./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.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_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/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 c2ee6781c62be40fa372129eaacaba9832af3ce9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 03:17:13,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:17:13,072 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:17:13,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:17:13,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:17:13,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:17:13,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:17:13,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:17:13,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:17:13,086 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:17:13,087 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:17:13,087 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:17:13,088 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:17:13,088 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:17:13,089 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:17:13,090 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:17:13,090 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:17:13,092 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:17:13,093 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:17:13,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:17:13,095 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:17:13,096 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:17:13,098 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:17:13,098 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:17:13,098 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:17:13,099 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:17:13,100 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:17:13,100 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:17:13,101 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:17:13,102 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:17:13,102 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:17:13,102 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:17:13,102 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:17:13,103 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:17:13,103 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:17:13,104 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:17:13,104 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 03:17:13,113 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:17:13,113 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:17:13,114 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:17:13,114 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:17:13,114 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:17:13,114 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:17:13,115 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:17:13,115 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 03:17:13,115 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:17:13,115 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:17:13,115 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 03:17:13,115 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 03:17:13,115 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:17:13,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:17:13,116 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:17:13,116 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 03:17:13,116 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:17:13,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:17:13,117 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:17:13,117 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:17:13,117 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:17:13,117 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:17:13,117 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:17:13,117 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:17:13,118 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:17:13,118 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:17:13,118 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:17:13,118 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:17:13,118 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:17:13,118 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:17:13,118 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:17:13,119 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:17:13,119 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 03:17:13,119 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:17:13,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 03:17:13,119 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 03:17:13,119 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_a639ba39-404f-4587-9b9d-d65bf0e1d588/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 -> c2ee6781c62be40fa372129eaacaba9832af3ce9 [2018-12-03 03:17:13,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:17:13,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:17:13,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:17:13,153 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:17:13,153 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:17:13,154 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c [2018-12-03 03:17:13,196 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/data/e40f36490/006d6e16a58540da9fd5e851a3984a1d/FLAG0b94aa089 [2018-12-03 03:17:13,575 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:17:13,576 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/sv-benchmarks/c/eca-rers2012/Problem10_label49_true-unreach-call.c [2018-12-03 03:17:13,582 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/data/e40f36490/006d6e16a58540da9fd5e851a3984a1d/FLAG0b94aa089 [2018-12-03 03:17:13,926 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/data/e40f36490/006d6e16a58540da9fd5e851a3984a1d [2018-12-03 03:17:13,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:17:13,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:17:13,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:17:13,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:17:13,937 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:17:13,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:17:13" (1/1) ... [2018-12-03 03:17:13,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:13, skipping insertion in model container [2018-12-03 03:17:13,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:17:13" (1/1) ... [2018-12-03 03:17:13,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:17:13,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:17:14,167 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:17:14,170 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:17:14,262 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:17:14,271 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:17:14,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14 WrapperNode [2018-12-03 03:17:14,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:17:14,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:17:14,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:17:14,272 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:17:14,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:17:14,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:17:14,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:17:14,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:17:14,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... [2018-12-03 03:17:14,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:17:14,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:17:14,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:17:14,330 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:17:14,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/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 [2018-12-03 03:17:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:17:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:17:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 03:17:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 03:17:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:17:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:17:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:17:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:17:14,960 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:17:14,960 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 03:17:14,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:17:14 BoogieIcfgContainer [2018-12-03 03:17:14,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:17:14,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:17:14,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:17:14,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:17:14,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:17:13" (1/3) ... [2018-12-03 03:17:14,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7066cd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:17:14, skipping insertion in model container [2018-12-03 03:17:14,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:14" (2/3) ... [2018-12-03 03:17:14,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7066cd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:17:14, skipping insertion in model container [2018-12-03 03:17:14,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:17:14" (3/3) ... [2018-12-03 03:17:14,967 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label49_true-unreach-call.c [2018-12-03 03:17:14,975 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:17:14,982 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:17:14,995 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:17:15,015 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:17:15,015 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:17:15,016 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:17:15,016 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:17:15,016 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:17:15,016 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:17:15,016 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:17:15,016 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:17:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-03 03:17:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 03:17:15,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:15,034 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] [2018-12-03 03:17:15,036 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:15,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:15,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1605828193, now seen corresponding path program 1 times [2018-12-03 03:17:15,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:15,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:15,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:15,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:15,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:17:15,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:17:15,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:17:15,177 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:17:15,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:17:15,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:17:15,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:17:15,189 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-03 03:17:15,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:15,662 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-03 03:17:15,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:17:15,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-12-03 03:17:15,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:15,671 INFO L225 Difference]: With dead ends: 571 [2018-12-03 03:17:15,671 INFO L226 Difference]: Without dead ends: 294 [2018-12-03 03:17:15,674 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 [2018-12-03 03:17:15,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-03 03:17:15,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-03 03:17:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-03 03:17:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-12-03 03:17:15,708 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 28 [2018-12-03 03:17:15,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:15,709 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-12-03 03:17:15,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:17:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-12-03 03:17:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-03 03:17:15,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:15,711 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:15,711 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:15,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:15,711 INFO L82 PathProgramCache]: Analyzing trace with hash -351220503, now seen corresponding path program 1 times [2018-12-03 03:17:15,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:15,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:15,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:15,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:15,712 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:17:15,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:17:15,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 03:17:15,808 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:17:15,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:17:15,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:17:15,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:17:15,809 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 6 states. [2018-12-03 03:17:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:16,261 INFO L93 Difference]: Finished difference Result 741 states and 1136 transitions. [2018-12-03 03:17:16,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 03:17:16,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-12-03 03:17:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:16,264 INFO L225 Difference]: With dead ends: 741 [2018-12-03 03:17:16,264 INFO L226 Difference]: Without dead ends: 453 [2018-12-03 03:17:16,265 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 [2018-12-03 03:17:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-12-03 03:17:16,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 445. [2018-12-03 03:17:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-12-03 03:17:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 626 transitions. [2018-12-03 03:17:16,279 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 626 transitions. Word has length 101 [2018-12-03 03:17:16,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:16,279 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 626 transitions. [2018-12-03 03:17:16,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:17:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 626 transitions. [2018-12-03 03:17:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-03 03:17:16,280 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:16,281 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:16,281 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:16,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:16,281 INFO L82 PathProgramCache]: Analyzing trace with hash 788107453, now seen corresponding path program 1 times [2018-12-03 03:17:16,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:16,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:16,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:16,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:16,282 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:17:16,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:17:16,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 03:17:16,334 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:17:16,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 03:17:16,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 03:17:16,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 03:17:16,335 INFO L87 Difference]: Start difference. First operand 445 states and 626 transitions. Second operand 4 states. [2018-12-03 03:17:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:16,840 INFO L93 Difference]: Finished difference Result 1611 states and 2315 transitions. [2018-12-03 03:17:16,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 03:17:16,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-12-03 03:17:16,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:16,845 INFO L225 Difference]: With dead ends: 1611 [2018-12-03 03:17:16,845 INFO L226 Difference]: Without dead ends: 1172 [2018-12-03 03:17:16,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 03:17:16,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2018-12-03 03:17:16,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1172. [2018-12-03 03:17:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1172 states. [2018-12-03 03:17:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1554 transitions. [2018-12-03 03:17:16,881 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1554 transitions. Word has length 107 [2018-12-03 03:17:16,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:16,881 INFO L480 AbstractCegarLoop]: Abstraction has 1172 states and 1554 transitions. [2018-12-03 03:17:16,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 03:17:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1554 transitions. [2018-12-03 03:17:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-03 03:17:16,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:16,886 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:16,886 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:16,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:16,886 INFO L82 PathProgramCache]: Analyzing trace with hash 58557854, now seen corresponding path program 1 times [2018-12-03 03:17:16,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:16,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:16,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:16,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:16,888 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:17:17,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:17:17,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 03:17:17,058 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:17:17,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:17:17,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:17:17,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:17:17,059 INFO L87 Difference]: Start difference. First operand 1172 states and 1554 transitions. Second operand 6 states. [2018-12-03 03:17:17,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:17,562 INFO L93 Difference]: Finished difference Result 2372 states and 3192 transitions. [2018-12-03 03:17:17,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 03:17:17,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-12-03 03:17:17,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:17,566 INFO L225 Difference]: With dead ends: 2372 [2018-12-03 03:17:17,566 INFO L226 Difference]: Without dead ends: 1206 [2018-12-03 03:17:17,567 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 [2018-12-03 03:17:17,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2018-12-03 03:17:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1051. [2018-12-03 03:17:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2018-12-03 03:17:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1334 transitions. [2018-12-03 03:17:17,585 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1334 transitions. Word has length 164 [2018-12-03 03:17:17,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:17,585 INFO L480 AbstractCegarLoop]: Abstraction has 1051 states and 1334 transitions. [2018-12-03 03:17:17,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:17:17,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1334 transitions. [2018-12-03 03:17:17,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-03 03:17:17,587 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:17,587 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:17,587 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:17,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:17,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1560592178, now seen corresponding path program 1 times [2018-12-03 03:17:17,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:17,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:17,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:17,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:17,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:17:17,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:17:17,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 03:17:17,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:17:17,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:17:17,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:17:17,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:17:17,680 INFO L87 Difference]: Start difference. First operand 1051 states and 1334 transitions. Second operand 6 states. [2018-12-03 03:17:18,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:18,128 INFO L93 Difference]: Finished difference Result 2400 states and 3096 transitions. [2018-12-03 03:17:18,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 03:17:18,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-12-03 03:17:18,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:18,132 INFO L225 Difference]: With dead ends: 2400 [2018-12-03 03:17:18,132 INFO L226 Difference]: Without dead ends: 1355 [2018-12-03 03:17:18,134 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 [2018-12-03 03:17:18,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2018-12-03 03:17:18,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1200. [2018-12-03 03:17:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2018-12-03 03:17:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1479 transitions. [2018-12-03 03:17:18,156 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1479 transitions. Word has length 170 [2018-12-03 03:17:18,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:18,156 INFO L480 AbstractCegarLoop]: Abstraction has 1200 states and 1479 transitions. [2018-12-03 03:17:18,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:17:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1479 transitions. [2018-12-03 03:17:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-03 03:17:18,158 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:18,158 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:18,158 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:18,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:18,159 INFO L82 PathProgramCache]: Analyzing trace with hash -226216260, now seen corresponding path program 1 times [2018-12-03 03:17:18,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:18,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:18,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:18,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:18,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-03 03:17:18,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:18,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:18,315 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-12-03 03:17:18,317 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-03 03:17:18,352 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:17:18,352 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:17:18,823 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:17:18,825 INFO L272 AbstractInterpreter]: Visited 145 different actions 287 times. Merged at 6 different actions 8 times. Never widened. Performed 3109 root evaluator evaluations with a maximum evaluation depth of 8. Performed 3109 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 03:17:18,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:18,831 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:17:18,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:18,831 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/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 [2018-12-03 03:17:18,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:18,840 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:17:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:18,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:17:18,972 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:17:19,094 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:19,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-03 03:17:19,095 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:19,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 03:17:19,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 03:17:19,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-12-03 03:17:19,096 INFO L87 Difference]: Start difference. First operand 1200 states and 1479 transitions. Second operand 11 states. [2018-12-03 03:17:20,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:20,529 INFO L93 Difference]: Finished difference Result 3856 states and 4798 transitions. [2018-12-03 03:17:20,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-03 03:17:20,529 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 243 [2018-12-03 03:17:20,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:20,532 INFO L225 Difference]: With dead ends: 3856 [2018-12-03 03:17:20,532 INFO L226 Difference]: Without dead ends: 1629 [2018-12-03 03:17:20,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 490 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2018-12-03 03:17:20,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2018-12-03 03:17:20,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1190. [2018-12-03 03:17:20,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-03 03:17:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1345 transitions. [2018-12-03 03:17:20,554 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1345 transitions. Word has length 243 [2018-12-03 03:17:20,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:20,555 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1345 transitions. [2018-12-03 03:17:20,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 03:17:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1345 transitions. [2018-12-03 03:17:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-03 03:17:20,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:20,557 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:20,557 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:20,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:20,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1054824384, now seen corresponding path program 1 times [2018-12-03 03:17:20,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:20,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:20,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:20,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:20,558 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 120 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:17:20,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:20,924 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:20,924 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-12-03 03:17:20,925 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-03 03:17:20,929 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:17:20,929 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:17:21,023 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 03:17:21,023 INFO L272 AbstractInterpreter]: Visited 147 different actions 147 times. Never merged. Never widened. Performed 1461 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1461 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-03 03:17:21,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:21,025 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 03:17:21,335 INFO L227 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 72.84% of their original sizes. [2018-12-03 03:17:21,335 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 03:17:21,364 INFO L418 sIntCurrentIteration]: We unified 256 AI predicates to 256 [2018-12-03 03:17:21,364 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 03:17:21,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:17:21,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2018-12-03 03:17:21,365 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:17:21,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:17:21,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:17:21,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:17:21,365 INFO L87 Difference]: Start difference. First operand 1190 states and 1345 transitions. Second operand 6 states. [2018-12-03 03:17:24,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:24,019 INFO L93 Difference]: Finished difference Result 2232 states and 2518 transitions. [2018-12-03 03:17:24,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 03:17:24,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 257 [2018-12-03 03:17:24,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:24,022 INFO L225 Difference]: With dead ends: 2232 [2018-12-03 03:17:24,022 INFO L226 Difference]: Without dead ends: 1191 [2018-12-03 03:17:24,024 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:17:24,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2018-12-03 03:17:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1190. [2018-12-03 03:17:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-03 03:17:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1325 transitions. [2018-12-03 03:17:24,047 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1325 transitions. Word has length 257 [2018-12-03 03:17:24,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:24,048 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1325 transitions. [2018-12-03 03:17:24,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:17:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1325 transitions. [2018-12-03 03:17:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-03 03:17:24,052 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:24,052 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 03:17:24,052 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:24,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:24,052 INFO L82 PathProgramCache]: Analyzing trace with hash -2088165964, now seen corresponding path program 1 times [2018-12-03 03:17:24,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:24,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:24,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:24,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:24,053 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-03 03:17:24,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:24,205 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:24,205 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-12-03 03:17:24,206 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-03 03:17:24,208 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:17:24,208 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:17:24,418 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:17:24,418 INFO L272 AbstractInterpreter]: Visited 145 different actions 425 times. Merged at 6 different actions 12 times. Never widened. Performed 4668 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4668 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 03:17:24,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:24,422 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:17:24,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:24,422 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/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 [2018-12-03 03:17:24,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:24,428 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:17:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:24,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-03 03:17:24,533 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:24,598 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-03 03:17:24,623 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:17:24,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 11 [2018-12-03 03:17:24,623 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:17:24,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:17:24,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:17:24,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-03 03:17:24,624 INFO L87 Difference]: Start difference. First operand 1190 states and 1325 transitions. Second operand 3 states. [2018-12-03 03:17:24,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:24,925 INFO L93 Difference]: Finished difference Result 2807 states and 3129 transitions. [2018-12-03 03:17:24,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:17:24,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 279 [2018-12-03 03:17:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:24,930 INFO L225 Difference]: With dead ends: 2807 [2018-12-03 03:17:24,930 INFO L226 Difference]: Without dead ends: 1621 [2018-12-03 03:17:24,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 559 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-03 03:17:24,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2018-12-03 03:17:24,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1478. [2018-12-03 03:17:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2018-12-03 03:17:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1627 transitions. [2018-12-03 03:17:24,962 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1627 transitions. Word has length 279 [2018-12-03 03:17:24,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:24,963 INFO L480 AbstractCegarLoop]: Abstraction has 1478 states and 1627 transitions. [2018-12-03 03:17:24,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:17:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1627 transitions. [2018-12-03 03:17:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-03 03:17:24,967 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:24,967 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:24,968 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:24,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:24,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1534802932, now seen corresponding path program 1 times [2018-12-03 03:17:24,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:24,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:24,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:24,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:24,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 140 proven. 138 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 03:17:25,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:25,200 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:25,201 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 289 with the following transitions: [2018-12-03 03:17:25,201 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-03 03:17:25,202 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:17:25,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:17:25,347 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:17:25,347 INFO L272 AbstractInterpreter]: Visited 125 different actions 369 times. Merged at 7 different actions 16 times. Never widened. Performed 3867 root evaluator evaluations with a maximum evaluation depth of 15. Performed 3867 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 03:17:25,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:25,348 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:17:25,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:25,348 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/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 [2018-12-03 03:17:25,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:25,356 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:17:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:25,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-03 03:17:25,496 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:25,729 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-03 03:17:25,745 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 03:17:25,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-12-03 03:17:25,745 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 03:17:25,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-03 03:17:25,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-03 03:17:25,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-12-03 03:17:25,746 INFO L87 Difference]: Start difference. First operand 1478 states and 1627 transitions. Second operand 16 states. [2018-12-03 03:17:28,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:28,729 INFO L93 Difference]: Finished difference Result 4371 states and 5166 transitions. [2018-12-03 03:17:28,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-12-03 03:17:28,729 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 288 [2018-12-03 03:17:28,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:28,738 INFO L225 Difference]: With dead ends: 4371 [2018-12-03 03:17:28,738 INFO L226 Difference]: Without dead ends: 2897 [2018-12-03 03:17:28,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 602 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=709, Invalid=3323, Unknown=0, NotChecked=0, Total=4032 [2018-12-03 03:17:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2018-12-03 03:17:28,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2680. [2018-12-03 03:17:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2680 states. [2018-12-03 03:17:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 2958 transitions. [2018-12-03 03:17:28,781 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 2958 transitions. Word has length 288 [2018-12-03 03:17:28,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:28,782 INFO L480 AbstractCegarLoop]: Abstraction has 2680 states and 2958 transitions. [2018-12-03 03:17:28,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-03 03:17:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 2958 transitions. [2018-12-03 03:17:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-03 03:17:28,786 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:17:28,786 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:17:28,786 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:17:28,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:28,787 INFO L82 PathProgramCache]: Analyzing trace with hash -420751923, now seen corresponding path program 1 times [2018-12-03 03:17:28,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:17:28,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:28,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:28,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:17:28,788 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:17:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 215 proven. 75 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 03:17:29,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:29,039 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:17:29,039 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 302 with the following transitions: [2018-12-03 03:17:29,039 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [133], [135], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-03 03:17:29,040 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:17:29,040 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:17:29,238 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:17:29,238 INFO L272 AbstractInterpreter]: Visited 125 different actions 370 times. Merged at 7 different actions 17 times. Never widened. Performed 3890 root evaluator evaluations with a maximum evaluation depth of 18. Performed 3890 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 03:17:29,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:17:29,241 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:17:29,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:17:29,241 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:17:29,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:17:29,246 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:17:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:17:29,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:17:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-03 03:17:29,494 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:17:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-03 03:17:29,582 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:17:29,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 14 [2018-12-03 03:17:29,582 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:17:29,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:17:29,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:17:29,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-12-03 03:17:29,583 INFO L87 Difference]: Start difference. First operand 2680 states and 2958 transitions. Second operand 3 states. [2018-12-03 03:17:32,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:17:32,298 INFO L93 Difference]: Finished difference Result 5648 states and 6310 transitions. [2018-12-03 03:17:32,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:17:32,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2018-12-03 03:17:32,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:17:32,299 INFO L225 Difference]: With dead ends: 5648 [2018-12-03 03:17:32,299 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 03:17:32,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 600 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-12-03 03:17:32,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 03:17:32,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 03:17:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 03:17:32,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 03:17:32,304 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 301 [2018-12-03 03:17:32,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:17:32,304 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 03:17:32,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:17:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 03:17:32,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 03:17:32,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 03:17:32,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:32,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:32,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:32,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:32,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:32,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:17:33,394 WARN L180 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 72 [2018-12-03 03:17:33,927 WARN L180 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 66 [2018-12-03 03:17:34,485 WARN L180 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 66 [2018-12-03 03:17:34,486 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:17:34,486 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-03 03:17:34,486 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:17:34,486 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,487 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-03 03:17:34,488 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,489 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-03 03:17:34,490 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-03 03:17:34,491 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-03 03:17:34,492 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= 10 |old(~a19~0)|)) (.cse6 (= 2 |old(~a10~0)|)) (.cse13 (= |old(~a19~0)| ~a19~0)) (.cse14 (= |old(~a10~0)| ~a10~0)) (.cse8 (= ~a1~0 |old(~a1~0)|)) (.cse3 (= 1 |old(~a10~0)|))) (let ((.cse4 (not .cse3)) (.cse10 (= 8 |old(~a19~0)|)) (.cse12 (forall ((v_prenex_8 Int)) (let ((.cse16 (* 9 v_prenex_8))) (let ((.cse15 (div .cse16 10))) (or (< .cse15 0) (< .cse16 0) (< (+ (mod .cse15 25) 12) |old(~a1~0)|)))))) (.cse0 (= 4 |old(~a10~0)|)) (.cse1 (and .cse13 .cse14 .cse8)) (.cse11 (= 0 |old(~a10~0)|)) (.cse9 (or .cse2 .cse6 .cse3)) (.cse7 (< 8 |old(~a19~0)|)) (.cse5 (and .cse13 .cse14))) (and (or (< |old(~a10~0)| 1) .cse0 .cse1 (< |old(~a1~0)| 219) .cse2 .cse3) (or .cse4 .cse5) (or .cse1 (not (= 9 |old(~a19~0)|)) .cse6) (or .cse0 (< 0 (+ |old(~a1~0)| 437977)) .cse7 (<= (+ ~a1~0 437977) 0) .cse3) (or (and .cse5 .cse8) (or .cse9 .cse10) .cse11) (or .cse4 .cse1 .cse10) (or .cse12 (or .cse2 .cse10) .cse1) (or .cse12 (or .cse0 .cse6 .cse10) .cse1) (or .cse7 .cse5 .cse10) (or .cse12 .cse0 .cse7 .cse1 .cse11 .cse3) (or .cse9 .cse7 .cse5)))) [2018-12-03 03:17:34,492 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 70) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-03 03:17:34,493 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-03 03:17:34,494 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-12-03 03:17:34,495 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 10))) (.cse1 (exists ((v_prenex_8 Int)) (let ((.cse4 (* 9 v_prenex_8))) (let ((.cse3 (div .cse4 10))) (and (<= ~a1~0 (+ (mod .cse3 25) 12)) (<= 0 .cse4) (<= 0 .cse3)))))) (.cse2 (not (= 2 ~a10~0)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (< 218 ~a1~0) .cse0 (<= 1 ~a10~0)) (and .cse0 .cse1) (= 1 ~a10~0) (not (= 9 |old(~a19~0)|)) (and (= 8 ~a19~0) .cse2) (not (= 14 ~a4~0)) (and (and .cse0 .cse2) (not (= ~a10~0 0))) (and (<= ~a19~0 8) (not (= ~a19~0 8))) (and (= |old(~a19~0)| ~a19~0) .cse2) (and .cse1 (and (not (= ~a10~0 4)) .cse2)))) [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-03 03:17:34,495 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-03 03:17:34,496 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 10))) (.cse1 (exists ((v_prenex_8 Int)) (let ((.cse4 (* 9 v_prenex_8))) (let ((.cse3 (div .cse4 10))) (and (<= ~a1~0 (+ (mod .cse3 25) 12)) (<= 0 .cse4) (<= 0 .cse3)))))) (.cse2 (not (= 2 ~a10~0)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (< 218 ~a1~0) .cse0 (<= 1 ~a10~0)) (and .cse0 .cse1) (= 1 ~a10~0) (not (= 9 |old(~a19~0)|)) (and (= 8 ~a19~0) .cse2) (not (= 14 ~a4~0)) (and (and .cse0 .cse2) (not (= ~a10~0 0))) (and (<= ~a19~0 8) (not (= ~a19~0 8))) (and (= |old(~a19~0)| ~a19~0) .cse2) (and .cse1 (and (not (= ~a10~0 4)) .cse2)))) [2018-12-03 03:17:34,496 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-03 03:17:34,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,502 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:17:34 BoogieIcfgContainer [2018-12-03 03:17:34,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:17:34,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:17:34,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:17:34,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:17:34,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:17:14" (3/4) ... [2018-12-03 03:17:34,507 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 03:17:34,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 03:17:34,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 03:17:34,511 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 03:17:34,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 03:17:34,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 03:17:34,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || ((218 < a1 && !(a19 == 10)) && 1 <= a10)) || (!(a19 == 10) && (\exists v_prenex_8 : int :: (a1 <= 9 * v_prenex_8 / 10 % 25 + 12 && 0 <= 9 * v_prenex_8) && 0 <= 9 * v_prenex_8 / 10))) || 1 == a10) || !(9 == \old(a19))) || (8 == a19 && !(2 == a10))) || !(14 == a4)) || ((!(a19 == 10) && !(2 == a10)) && !(a10 == 0))) || (a19 <= 8 && !(a19 == 8))) || (\old(a19) == a19 && !(2 == a10))) || ((\exists v_prenex_8 : int :: (a1 <= 9 * v_prenex_8 / 10 % 25 + 12 && 0 <= 9 * v_prenex_8) && 0 <= 9 * v_prenex_8 / 10) && !(a10 == 4) && !(2 == a10)) [2018-12-03 03:17:34,580 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a639ba39-404f-4587-9b9d-d65bf0e1d588/bin-2019/utaipan/witness.graphml [2018-12-03 03:17:34,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:17:34,581 INFO L168 Benchmark]: Toolchain (without parser) took 20650.84 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 947.0 MB in the beginning and 905.7 MB in the end (delta: 41.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-03 03:17:34,581 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:17:34,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-12-03 03:17:34,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:17:34,582 INFO L168 Benchmark]: Boogie Preprocessor took 38.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-03 03:17:34,582 INFO L168 Benchmark]: RCFGBuilder took 630.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.5 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2018-12-03 03:17:34,582 INFO L168 Benchmark]: TraceAbstraction took 19543.44 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 979.4 MB). Free memory was 984.5 MB in the beginning and 905.7 MB in the end (delta: 78.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-03 03:17:34,582 INFO L168 Benchmark]: Witness Printer took 75.80 ms. Allocated memory is still 2.1 GB. Free memory is still 905.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:17:34,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 630.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.5 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19543.44 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 979.4 MB). Free memory was 984.5 MB in the beginning and 905.7 MB in the end (delta: 78.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 75.80 ms. Allocated memory is still 2.1 GB. Free memory is still 905.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 70]: 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: 582]: Loop Invariant [2018-12-03 03:17:34,585 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,586 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] [2018-12-03 03:17:34,587 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_8,QUANTIFIED] Derived loop invariant: (((((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || ((218 < a1 && !(a19 == 10)) && 1 <= a10)) || (!(a19 == 10) && (\exists v_prenex_8 : int :: (a1 <= 9 * v_prenex_8 / 10 % 25 + 12 && 0 <= 9 * v_prenex_8) && 0 <= 9 * v_prenex_8 / 10))) || 1 == a10) || !(9 == \old(a19))) || (8 == a19 && !(2 == a10))) || !(14 == a4)) || ((!(a19 == 10) && !(2 == a10)) && !(a10 == 0))) || (a19 <= 8 && !(a19 == 8))) || (\old(a19) == a19 && !(2 == a10))) || ((\exists v_prenex_8 : int :: (a1 <= 9 * v_prenex_8 / 10 % 25 + 12 && 0 <= 9 * v_prenex_8) && 0 <= 9 * v_prenex_8 / 10) && !(a10 == 4) && !(2 == a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 19.4s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 12.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 567 SDtfs, 6161 SDslu, 554 SDs, 0 SdLazy, 11717 SolverSat, 2118 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2666 GetRequests, 2514 SyntacticMatches, 17 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1359 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2680occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9978008319805197 AbsIntWeakeningRatio, 0.1015625 AbsIntAvgWeakeningVarsNumRemoved, 15.421875 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1118 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 115 PreInvPairs, 193 NumberOfFragments, 646 HoareAnnotationTreeSize, 115 FomulaSimplifications, 8603 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8371 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3049 NumberOfCodeBlocks, 3049 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4142 ConstructedInterpolants, 24 QuantifiedInterpolants, 5308571 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1885 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2492/2769 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...