && a28 <= 10) && !(1 == a19))) || !(7 == \old(a28))) || !(0 == \old(a25)) [2018-12-09 00:23:14,046 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_56f4d94d-d0a6-4e60-9c75-2f6105eb37df/bin-2019/utaipan/witness.graphml [2018-12-09 00:23:14,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:23:14,047 INFO L168 Benchmark]: Toolchain (without parser) took 15338.63 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 774.9 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -272.2 MB). Peak memory consumption was 502.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:14,047 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:23:14,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:14,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:23:14,048 INFO L168 Benchmark]: Boogie Preprocessor took 38.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:14,048 INFO L168 Benchmark]: RCFGBuilder took 557.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1000.0 MB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:14,048 INFO L168 Benchmark]: TraceAbstraction took 14337.20 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 641.2 MB). Free memory was 1000.0 MB in the beginning and 1.2 GB in the end (delta: -241.4 MB). Peak memory consumption was 399.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:14,048 INFO L168 Benchmark]: Witness Printer took 77.50 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:23:14,049 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 557.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1000.0 MB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14337.20 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 641.2 MB). Free memory was 1000.0 MB in the beginning and 1.2 GB in the end (delta: -241.4 MB). Peak memory consumption was 399.8 MB. Max. memory is 11.5 GB. * Witness Printer took 77.50 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: 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 == a17 && a28 <= 10) && !(a28 == 8)) && !(1 == a19))) || !(0 == \old(a11))) || ((!(a28 == 0) && a17 == 8) && a19 == 1)) || (((!(a25 == 1) && 7 == a17) && !(a28 == 8)) && a28 <= 10)) || (a28 == 7 && 7 == a17)) || !(1 == \old(a19))) || ((\old(a17) == a17 && a28 <= 10) && !(1 == a19))) || !(8 == \old(a17))) || (((!(a25 == 1) && 7 == a17) && a28 <= 10) && !(1 == a19))) || !(7 == \old(a28))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 14.2s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 10.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 916 SDtfs, 4987 SDslu, 735 SDs, 0 SdLazy, 7699 SolverSat, 1526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1570 GetRequests, 1468 SyntacticMatches, 8 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3033occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9966164854806316 AbsIntWeakeningRatio, 0.26732673267326734 AbsIntAvgWeakeningVarsNumRemoved, 25.507425742574256 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 524 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 112 PreInvPairs, 156 NumberOfFragments, 584 HoareAnnotationTreeSize, 112 FomulaSimplifications, 2851 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2244 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1825 NumberOfCodeBlocks, 1825 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2344 ConstructedInterpolants, 0 QuantifiedInterpolants, 678780 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1525 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 1232/1381 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...