./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_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_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/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 5360c3d4aebe9582cd01259f723ea710f280bf1f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:03:06,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:03:06,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:03:06,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:03:06,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:03:06,014 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:03:06,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:03:06,015 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:03:06,016 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:03:06,017 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:03:06,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:03:06,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:03:06,018 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:03:06,018 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:03:06,019 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:03:06,019 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:03:06,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:03:06,020 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:03:06,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:03:06,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:03:06,022 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:03:06,023 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:03:06,024 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:03:06,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:03:06,024 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:03:06,025 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:03:06,025 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:03:06,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:03:06,026 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:03:06,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:03:06,026 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:03:06,027 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:03:06,027 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:03:06,027 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:03:06,027 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:03:06,028 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:03:06,028 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:03:06,035 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:03:06,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:03:06,036 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:03:06,036 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:03:06,036 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:03:06,036 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:03:06,036 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:03:06,036 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:03:06,036 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:03:06,036 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:03:06,036 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:03:06,037 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:03:06,037 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:03:06,037 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:03:06,037 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:03:06,037 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:03:06,037 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:03:06,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:03:06,038 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:03:06,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:03:06,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:03:06,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:03:06,039 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:03:06,039 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:03:06,039 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:03:06,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:03:06,039 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:03:06,039 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_59747c1c-e25b-4e00-82ab-61407c0c59fb/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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2018-12-09 00:03:06,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:03:06,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:03:06,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:03:06,066 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:03:06,066 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:03:06,067 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-12-09 00:03:06,103 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/data/3a3fc415e/86f0972c634f477cba93f9f30c21d954/FLAGfbba07919 [2018-12-09 00:03:06,577 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:03:06,577 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-12-09 00:03:06,584 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/data/3a3fc415e/86f0972c634f477cba93f9f30c21d954/FLAGfbba07919 [2018-12-09 00:03:06,593 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/data/3a3fc415e/86f0972c634f477cba93f9f30c21d954 [2018-12-09 00:03:06,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:03:06,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:03:06,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:06,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:03:06,599 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:03:06,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06, skipping insertion in model container [2018-12-09 00:03:06,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:03:06,633 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:03:06,821 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:06,824 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:03:06,925 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:03:06,938 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:03:06,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06 WrapperNode [2018-12-09 00:03:06,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:03:06,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:06,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:03:06,939 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:03:06,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:03:06,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:03:06,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:03:06,958 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:03:06,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... [2018-12-09 00:03:06,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:03:06,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:03:06,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:03:06,996 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:03:06,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/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 00:03:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:03:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:03:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 00:03:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 00:03:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:03:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:03:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:03:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:03:07,594 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:03:07,594 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 00:03:07,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:07 BoogieIcfgContainer [2018-12-09 00:03:07,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:03:07,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:03:07,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:03:07,598 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:03:07,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:03:06" (1/3) ... [2018-12-09 00:03:07,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:03:07, skipping insertion in model container [2018-12-09 00:03:07,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:03:06" (2/3) ... [2018-12-09 00:03:07,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:03:07, skipping insertion in model container [2018-12-09 00:03:07,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:07" (3/3) ... [2018-12-09 00:03:07,601 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label20_true-unreach-call_false-termination.c [2018-12-09 00:03:07,609 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:03:07,616 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:03:07,630 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:03:07,655 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:03:07,655 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:03:07,656 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:03:07,656 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:03:07,656 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:03:07,656 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:03:07,656 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:03:07,656 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:03:07,669 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 00:03:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 00:03:07,675 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:07,676 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:07,677 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:07,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:07,681 INFO L82 PathProgramCache]: Analyzing trace with hash 927745969, now seen corresponding path program 1 times [2018-12-09 00:03:07,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:07,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:07,712 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:07,924 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 00:03:07,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:07,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:03:07,927 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:07,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:03:07,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:03:07,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:03:07,945 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 00:03:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:08,379 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-09 00:03:08,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:03:08,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2018-12-09 00:03:08,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:08,389 INFO L225 Difference]: With dead ends: 615 [2018-12-09 00:03:08,389 INFO L226 Difference]: Without dead ends: 317 [2018-12-09 00:03:08,392 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 00:03:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-09 00:03:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-09 00:03:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-09 00:03:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-09 00:03:08,429 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 105 [2018-12-09 00:03:08,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:08,430 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-09 00:03:08,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:03:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-09 00:03:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 00:03:08,433 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:08,433 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:08,433 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:08,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:08,433 INFO L82 PathProgramCache]: Analyzing trace with hash -643989844, now seen corresponding path program 1 times [2018-12-09 00:03:08,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:08,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:08,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:08,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:08,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:08,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:03:08,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:03:08,514 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:08,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:03:08,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:03:08,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:03:08,516 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-09 00:03:08,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:08,958 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2018-12-09 00:03:08,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 00:03:08,959 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-12-09 00:03:08,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:08,964 INFO L225 Difference]: With dead ends: 962 [2018-12-09 00:03:08,964 INFO L226 Difference]: Without dead ends: 651 [2018-12-09 00:03:08,965 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 00:03:08,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-09 00:03:08,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2018-12-09 00:03:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-09 00:03:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-09 00:03:08,991 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 120 [2018-12-09 00:03:08,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:08,991 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-09 00:03:08,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:03:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-09 00:03:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 00:03:08,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:08,995 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:08,995 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:08,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:08,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1294788921, now seen corresponding path program 1 times [2018-12-09 00:03:08,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:08,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:08,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:08,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:08,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 00:03:09,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:09,085 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:09,086 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 129 with the following transitions: [2018-12-09 00:03:09,088 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:03:09,121 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:09,121 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:09,392 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:03:09,394 INFO L272 AbstractInterpreter]: Visited 106 different actions 106 times. Never merged. Never widened. Performed 1215 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 00:03:09,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:09,400 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:03:09,602 INFO L227 lantSequenceWeakener]: Weakened 119 states. On average, predicates are now at 80.72% of their original sizes. [2018-12-09 00:03:09,602 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:03:09,642 INFO L418 sIntCurrentIteration]: We unified 127 AI predicates to 127 [2018-12-09 00:03:09,643 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:03:09,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:03:09,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 00:03:09,643 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:09,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:03:09,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:03:09,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:03:09,644 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-09 00:03:11,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:11,413 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-09 00:03:11,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:03:11,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-12-09 00:03:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:11,417 INFO L225 Difference]: With dead ends: 1392 [2018-12-09 00:03:11,417 INFO L226 Difference]: Without dead ends: 773 [2018-12-09 00:03:11,434 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 128 GetRequests, 123 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 00:03:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-09 00:03:11,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-09 00:03:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 00:03:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-09 00:03:11,446 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 128 [2018-12-09 00:03:11,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:11,447 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-09 00:03:11,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:03:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-09 00:03:11,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 00:03:11,448 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:11,449 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:11,449 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:11,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:11,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1390947400, now seen corresponding path program 1 times [2018-12-09 00:03:11,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:11,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:11,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:11,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:11,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 00:03:11,540 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:11,540 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:11,540 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-12-09 00:03:11,541 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:03:11,544 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:11,544 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:11,769 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:03:11,769 INFO L272 AbstractInterpreter]: Visited 110 different actions 325 times. Merged at 6 different actions 15 times. Never widened. Performed 3794 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3794 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 00:03:11,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:11,771 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:03:11,906 INFO L227 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 84.31% of their original sizes. [2018-12-09 00:03:11,906 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:03:11,949 INFO L418 sIntCurrentIteration]: We unified 136 AI predicates to 136 [2018-12-09 00:03:11,949 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:03:11,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:03:11,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 00:03:11,950 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:11,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:03:11,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:03:11,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:03:11,950 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-09 00:03:14,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:14,343 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-09 00:03:14,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 00:03:14,343 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2018-12-09 00:03:14,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:14,346 INFO L225 Difference]: With dead ends: 1858 [2018-12-09 00:03:14,347 INFO L226 Difference]: Without dead ends: 1093 [2018-12-09 00:03:14,348 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-09 00:03:14,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-09 00:03:14,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-09 00:03:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-09 00:03:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-09 00:03:14,374 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 137 [2018-12-09 00:03:14,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:14,374 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-09 00:03:14,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:03:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-09 00:03:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 00:03:14,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:14,377 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:14,377 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:14,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:14,377 INFO L82 PathProgramCache]: Analyzing trace with hash 487274632, now seen corresponding path program 1 times [2018-12-09 00:03:14,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:14,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:14,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:14,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:14,378 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:14,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:14,419 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:14,419 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 00:03:14,420 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:03:14,422 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:14,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:14,503 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:03:14,503 INFO L272 AbstractInterpreter]: Visited 109 different actions 212 times. Merged at 4 different actions 4 times. Never widened. Performed 2407 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2407 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 00:03:14,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:14,504 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:03:14,591 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 80.73% of their original sizes. [2018-12-09 00:03:14,591 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:03:14,636 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-09 00:03:14,636 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:03:14,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:03:14,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 00:03:14,637 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:14,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:03:14,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:03:14,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:03:14,637 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-09 00:03:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:17,280 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-09 00:03:17,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 00:03:17,280 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-12-09 00:03:17,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:17,283 INFO L225 Difference]: With dead ends: 2440 [2018-12-09 00:03:17,284 INFO L226 Difference]: Without dead ends: 1371 [2018-12-09 00:03:17,286 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 00:03:17,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-09 00:03:17,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-09 00:03:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-09 00:03:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-09 00:03:17,314 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 136 [2018-12-09 00:03:17,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:17,314 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-09 00:03:17,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:03:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-09 00:03:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 00:03:17,317 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:17,317 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:17,318 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:17,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:17,318 INFO L82 PathProgramCache]: Analyzing trace with hash -43076848, now seen corresponding path program 1 times [2018-12-09 00:03:17,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:17,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:17,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:17,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:17,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:17,399 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 00:03:17,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:17,399 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:17,399 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-09 00:03:17,400 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:03:17,402 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:17,402 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:17,536 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:03:17,537 INFO L272 AbstractInterpreter]: Visited 110 different actions 323 times. Merged at 6 different actions 15 times. Never widened. Performed 3988 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3988 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 00:03:17,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:17,541 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:03:17,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:17,542 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/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 00:03:17,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:17,548 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:03:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:17,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:03:17,622 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:03:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:03:17,712 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:03:17,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-09 00:03:17,712 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:03:17,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:03:17,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:03:17,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:03:17,713 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-09 00:03:17,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:17,951 INFO L93 Difference]: Finished difference Result 3756 states and 5157 transitions. [2018-12-09 00:03:17,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:03:17,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-12-09 00:03:17,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:17,957 INFO L225 Difference]: With dead ends: 3756 [2018-12-09 00:03:17,958 INFO L226 Difference]: Without dead ends: 2394 [2018-12-09 00:03:17,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 282 SyntacticMatches, 2 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 00:03:17,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2394 states. [2018-12-09 00:03:17,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2394 to 2394. [2018-12-09 00:03:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2394 states. [2018-12-09 00:03:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3063 transitions. [2018-12-09 00:03:17,989 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3063 transitions. Word has length 140 [2018-12-09 00:03:17,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:17,990 INFO L480 AbstractCegarLoop]: Abstraction has 2394 states and 3063 transitions. [2018-12-09 00:03:17,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:03:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3063 transitions. [2018-12-09 00:03:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 00:03:17,994 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:17,994 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:17,994 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:17,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:17,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1053781276, now seen corresponding path program 1 times [2018-12-09 00:03:17,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:17,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:17,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:17,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:17,995 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:18,054 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:18,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:18,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:18,055 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-09 00:03:18,055 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [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], [507], [515], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:03:18,058 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:18,058 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:18,199 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:03:18,199 INFO L272 AbstractInterpreter]: Visited 110 different actions 321 times. Merged at 6 different actions 13 times. Never widened. Performed 3886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 00:03:18,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:18,200 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:03:18,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:18,201 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/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 00:03:18,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:18,206 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:03:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:18,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:18,252 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:03:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:03:18,295 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:03:18,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-09 00:03:18,296 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:03:18,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:03:18,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:03:18,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:03:18,296 INFO L87 Difference]: Start difference. First operand 2394 states and 3063 transitions. Second operand 6 states. [2018-12-09 00:03:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:18,920 INFO L93 Difference]: Finished difference Result 7820 states and 10456 transitions. [2018-12-09 00:03:18,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:03:18,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-09 00:03:18,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:18,929 INFO L225 Difference]: With dead ends: 7820 [2018-12-09 00:03:18,929 INFO L226 Difference]: Without dead ends: 5432 [2018-12-09 00:03:18,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:03:18,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2018-12-09 00:03:18,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 4847. [2018-12-09 00:03:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4847 states. [2018-12-09 00:03:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 6197 transitions. [2018-12-09 00:03:18,996 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 6197 transitions. Word has length 153 [2018-12-09 00:03:18,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:18,996 INFO L480 AbstractCegarLoop]: Abstraction has 4847 states and 6197 transitions. [2018-12-09 00:03:18,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:03:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 6197 transitions. [2018-12-09 00:03:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-09 00:03:19,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:03:19,002 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:03:19,002 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:03:19,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:19,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1661840599, now seen corresponding path program 1 times [2018-12-09 00:03:19,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:03:19,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:19,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:03:19,003 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:03:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 123 proven. 51 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 00:03:19,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:19,137 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:03:19,137 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-12-09 00:03:19,138 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], [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], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:03:19,139 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:03:19,140 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:03:19,301 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:03:19,301 INFO L272 AbstractInterpreter]: Visited 116 different actions 342 times. Merged at 8 different actions 24 times. Never widened. Performed 4131 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4131 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 00:03:19,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:03:19,303 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:03:19,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:03:19,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/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 00:03:19,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:03:19,343 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:03:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:03:19,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:03:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 00:03:19,426 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:03:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 137 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 00:03:19,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:03:19,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-09 00:03:19,497 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:03:19,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 00:03:19,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 00:03:19,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-12-09 00:03:19,498 INFO L87 Difference]: Start difference. First operand 4847 states and 6197 transitions. Second operand 15 states. [2018-12-09 00:03:20,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:03:20,873 INFO L93 Difference]: Finished difference Result 9296 states and 12235 transitions. [2018-12-09 00:03:20,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 00:03:20,873 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 218 [2018-12-09 00:03:20,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:03:20,873 INFO L225 Difference]: With dead ends: 9296 [2018-12-09 00:03:20,873 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:03:20,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 446 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=277, Invalid=715, Unknown=0, NotChecked=0, Total=992 [2018-12-09 00:03:20,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:03:20,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:03:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:03:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:03:20,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2018-12-09 00:03:20,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:03:20,881 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:03:20,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 00:03:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:03:20,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:03:20,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:03:20,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:20,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:20,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:20,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:20,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:03:21,135 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 00:03:21,225 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,226 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 00:03:21,227 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 00:03:21,228 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,229 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,230 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,231 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 00:03:21,232 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 7 ~a17~0)) (.cse5 (not (= 7 |old(~a17~0)|))) (.cse1 (= |old(~a28~0)| ~a28~0)) (.cse0 (= |old(~a19~0)| ~a19~0)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (< |old(~a28~0)| 10) .cse5) (or (and .cse1 .cse0 .cse2 .cse3 .cse4) (not (= 1 |old(~a25~0)|)) .cse5) (or (not (= |old(~a17~0)| 8)) (and .cse1 .cse0 .cse2 (= ~a17~0 |old(~a17~0)|) .cse4)))) [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 00:03:21,233 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 00:03:21,234 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 00:03:21,235 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:03:21,236 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 00:03:21,236 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:03:21,236 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:03:21,236 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-09 00:03:21,236 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= 1 ~a25~0)) (and (<= 10 ~a28~0) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 00:03:21,236 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:03:21,236 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:03:21,236 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= 1 ~a25~0)) (and (<= 10 ~a28~0) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 00:03:21,236 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 00:03:21,236 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 00:03:21,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:03:21 BoogieIcfgContainer [2018-12-09 00:03:21,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:03:21,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:03:21,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:03:21,244 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:03:21,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:03:07" (3/4) ... [2018-12-09 00:03:21,246 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:03:21,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:03:21,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 00:03:21,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:03:21,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:03:21,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 00:03:21,277 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || !(7 == \old(a28))) || (7 == a17 && 1 == a25)) || (10 <= a28 && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-09 00:03:21,332 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59747c1c-e25b-4e00-82ab-61407c0c59fb/bin-2019/utaipan/witness.graphml [2018-12-09 00:03:21,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:03:21,333 INFO L168 Benchmark]: Toolchain (without parser) took 14737.73 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 787.5 MB). Free memory was 947.0 MB in the beginning and 854.8 MB in the end (delta: 92.2 MB). Peak memory consumption was 879.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:21,334 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:03:21,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:21,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.15 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:21,334 INFO L168 Benchmark]: Boogie Preprocessor took 37.21 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:21,334 INFO L168 Benchmark]: RCFGBuilder took 598.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:21,335 INFO L168 Benchmark]: TraceAbstraction took 13648.38 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 636.0 MB). Free memory was 1.0 GB in the beginning and 872.3 MB in the end (delta: 152.9 MB). Peak memory consumption was 788.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:21,335 INFO L168 Benchmark]: Witness Printer took 88.51 ms. Allocated memory is still 1.8 GB. Free memory was 872.3 MB in the beginning and 854.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:03:21,337 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.15 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.21 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 598.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13648.38 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 636.0 MB). Free memory was 1.0 GB in the beginning and 872.3 MB in the end (delta: 152.9 MB). Peak memory consumption was 788.9 MB. Max. memory is 11.5 GB. * Witness Printer took 88.51 ms. Allocated memory is still 1.8 GB. Free memory was 872.3 MB in the beginning and 854.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((!(1 == a21) || !(7 == \old(a28))) || (7 == a17 && 1 == a25)) || (10 <= a28 && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 13.5s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 10.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 882 SDtfs, 5718 SDslu, 806 SDs, 0 SdLazy, 8016 SolverSat, 1631 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1516 GetRequests, 1418 SyntacticMatches, 9 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4847occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9963742859915199 AbsIntWeakeningRatio, 0.2638190954773869 AbsIntAvgWeakeningVarsNumRemoved, 26.2035175879397 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 634 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 111 PreInvPairs, 175 NumberOfFragments, 233 HoareAnnotationTreeSize, 111 FomulaSimplifications, 4686 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2648 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1648 NumberOfCodeBlocks, 1648 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2145 ConstructedInterpolants, 0 QuantifiedInterpolants, 685886 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1375 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 889/992 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...