./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/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 f418d82fd3ea296ff0e64793b35fd062187cf0a9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:30:15,937 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:30:15,938 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:30:15,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:30:15,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:30:15,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:30:15,946 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:30:15,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:30:15,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:30:15,948 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:30:15,949 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:30:15,949 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:30:15,950 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:30:15,950 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:30:15,951 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:30:15,951 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:30:15,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:30:15,953 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:30:15,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:30:15,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:30:15,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:30:15,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:30:15,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:30:15,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:30:15,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:30:15,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:30:15,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:30:15,960 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:30:15,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:30:15,961 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:30:15,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:30:15,962 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:30:15,962 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:30:15,962 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:30:15,963 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:30:15,963 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:30:15,964 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:30:15,971 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:30:15,971 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:30:15,972 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:30:15,972 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:30:15,972 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:30:15,972 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:30:15,972 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:30:15,973 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:30:15,973 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:30:15,973 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:30:15,973 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:30:15,973 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:30:15,973 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:30:15,974 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:30:15,974 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:30:15,974 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:30:15,974 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:30:15,974 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:30:15,974 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:30:15,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:30:15,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:30:15,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:30:15,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:30:15,975 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:30:15,975 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:30:15,975 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:30:15,975 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:30:15,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:30:15,976 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:30:15,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:30:15,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:30:15,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:30:15,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:30:15,976 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:30:15,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:30:15,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:30:15,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:30:15,977 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_8d8f7593-265b-4f73-91f5-75e731d51cdc/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 -> f418d82fd3ea296ff0e64793b35fd062187cf0a9 [2018-11-18 12:30:16,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:30:16,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:30:16,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:30:16,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:30:16,014 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:30:16,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c [2018-11-18 12:30:16,057 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/data/2346f131e/049aa308ffee40fb8e6fe55553a8e1a9/FLAGc5843342d [2018-11-18 12:30:16,529 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:30:16,529 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c [2018-11-18 12:30:16,539 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/data/2346f131e/049aa308ffee40fb8e6fe55553a8e1a9/FLAGc5843342d [2018-11-18 12:30:17,032 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/data/2346f131e/049aa308ffee40fb8e6fe55553a8e1a9 [2018-11-18 12:30:17,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:30:17,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:30:17,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:30:17,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:30:17,039 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:30:17,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e0686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17, skipping insertion in model container [2018-11-18 12:30:17,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:30:17,085 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:30:17,320 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:30:17,324 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:30:17,406 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:30:17,473 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:30:17,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17 WrapperNode [2018-11-18 12:30:17,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:30:17,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:30:17,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:30:17,474 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:30:17,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:30:17,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:30:17,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:30:17,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:30:17,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... [2018-11-18 12:30:17,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:30:17,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:30:17,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:30:17,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:30:17,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:30:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:30:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:30:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:30:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:30:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:30:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:30:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:30:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:30:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:30:18,454 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:30:18,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:30:18 BoogieIcfgContainer [2018-11-18 12:30:18,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:30:18,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:30:18,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:30:18,457 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:30:18,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:30:17" (1/3) ... [2018-11-18 12:30:18,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f79822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:30:18, skipping insertion in model container [2018-11-18 12:30:18,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:17" (2/3) ... [2018-11-18 12:30:18,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f79822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:30:18, skipping insertion in model container [2018-11-18 12:30:18,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:30:18" (3/3) ... [2018-11-18 12:30:18,459 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label59_true-unreach-call_false-termination.c [2018-11-18 12:30:18,465 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:30:18,471 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:30:18,480 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:30:18,502 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:30:18,503 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:30:18,503 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:30:18,503 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:30:18,503 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:30:18,503 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:30:18,503 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:30:18,503 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:30:18,521 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 12:30:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:30:18,526 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:18,527 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:18,529 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:18,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:18,533 INFO L82 PathProgramCache]: Analyzing trace with hash 403888209, now seen corresponding path program 1 times [2018-11-18 12:30:18,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:30:18,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:18,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:18,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:18,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:30:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:18,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:18,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:18,736 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:30:18,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:18,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:18,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:18,749 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-11-18 12:30:19,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:19,454 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-11-18 12:30:19,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:19,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-18 12:30:19,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:19,466 INFO L225 Difference]: With dead ends: 691 [2018-11-18 12:30:19,467 INFO L226 Difference]: Without dead ends: 434 [2018-11-18 12:30:19,471 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:19,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-18 12:30:19,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-11-18 12:30:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-18 12:30:19,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 772 transitions. [2018-11-18 12:30:19,521 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 772 transitions. Word has length 47 [2018-11-18 12:30:19,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:19,522 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 772 transitions. [2018-11-18 12:30:19,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 772 transitions. [2018-11-18 12:30:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:30:19,526 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:19,526 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:30:19,526 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:19,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:19,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1310565324, now seen corresponding path program 1 times [2018-11-18 12:30:19,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:30:19,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:19,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:19,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:19,528 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:30:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:19,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:19,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:30:19,650 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:30:19,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:30:19,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:30:19,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:30:19,652 INFO L87 Difference]: Start difference. First operand 434 states and 772 transitions. Second operand 6 states. [2018-11-18 12:30:20,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:20,642 INFO L93 Difference]: Finished difference Result 1234 states and 2250 transitions. [2018-11-18 12:30:20,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:30:20,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-11-18 12:30:20,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:20,650 INFO L225 Difference]: With dead ends: 1234 [2018-11-18 12:30:20,650 INFO L226 Difference]: Without dead ends: 806 [2018-11-18 12:30:20,651 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:30:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-11-18 12:30:20,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 797. [2018-11-18 12:30:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2018-11-18 12:30:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1300 transitions. [2018-11-18 12:30:20,678 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1300 transitions. Word has length 117 [2018-11-18 12:30:20,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:20,678 INFO L480 AbstractCegarLoop]: Abstraction has 797 states and 1300 transitions. [2018-11-18 12:30:20,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:30:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1300 transitions. [2018-11-18 12:30:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:30:20,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:20,681 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:30:20,681 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:20,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:20,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1516534009, now seen corresponding path program 1 times [2018-11-18 12:30:20,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:30:20,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:20,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:20,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:20,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:30:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:20,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:20,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:30:20,778 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:30:20,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:30:20,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:30:20,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:30:20,778 INFO L87 Difference]: Start difference. First operand 797 states and 1300 transitions. Second operand 5 states. [2018-11-18 12:30:21,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:21,767 INFO L93 Difference]: Finished difference Result 2186 states and 3741 transitions. [2018-11-18 12:30:21,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:30:21,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2018-11-18 12:30:21,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:21,775 INFO L225 Difference]: With dead ends: 2186 [2018-11-18 12:30:21,775 INFO L226 Difference]: Without dead ends: 1395 [2018-11-18 12:30:21,777 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:30:21,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2018-11-18 12:30:21,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1369. [2018-11-18 12:30:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1369 states. [2018-11-18 12:30:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 2191 transitions. [2018-11-18 12:30:21,812 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 2191 transitions. Word has length 118 [2018-11-18 12:30:21,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:21,813 INFO L480 AbstractCegarLoop]: Abstraction has 1369 states and 2191 transitions. [2018-11-18 12:30:21,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:30:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2191 transitions. [2018-11-18 12:30:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 12:30:21,814 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:21,814 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:30:21,815 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:21,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:21,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1750095403, now seen corresponding path program 1 times [2018-11-18 12:30:21,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:30:21,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:21,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:21,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:21,816 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:30:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:21,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:21,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:30:21,890 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:30:21,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:30:21,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:30:21,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:30:21,892 INFO L87 Difference]: Start difference. First operand 1369 states and 2191 transitions. Second operand 5 states. [2018-11-18 12:30:23,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:23,029 INFO L93 Difference]: Finished difference Result 3697 states and 5933 transitions. [2018-11-18 12:30:23,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:30:23,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-11-18 12:30:23,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:23,048 INFO L225 Difference]: With dead ends: 3697 [2018-11-18 12:30:23,048 INFO L226 Difference]: Without dead ends: 2334 [2018-11-18 12:30:23,053 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:30:23,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2018-11-18 12:30:23,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2254. [2018-11-18 12:30:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2254 states. [2018-11-18 12:30:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3323 transitions. [2018-11-18 12:30:23,109 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3323 transitions. Word has length 120 [2018-11-18 12:30:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:23,110 INFO L480 AbstractCegarLoop]: Abstraction has 2254 states and 3323 transitions. [2018-11-18 12:30:23,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:30:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3323 transitions. [2018-11-18 12:30:23,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 12:30:23,111 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:23,112 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:30:23,112 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:23,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:23,112 INFO L82 PathProgramCache]: Analyzing trace with hash 289947284, now seen corresponding path program 1 times [2018-11-18 12:30:23,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:30:23,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:23,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:23,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:23,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:30:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:23,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:23,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:30:23,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:30:23,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:30:23,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:30:23,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:30:23,214 INFO L87 Difference]: Start difference. First operand 2254 states and 3323 transitions. Second operand 5 states. [2018-11-18 12:30:24,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:24,364 INFO L93 Difference]: Finished difference Result 6104 states and 9334 transitions. [2018-11-18 12:30:24,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:30:24,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2018-11-18 12:30:24,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:24,373 INFO L225 Difference]: With dead ends: 6104 [2018-11-18 12:30:24,373 INFO L226 Difference]: Without dead ends: 2950 [2018-11-18 12:30:24,386 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:30:24,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2950 states. [2018-11-18 12:30:24,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2950 to 2927. [2018-11-18 12:30:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2927 states. [2018-11-18 12:30:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 3799 transitions. [2018-11-18 12:30:24,443 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 3799 transitions. Word has length 121 [2018-11-18 12:30:24,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:24,443 INFO L480 AbstractCegarLoop]: Abstraction has 2927 states and 3799 transitions. [2018-11-18 12:30:24,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:30:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3799 transitions. [2018-11-18 12:30:24,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 12:30:24,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:24,448 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:24,449 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:24,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:24,449 INFO L82 PathProgramCache]: Analyzing trace with hash 2133746483, now seen corresponding path program 1 times [2018-11-18 12:30:24,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:30:24,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:24,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:24,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:24,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:30:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:24,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:24,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:30:24,578 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:30:24,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:30:24,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:30:24,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:30:24,579 INFO L87 Difference]: Start difference. First operand 2927 states and 3799 transitions. Second operand 4 states. [2018-11-18 12:30:25,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:25,339 INFO L93 Difference]: Finished difference Result 5839 states and 7641 transitions. [2018-11-18 12:30:25,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:25,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 220 [2018-11-18 12:30:25,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:25,347 INFO L225 Difference]: With dead ends: 5839 [2018-11-18 12:30:25,347 INFO L226 Difference]: Without dead ends: 3110 [2018-11-18 12:30:25,354 INFO L604 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 [2018-11-18 12:30:25,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2018-11-18 12:30:25,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 3110. [2018-11-18 12:30:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3110 states. [2018-11-18 12:30:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 3110 states and 3994 transitions. [2018-11-18 12:30:25,391 INFO L78 Accepts]: Start accepts. Automaton has 3110 states and 3994 transitions. Word has length 220 [2018-11-18 12:30:25,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:25,392 INFO L480 AbstractCegarLoop]: Abstraction has 3110 states and 3994 transitions. [2018-11-18 12:30:25,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:30:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 3994 transitions. [2018-11-18 12:30:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 12:30:25,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:25,398 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:25,399 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:25,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:25,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1526294730, now seen corresponding path program 1 times [2018-11-18 12:30:25,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:30:25,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:25,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:25,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:25,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:30:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:25,910 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:25,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:30:25,910 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:30:25,911 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-18 12:30:25,912 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [622], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 12:30:25,943 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:30:25,943 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:30:28,347 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:30:28,349 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 times. Never merged. Never widened. Performed 1058 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 12:30:28,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:28,361 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:30:30,019 INFO L227 lantSequenceWeakener]: Weakened 253 states. On average, predicates are now at 77.83% of their original sizes. [2018-11-18 12:30:30,019 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:30:30,056 INFO L415 sIntCurrentIteration]: We unified 261 AI predicates to 261 [2018-11-18 12:30:30,056 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:30:30,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:30:30,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-11-18 12:30:30,057 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:30:30,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:30:30,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:30:30,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:30:30,058 INFO L87 Difference]: Start difference. First operand 3110 states and 3994 transitions. Second operand 6 states. [2018-11-18 12:30:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:34,469 INFO L93 Difference]: Finished difference Result 6399 states and 8193 transitions. [2018-11-18 12:30:34,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:30:34,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 262 [2018-11-18 12:30:34,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:34,477 INFO L225 Difference]: With dead ends: 6399 [2018-11-18 12:30:34,477 INFO L226 Difference]: Without dead ends: 3295 [2018-11-18 12:30:34,485 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 262 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:30:34,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3295 states. [2018-11-18 12:30:34,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3295 to 3293. [2018-11-18 12:30:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3293 states. [2018-11-18 12:30:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 3293 states and 4179 transitions. [2018-11-18 12:30:34,547 INFO L78 Accepts]: Start accepts. Automaton has 3293 states and 4179 transitions. Word has length 262 [2018-11-18 12:30:34,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:34,547 INFO L480 AbstractCegarLoop]: Abstraction has 3293 states and 4179 transitions. [2018-11-18 12:30:34,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:30:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3293 states and 4179 transitions. [2018-11-18 12:30:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-18 12:30:34,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:34,557 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:34,557 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:34,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:34,558 INFO L82 PathProgramCache]: Analyzing trace with hash 457179888, now seen corresponding path program 1 times [2018-11-18 12:30:34,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:30:34,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:34,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:34,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:34,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:30:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 133 proven. 297 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:30:35,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:30:35,184 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:30:35,184 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 374 with the following transitions: [2018-11-18 12:30:35,185 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [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], [622], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 12:30:35,188 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:30:35,189 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:30:38,764 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:30:38,765 INFO L272 AbstractInterpreter]: Visited 123 different actions 239 times. Merged at 5 different actions 5 times. Never widened. Performed 2179 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2179 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:30:38,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:38,768 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:30:38,768 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:30:38,768 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:30:38,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:38,774 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:30:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:38,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:30:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-11-18 12:30:38,978 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:30:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-11-18 12:30:39,142 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:30:39,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [15] total 16 [2018-11-18 12:30:39,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:30:39,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:39,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:39,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:30:39,144 INFO L87 Difference]: Start difference. First operand 3293 states and 4179 transitions. Second operand 3 states. [2018-11-18 12:30:39,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:39,762 INFO L93 Difference]: Finished difference Result 7312 states and 9447 transitions. [2018-11-18 12:30:39,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:39,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 373 [2018-11-18 12:30:39,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:39,764 INFO L225 Difference]: With dead ends: 7312 [2018-11-18 12:30:39,764 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:30:39,780 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 745 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:30:39,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:30:39,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:30:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:30:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:30:39,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2018-11-18 12:30:39,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:39,781 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:30:39,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:30:39,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:30:39,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:30:39,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:39,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:40,234 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2018-11-18 12:30:40,357 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:30:40,357 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a21~0)| ~a21~0) (= |old(~a15~0)| ~a15~0)) [2018-11-18 12:30:40,357 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:30:40,357 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 12:30:40,357 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 12:30:40,357 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,357 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,357 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 12:30:40,358 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 12:30:40,359 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,360 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,361 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,362 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 12:30:40,363 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (< 7 |old(~a15~0)|)) (.cse3 (= 9 |old(~a21~0)|)) (.cse1 (and (= ~a12~0 |old(~a12~0)|) (= |old(~a21~0)| ~a21~0) (= |old(~a15~0)| ~a15~0))) (.cse4 (= 6 |old(~a21~0)|)) (.cse0 (not (= 1 |old(~a24~0)|)))) (and (or (= ~a24~0 1) (not (= 7 |old(~a21~0)|)) .cse0 (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (= |calculate_output_#in~input| 0)) (or .cse1 .cse2) (or .cse3 (not (= 2 |old(~a24~0)|)) (= 2 ~a24~0) .cse2) (or .cse1 .cse4 .cse3) (or (<= (+ |old(~a12~0)| 43) 0) .cse1) (or (= 1 ~a24~0) (not .cse4) .cse0 (not (= 5 |old(~a15~0)|))))) [2018-11-18 12:30:40,363 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,364 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 12:30:40,365 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 12:30:40,366 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 12:30:40,367 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 12:30:40,368 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 12:30:40,369 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 12:30:40,370 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:30:40,371 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-18 12:30:40,371 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:30:40,372 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:30:40,372 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0))) [2018-11-18 12:30:40,372 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 12:30:40,372 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (< 0 (+ ~a12~0 43)) (not (= 8 |old(~a15~0)|)) (<= ~a15~0 7) (not (= 7 |old(~a21~0)|)) (and (not (= ~a21~0 9)) (not (= ~a21~0 6))) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-18 12:30:40,372 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 12:30:40,372 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 12:30:40,372 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 12:30:40,372 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (or (< 0 (+ ~a12~0 43)) (not (= 8 |old(~a15~0)|)) (<= ~a15~0 7) (not (= 7 |old(~a21~0)|)) (and (not (= ~a21~0 9)) (not (= ~a21~0 6))) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-18 12:30:40,372 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 12:30:40,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:30:40 BoogieIcfgContainer [2018-11-18 12:30:40,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:30:40,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:30:40,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:30:40,385 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:30:40,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:30:18" (3/4) ... [2018-11-18 12:30:40,388 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:30:40,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:30:40,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:30:40,393 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:30:40,403 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:30:40,404 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:30:40,424 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 < a12 + 43 || !(8 == \old(a15))) || a15 <= 7) || !(7 == \old(a21))) || (!(a21 == 9) && !(a21 == 6))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) [2018-11-18 12:30:40,498 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8d8f7593-265b-4f73-91f5-75e731d51cdc/bin-2019/utaipan/witness.graphml [2018-11-18 12:30:40,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:30:40,499 INFO L168 Benchmark]: Toolchain (without parser) took 23464.36 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -59.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-18 12:30:40,500 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:30:40,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:30:40,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:30:40,500 INFO L168 Benchmark]: Boogie Preprocessor took 54.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:30:40,501 INFO L168 Benchmark]: RCFGBuilder took 898.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:30:40,501 INFO L168 Benchmark]: TraceAbstraction took 21929.43 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -44.8 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 12:30:40,501 INFO L168 Benchmark]: Witness Printer took 114.20 ms. Allocated memory is still 3.0 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:30:40,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 437.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 898.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21929.43 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -44.8 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 114.20 ms. Allocated memory is still 3.0 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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: 880]: Loop Invariant Derived loop invariant: (((((0 < a12 + 43 || !(8 == \old(a15))) || a15 <= 7) || !(7 == \old(a21))) || (!(a21 == 9) && !(a21 == 6))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 21.8s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 10.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1532 SDtfs, 4635 SDslu, 719 SDs, 0 SdLazy, 7211 SolverSat, 1829 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1070 GetRequests, 1019 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3293occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.0s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9978429616360655 AbsIntWeakeningRatio, 0.09961685823754789 AbsIntAvgWeakeningVarsNumRemoved, 16.471264367816094 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 140 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 126 NumberOfFragments, 238 HoareAnnotationTreeSize, 82 FomulaSimplifications, 1546 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1755 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1751 NumberOfCodeBlocks, 1751 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2114 ConstructedInterpolants, 0 QuantifiedInterpolants, 3456751 SizeOfPredicates, 2 NumberOfNonLiveVariables, 593 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 1388/1687 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...