./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/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 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:28:05,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:28:05,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:28:05,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:28:05,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:28:05,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:28:06,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:28:06,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:28:06,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:28:06,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:28:06,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:28:06,003 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:28:06,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:28:06,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:28:06,004 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:28:06,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:28:06,005 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:28:06,006 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:28:06,007 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:28:06,008 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:28:06,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:28:06,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:28:06,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:28:06,010 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:28:06,010 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:28:06,011 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:28:06,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:28:06,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:28:06,012 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:28:06,013 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:28:06,013 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:28:06,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:28:06,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:28:06,014 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:28:06,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:28:06,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:28:06,015 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:28:06,022 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:28:06,022 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:28:06,023 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:28:06,023 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:28:06,023 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:28:06,023 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:28:06,023 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:28:06,023 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:28:06,023 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:28:06,023 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:28:06,023 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:28:06,024 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:28:06,024 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:28:06,024 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:28:06,024 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:28:06,024 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:28:06,024 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:28:06,025 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:28:06,025 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:28:06,025 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:28:06,025 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:28:06,025 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:28:06,025 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:28:06,025 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:28:06,025 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:28:06,026 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:28:06,026 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:28:06,026 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:28:06,026 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:28:06,026 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:28:06,026 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:28:06,026 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:28:06,026 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:28:06,026 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:28:06,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:28:06,027 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:28:06,027 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_554ed613-f554-481f-a69e-76aab3cc2ec0/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 -> 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 [2018-12-09 17:28:06,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:28:06,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:28:06,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:28:06,059 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:28:06,059 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:28:06,060 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-12-09 17:28:06,098 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/data/8b51400c9/706927ba35844f6dadbe72703c0e8270/FLAGa34fc4563 [2018-12-09 17:28:06,597 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:28:06,598 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-12-09 17:28:06,604 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/data/8b51400c9/706927ba35844f6dadbe72703c0e8270/FLAGa34fc4563 [2018-12-09 17:28:06,613 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/data/8b51400c9/706927ba35844f6dadbe72703c0e8270 [2018-12-09 17:28:06,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:28:06,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:28:06,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:28:06,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:28:06,619 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:28:06,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06, skipping insertion in model container [2018-12-09 17:28:06,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:28:06,651 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:28:06,827 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:28:06,830 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:28:06,919 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:28:06,928 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:28:06,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06 WrapperNode [2018-12-09 17:28:06,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:28:06,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:28:06,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:28:06,930 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:28:06,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:28:06,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:28:06,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:28:06,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:28:06,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... [2018-12-09 17:28:06,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:28:06,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:28:06,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:28:06,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:28:06,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:28:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:28:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:28:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 17:28:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 17:28:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:28:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:28:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:28:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:28:07,597 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:28:07,597 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 17:28:07,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:28:07 BoogieIcfgContainer [2018-12-09 17:28:07,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:28:07,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:28:07,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:28:07,601 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:28:07,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:28:06" (1/3) ... [2018-12-09 17:28:07,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:28:07, skipping insertion in model container [2018-12-09 17:28:07,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:28:06" (2/3) ... [2018-12-09 17:28:07,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:28:07, skipping insertion in model container [2018-12-09 17:28:07,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:28:07" (3/3) ... [2018-12-09 17:28:07,604 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label29_true-unreach-call_false-termination.c [2018-12-09 17:28:07,612 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:28:07,619 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:28:07,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:28:07,660 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:28:07,660 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:28:07,660 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:28:07,660 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:28:07,661 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:28:07,661 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:28:07,661 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:28:07,661 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:28:07,679 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 17:28:07,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 17:28:07,687 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:07,688 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:07,690 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:07,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:07,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1243928705, now seen corresponding path program 1 times [2018-12-09 17:28:07,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:07,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:07,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:07,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:07,731 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:28:07,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:28:07,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:28:07,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:07,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:28:08,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:28:08,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:28:08,006 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 17:28:08,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:08,398 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 17:28:08,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:28:08,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-09 17:28:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:08,407 INFO L225 Difference]: With dead ends: 547 [2018-12-09 17:28:08,407 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 17:28:08,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:28:08,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 17:28:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 17:28:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 17:28:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-09 17:28:08,446 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 107 [2018-12-09 17:28:08,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:08,446 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-09 17:28:08,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:28:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-09 17:28:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 17:28:08,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:08,449 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 17:28:08,449 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:08,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:08,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1742380424, now seen corresponding path program 1 times [2018-12-09 17:28:08,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:08,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:08,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:08,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:08,451 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:28:08,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:28:08,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:28:08,552 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:08,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:28:08,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:28:08,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:28:08,554 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-09 17:28:08,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:08,996 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-09 17:28:08,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:28:08,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-12-09 17:28:08,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:09,001 INFO L225 Difference]: With dead ends: 703 [2018-12-09 17:28:09,001 INFO L226 Difference]: Without dead ends: 431 [2018-12-09 17:28:09,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:28:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-09 17:28:09,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-09 17:28:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-09 17:28:09,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-09 17:28:09,025 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 117 [2018-12-09 17:28:09,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:09,026 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-09 17:28:09,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:28:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-09 17:28:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 17:28:09,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:09,028 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 17:28:09,029 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:09,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:09,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1357354234, now seen corresponding path program 1 times [2018-12-09 17:28:09,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:09,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:09,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:09,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:09,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:28:09,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:28:09,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:28:09,108 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:09,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:28:09,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:28:09,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:28:09,110 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-09 17:28:09,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:09,348 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-09 17:28:09,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:28:09,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-12-09 17:28:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:09,353 INFO L225 Difference]: With dead ends: 1241 [2018-12-09 17:28:09,353 INFO L226 Difference]: Without dead ends: 828 [2018-12-09 17:28:09,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:28:09,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-09 17:28:09,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-09 17:28:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-09 17:28:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-12-09 17:28:09,380 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 118 [2018-12-09 17:28:09,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:09,381 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-12-09 17:28:09,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:28:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-12-09 17:28:09,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 17:28:09,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:09,384 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 17:28:09,384 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:09,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:09,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1051124638, now seen corresponding path program 1 times [2018-12-09 17:28:09,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:09,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:09,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:09,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:09,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:28:09,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:28:09,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:28:09,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:09,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:28:09,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:28:09,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:28:09,454 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-12-09 17:28:09,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:09,828 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-12-09 17:28:09,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:28:09,829 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-12-09 17:28:09,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:09,836 INFO L225 Difference]: With dead ends: 2250 [2018-12-09 17:28:09,836 INFO L226 Difference]: Without dead ends: 1428 [2018-12-09 17:28:09,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:28:09,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-12-09 17:28:09,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-12-09 17:28:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-12-09 17:28:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1853 transitions. [2018-12-09 17:28:09,890 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1853 transitions. Word has length 132 [2018-12-09 17:28:09,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:09,890 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1853 transitions. [2018-12-09 17:28:09,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:28:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1853 transitions. [2018-12-09 17:28:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 17:28:09,894 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:09,895 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:09,895 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:09,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:09,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1449351597, now seen corresponding path program 1 times [2018-12-09 17:28:09,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:09,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:09,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:09,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:09,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:28:09,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:09,957 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:28:09,958 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-12-09 17:28:09,960 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 17:28:09,995 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:28:09,995 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:28:10,470 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:28:10,471 INFO L272 AbstractInterpreter]: Visited 111 different actions 216 times. Merged at 4 different actions 4 times. Never widened. Performed 2920 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2920 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 17:28:10,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:10,476 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:28:10,691 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 81.72% of their original sizes. [2018-12-09 17:28:10,692 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:28:10,748 INFO L418 sIntCurrentIteration]: We unified 140 AI predicates to 140 [2018-12-09 17:28:10,748 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:28:10,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:28:10,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 17:28:10,749 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:10,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:28:10,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:28:10,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:28:10,749 INFO L87 Difference]: Start difference. First operand 1400 states and 1853 transitions. Second operand 10 states. [2018-12-09 17:28:13,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:13,173 INFO L93 Difference]: Finished difference Result 3068 states and 4047 transitions. [2018-12-09 17:28:13,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:28:13,173 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 141 [2018-12-09 17:28:13,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:13,178 INFO L225 Difference]: With dead ends: 3068 [2018-12-09 17:28:13,178 INFO L226 Difference]: Without dead ends: 1674 [2018-12-09 17:28:13,180 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:28:13,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2018-12-09 17:28:13,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1672. [2018-12-09 17:28:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-12-09 17:28:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2151 transitions. [2018-12-09 17:28:13,218 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2151 transitions. Word has length 141 [2018-12-09 17:28:13,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:13,218 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 2151 transitions. [2018-12-09 17:28:13,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:28:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2151 transitions. [2018-12-09 17:28:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 17:28:13,221 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:13,222 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:13,222 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:13,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:13,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1860694341, now seen corresponding path program 1 times [2018-12-09 17:28:13,222 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:13,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:13,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:13,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:13,223 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:28:13,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:13,270 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:28:13,270 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-12-09 17:28:13,271 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 17:28:13,274 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:28:13,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:28:13,399 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:28:13,400 INFO L272 AbstractInterpreter]: Visited 111 different actions 215 times. Merged at 3 different actions 3 times. Never widened. Performed 3058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 17:28:13,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:13,401 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:28:13,541 INFO L227 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 81.72% of their original sizes. [2018-12-09 17:28:13,541 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:28:13,595 INFO L418 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-12-09 17:28:13,595 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:28:13,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:28:13,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 17:28:13,596 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:13,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:28:13,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:28:13,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:28:13,596 INFO L87 Difference]: Start difference. First operand 1672 states and 2151 transitions. Second operand 10 states. [2018-12-09 17:28:15,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:15,647 INFO L93 Difference]: Finished difference Result 3724 states and 4958 transitions. [2018-12-09 17:28:15,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 17:28:15,648 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2018-12-09 17:28:15,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:15,652 INFO L225 Difference]: With dead ends: 3724 [2018-12-09 17:28:15,652 INFO L226 Difference]: Without dead ends: 2330 [2018-12-09 17:28:15,654 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 17:28:15,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2018-12-09 17:28:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 1817. [2018-12-09 17:28:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1817 states. [2018-12-09 17:28:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2318 transitions. [2018-12-09 17:28:15,681 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2318 transitions. Word has length 143 [2018-12-09 17:28:15,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:15,682 INFO L480 AbstractCegarLoop]: Abstraction has 1817 states and 2318 transitions. [2018-12-09 17:28:15,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:28:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2318 transitions. [2018-12-09 17:28:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 17:28:15,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:15,684 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:15,684 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:15,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:15,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1227031692, now seen corresponding path program 1 times [2018-12-09 17:28:15,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:15,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:15,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:15,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:15,685 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:28:15,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:15,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:28:15,723 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-09 17:28:15,723 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 17:28:15,726 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:28:15,727 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:28:15,892 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:28:15,892 INFO L272 AbstractInterpreter]: Visited 113 different actions 335 times. Merged at 6 different actions 18 times. Never widened. Performed 4687 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4687 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 17:28:15,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:15,899 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:28:15,899 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:15,899 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:28:15,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:15,908 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:28:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:15,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:28:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 17:28:16,026 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:28:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:28:16,108 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:28:16,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-09 17:28:16,108 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:28:16,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 17:28:16,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 17:28:16,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:28:16,109 INFO L87 Difference]: Start difference. First operand 1817 states and 2318 transitions. Second operand 8 states. [2018-12-09 17:28:17,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:17,592 INFO L93 Difference]: Finished difference Result 6134 states and 8233 transitions. [2018-12-09 17:28:17,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-09 17:28:17,592 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-12-09 17:28:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:17,600 INFO L225 Difference]: With dead ends: 6134 [2018-12-09 17:28:17,600 INFO L226 Difference]: Without dead ends: 4164 [2018-12-09 17:28:17,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2018-12-09 17:28:17,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2018-12-09 17:28:17,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 3445. [2018-12-09 17:28:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3445 states. [2018-12-09 17:28:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 4031 transitions. [2018-12-09 17:28:17,653 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 4031 transitions. Word has length 152 [2018-12-09 17:28:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:17,654 INFO L480 AbstractCegarLoop]: Abstraction has 3445 states and 4031 transitions. [2018-12-09 17:28:17,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 17:28:17,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 4031 transitions. [2018-12-09 17:28:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 17:28:17,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:17,658 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:17,658 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:17,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:17,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1721920054, now seen corresponding path program 1 times [2018-12-09 17:28:17,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:17,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:17,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:17,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:17,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:17,722 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 17:28:17,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:17,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:28:17,723 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-12-09 17:28:17,723 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 17:28:17,725 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:28:17,725 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:28:17,816 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:28:17,816 INFO L272 AbstractInterpreter]: Visited 112 different actions 218 times. Merged at 4 different actions 4 times. Never widened. Performed 2981 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 17:28:17,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:17,817 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:28:17,966 INFO L227 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 81.67% of their original sizes. [2018-12-09 17:28:17,966 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:28:18,017 INFO L418 sIntCurrentIteration]: We unified 187 AI predicates to 187 [2018-12-09 17:28:18,017 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:28:18,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:28:18,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 17:28:18,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:18,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:28:18,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:28:18,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:28:18,018 INFO L87 Difference]: Start difference. First operand 3445 states and 4031 transitions. Second operand 10 states. [2018-12-09 17:28:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:20,190 INFO L93 Difference]: Finished difference Result 6221 states and 7278 transitions. [2018-12-09 17:28:20,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 17:28:20,190 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2018-12-09 17:28:20,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:20,200 INFO L225 Difference]: With dead ends: 6221 [2018-12-09 17:28:20,200 INFO L226 Difference]: Without dead ends: 3858 [2018-12-09 17:28:20,204 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 17:28:20,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3858 states. [2018-12-09 17:28:20,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3858 to 3856. [2018-12-09 17:28:20,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3856 states. [2018-12-09 17:28:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 4479 transitions. [2018-12-09 17:28:20,273 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 4479 transitions. Word has length 188 [2018-12-09 17:28:20,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:20,273 INFO L480 AbstractCegarLoop]: Abstraction has 3856 states and 4479 transitions. [2018-12-09 17:28:20,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:28:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 4479 transitions. [2018-12-09 17:28:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 17:28:20,281 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:20,281 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:20,281 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:20,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:20,282 INFO L82 PathProgramCache]: Analyzing trace with hash -116331887, now seen corresponding path program 1 times [2018-12-09 17:28:20,282 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:20,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:20,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:20,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:20,283 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 17:28:20,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:20,389 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:28:20,389 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-09 17:28:20,389 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 17:28:20,391 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:28:20,391 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:28:20,698 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:28:20,698 INFO L272 AbstractInterpreter]: Visited 114 different actions 456 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6568 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6568 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 17:28:20,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:20,700 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:28:20,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:20,700 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:28:20,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:20,708 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:28:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:20,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:28:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 17:28:20,793 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:28:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 38 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 17:28:20,853 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:28:20,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 17:28:20,854 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:28:20,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 17:28:20,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 17:28:20,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 17:28:20,854 INFO L87 Difference]: Start difference. First operand 3856 states and 4479 transitions. Second operand 11 states. [2018-12-09 17:28:21,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:21,832 INFO L93 Difference]: Finished difference Result 8906 states and 10417 transitions. [2018-12-09 17:28:21,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:28:21,833 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2018-12-09 17:28:21,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:21,841 INFO L225 Difference]: With dead ends: 8906 [2018-12-09 17:28:21,841 INFO L226 Difference]: Without dead ends: 5602 [2018-12-09 17:28:21,844 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 393 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:28:21,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5602 states. [2018-12-09 17:28:21,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5602 to 5318. [2018-12-09 17:28:21,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5318 states. [2018-12-09 17:28:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 6112 transitions. [2018-12-09 17:28:21,903 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 6112 transitions. Word has length 196 [2018-12-09 17:28:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:21,903 INFO L480 AbstractCegarLoop]: Abstraction has 5318 states and 6112 transitions. [2018-12-09 17:28:21,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 17:28:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 6112 transitions. [2018-12-09 17:28:21,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 17:28:21,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:21,909 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:21,909 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:21,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:21,909 INFO L82 PathProgramCache]: Analyzing trace with hash 89106555, now seen corresponding path program 2 times [2018-12-09 17:28:21,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:21,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:21,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:21,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:21,910 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 47 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 17:28:21,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:21,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:28:21,999 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 17:28:21,999 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 17:28:21,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:21,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:28:22,005 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 17:28:22,006 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 17:28:22,050 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-09 17:28:22,050 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 17:28:22,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:28:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:28:22,081 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:28:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:28:22,158 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:28:22,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-09 17:28:22,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:22,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:28:22,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:28:22,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:28:22,160 INFO L87 Difference]: Start difference. First operand 5318 states and 6112 transitions. Second operand 3 states. [2018-12-09 17:28:22,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:22,457 INFO L93 Difference]: Finished difference Result 12399 states and 14497 transitions. [2018-12-09 17:28:22,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:28:22,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2018-12-09 17:28:22,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:22,475 INFO L225 Difference]: With dead ends: 12399 [2018-12-09 17:28:22,475 INFO L226 Difference]: Without dead ends: 7359 [2018-12-09 17:28:22,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:28:22,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7359 states. [2018-12-09 17:28:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7359 to 7089. [2018-12-09 17:28:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7089 states. [2018-12-09 17:28:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7089 states to 7089 states and 8170 transitions. [2018-12-09 17:28:22,609 INFO L78 Accepts]: Start accepts. Automaton has 7089 states and 8170 transitions. Word has length 196 [2018-12-09 17:28:22,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:22,610 INFO L480 AbstractCegarLoop]: Abstraction has 7089 states and 8170 transitions. [2018-12-09 17:28:22,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:28:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 7089 states and 8170 transitions. [2018-12-09 17:28:22,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 17:28:22,617 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:22,617 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:22,617 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:22,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:22,618 INFO L82 PathProgramCache]: Analyzing trace with hash 840702490, now seen corresponding path program 1 times [2018-12-09 17:28:22,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:22,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:22,618 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 17:28:22,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:22,618 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 17:28:22,687 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:22,687 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:28:22,687 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-12-09 17:28:22,687 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 17:28:22,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:28:22,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:28:22,952 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:28:22,952 INFO L272 AbstractInterpreter]: Visited 115 different actions 568 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Performed 8141 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8141 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 17:28:22,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:22,954 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:28:22,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:22,954 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:28:22,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:22,960 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:28:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:23,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:28:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 17:28:23,041 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:28:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 17:28:23,112 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:28:23,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 17:28:23,112 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:28:23,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:28:23,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:28:23,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:28:23,113 INFO L87 Difference]: Start difference. First operand 7089 states and 8170 transitions. Second operand 9 states. [2018-12-09 17:28:23,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:23,890 INFO L93 Difference]: Finished difference Result 15421 states and 18630 transitions. [2018-12-09 17:28:23,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 17:28:23,890 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 215 [2018-12-09 17:28:23,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:23,907 INFO L225 Difference]: With dead ends: 15421 [2018-12-09 17:28:23,907 INFO L226 Difference]: Without dead ends: 8886 [2018-12-09 17:28:23,914 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 431 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2018-12-09 17:28:23,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8886 states. [2018-12-09 17:28:24,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8886 to 8872. [2018-12-09 17:28:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8872 states. [2018-12-09 17:28:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 10833 transitions. [2018-12-09 17:28:24,033 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 10833 transitions. Word has length 215 [2018-12-09 17:28:24,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:24,034 INFO L480 AbstractCegarLoop]: Abstraction has 8872 states and 10833 transitions. [2018-12-09 17:28:24,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:28:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 10833 transitions. [2018-12-09 17:28:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 17:28:24,045 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:28:24,046 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:28:24,046 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:28:24,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:24,046 INFO L82 PathProgramCache]: Analyzing trace with hash -488488215, now seen corresponding path program 1 times [2018-12-09 17:28:24,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:28:24,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:24,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:28:24,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:28:24,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:28:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 122 proven. 65 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 17:28:24,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:28:24,141 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:28:24,141 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-12-09 17:28:24,141 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 17:28:24,143 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:28:24,143 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:28:24,476 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:28:24,476 INFO L272 AbstractInterpreter]: Visited 113 different actions 561 times. Merged at 8 different actions 36 times. Widened at 1 different actions 1 times. Performed 7910 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7910 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 17:28:24,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:28:24,478 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:28:24,643 INFO L227 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 83.62% of their original sizes. [2018-12-09 17:28:24,643 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:28:24,669 INFO L418 sIntCurrentIteration]: We unified 220 AI predicates to 220 [2018-12-09 17:28:24,670 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:28:24,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:28:24,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 17:28:24,670 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:28:24,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:28:24,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:28:24,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:28:24,670 INFO L87 Difference]: Start difference. First operand 8872 states and 10833 transitions. Second operand 9 states. [2018-12-09 17:28:26,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:28:26,805 INFO L93 Difference]: Finished difference Result 13186 states and 16128 transitions. [2018-12-09 17:28:26,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 17:28:26,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 221 [2018-12-09 17:28:26,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:28:26,805 INFO L225 Difference]: With dead ends: 13186 [2018-12-09 17:28:26,805 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:28:26,828 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-12-09 17:28:26,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:28:26,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:28:26,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:28:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:28:26,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2018-12-09 17:28:26,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:28:26,829 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:28:26,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:28:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:28:26,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:28:26,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:28:26,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:26,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:26,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:26,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:26,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:26,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,362 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 176 [2018-12-09 17:28:27,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:28:27,691 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 193 [2018-12-09 17:28:29,065 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 278 DAG size of output: 101 [2018-12-09 17:28:29,577 WARN L180 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 71 [2018-12-09 17:28:30,333 WARN L180 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 73 [2018-12-09 17:28:30,334 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:28:30,334 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-12-09 17:28:30,334 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:28:30,334 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 17:28:30,334 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 17:28:30,334 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,334 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 17:28:30,335 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 17:28:30,336 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 17:28:30,337 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 17:28:30,338 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 17:28:30,339 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,340 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 17:28:30,341 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~a21~0)|))) (.cse11 (not (= 1 |old(~a20~0)|))) (.cse4 (= 0 |old(~a16~0)|)) (.cse5 (not (= 8 ~a12~0))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse8 (= 0 |old(~a8~0)|)) (.cse14 (not (= 1 |old(~a17~0)|))) (.cse27 (= ~a21~0 1)) (.cse20 (= ~a7~0 |old(~a7~0)|)) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse21 (= |old(~a8~0)| ~a8~0)) (.cse19 (= |old(~a20~0)| ~a20~0)) (.cse24 (= |old(~a16~0)| ~a16~0)) (.cse2 (<= ~a17~0 0)) (.cse16 (= 6 |old(~a16~0)|)) (.cse17 (< 13 |old(~a8~0)|))) (let ((.cse13 (not (= 15 |old(~a8~0)|))) (.cse25 (or .cse16 .cse17)) (.cse18 (not (= 1 |old(~a7~0)|))) (.cse6 (< 0 |old(~a17~0)|)) (.cse23 (and (= 1 ~a7~0) .cse21 .cse19 .cse24 .cse2)) (.cse10 (not .cse16)) (.cse3 (= 13 |old(~a8~0)|)) (.cse9 (< 0 |old(~a20~0)|)) (.cse12 (and .cse19 .cse27 .cse20 .cse21 .cse22)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse26 (or .cse1 .cse11 .cse4 .cse5 .cse7 .cse8 .cse14)) (.cse15 (= ~a17~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse0 .cse1 .cse11 .cse3 .cse5 .cse12 .cse7 .cse8) (or .cse7 (or .cse0 .cse1 .cse13 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse5 .cse14) .cse15) (or .cse16 .cse0 .cse1 .cse12 .cse4 .cse5 .cse7 .cse8 .cse9) (or .cse17 .cse11 .cse18 .cse6 (and .cse19 .cse2 .cse20 .cse21 .cse22)) (or (or .cse16 (= 4 |old(~a16~0)|) .cse3 .cse18) .cse6 .cse23) (or (and .cse20 .cse21 .cse19 .cse24) .cse25) (or .cse11 .cse6 .cse2 .cse25) (or (= ~a17~0 0) .cse7 (or .cse10 .cse0 .cse1 .cse11 .cse13 (not (= 0 |old(~a17~0)|)) .cse5)) (or .cse10 .cse0 .cse1 .cse3 .cse5 .cse6 .cse7 .cse2 .cse11 .cse8) (or .cse26 .cse17 (and .cse20 (and .cse21 .cse24 .cse15 .cse27 (= ~a20~0 1)))) (or .cse16 .cse0 .cse1 .cse11 (and .cse19 .cse2 .cse27 .cse20 .cse21 .cse22) .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse4 (and .cse2 .cse27) .cse5 (< |old(~a20~0)| 1) .cse6 .cse7 .cse8 .cse25) (or (or .cse16 .cse3 .cse18 .cse6 .cse9) .cse23) (or .cse10 .cse0 .cse1 .cse3 .cse5 .cse7 .cse8 .cse9 .cse12) (or .cse0 .cse26 (and .cse20 (and .cse21 .cse15) .cse19 .cse22 .cse27))))) [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 479) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 17:28:30,342 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,343 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-09 17:28:30,344 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 17:28:30,344 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse6 (= ~a16~0 6)) (.cse10 (not (= ~a16~0 0))) (.cse2 (not (= main_~input~0 0))) (.cse4 (not (= ~a8~0 0))) (.cse5 (= ~a21~0 1))) (let ((.cse9 (and .cse10 .cse2 .cse4 (= ~a17~0 1) (= ~a12~0 8) .cse5 (= ~a20~0 1))) (.cse7 (not (= ~a8~0 13))) (.cse0 (<= ~a8~0 13)) (.cse12 (= 1 ~a7~0)) (.cse11 (<= ~a20~0 0)) (.cse3 (= 1 ~a20~0)) (.cse13 (<= ~a17~0 0)) (.cse8 (= ~a7~0 0)) (.cse1 (not .cse6))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse9) (and .cse8 .cse9) (and .cse8 .cse10 .cse2 .cse4 .cse5 .cse7 .cse11) (and (and .cse12 (and .cse1 (not (= ~a16~0 4)))) .cse13) (not (= 0 |old(~a7~0)|)) (and .cse0 .cse12 .cse3 .cse13) (and .cse12 .cse1 .cse13 .cse11) (and .cse10 .cse2 .cse3 .cse13 .cse5 .cse8 .cse1) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|))))) [2018-12-09 17:28:30,344 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 17:28:30,345 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 17:28:30,345 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (not (= ~a16~0 0))) (.cse1 (not (= ~a8~0 0))) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a16~0 6))) (let ((.cse4 (not (= ~a8~0 13))) (.cse8 (not (= main_~input~0 0))) (.cse9 (= 1 ~a20~0)) (.cse12 (= 1 ~a7~0)) (.cse7 (not .cse3)) (.cse11 (<= ~a17~0 0)) (.cse5 (<= ~a20~0 0)) (.cse6 (<= ~a8~0 13)) (.cse0 (= ~a7~0 0)) (.cse13 (and .cse10 .cse1 (= ~a17~0 1) (= ~a12~0 8) .cse2 (= ~a20~0 1)))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7) (not (= 1 |old(~a20~0)|)) (and .cse8 .cse9 .cse1 .cse2 .cse3 .cse4 .cse0) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse10 .cse7 .cse11 .cse2 .cse5) (and .cse0 .cse10 .cse9 .cse7 .cse11 .cse2) (and (and .cse12 (and .cse7 (not (= ~a16~0 4)))) .cse11) (and .cse0 .cse10 .cse8 .cse7 .cse2 .cse5) (not (= 0 |old(~a7~0)|)) (and .cse6 .cse12 .cse9 .cse11) (and .cse12 .cse7 .cse11 .cse5) (not (= 1 |old(~a17~0)|)) (and .cse6 .cse13) (not (= 15 |old(~a8~0)|)) (and .cse0 .cse13)))) [2018-12-09 17:28:30,345 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 17:28:30,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:28:30 BoogieIcfgContainer [2018-12-09 17:28:30,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:28:30,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:28:30,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:28:30,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:28:30,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:28:07" (3/4) ... [2018-12-09 17:28:30,359 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:28:30,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:28:30,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 17:28:30,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:28:30,374 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 17:28:30,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 17:28:30,394 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || (((((a7 == 0 && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a20 <= 0)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || ((((((!(input == 0) && 1 == a20) && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a7 == 0)) || !(5 == \old(a16))) || (((((a7 == 0 && !(a16 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && 1 == a20) && !(a16 == 6)) && a17 <= 0) && a21 == 1)) || ((1 == a7 && !(a16 == 6) && !(a16 == 4)) && a17 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && !(input == 0)) && !(a16 == 6)) && a21 == 1) && a20 <= 0)) || !(0 == \old(a7))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || (((1 == a7 && !(a16 == 6)) && a17 <= 0) && a20 <= 0)) || !(1 == \old(a17))) || (a8 <= 13 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || !(15 == \old(a8))) || (a7 == 0 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) [2018-12-09 17:28:30,453 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_554ed613-f554-481f-a69e-76aab3cc2ec0/bin-2019/utaipan/witness.graphml [2018-12-09 17:28:30,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:28:30,454 INFO L168 Benchmark]: Toolchain (without parser) took 23838.65 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 945.5 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. [2018-12-09 17:28:30,455 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:28:30,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:28:30,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:28:30,455 INFO L168 Benchmark]: Boogie Preprocessor took 36.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:28:30,456 INFO L168 Benchmark]: RCFGBuilder took 613.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.0 MB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:28:30,456 INFO L168 Benchmark]: TraceAbstraction took 22757.39 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 997.0 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-09 17:28:30,456 INFO L168 Benchmark]: Witness Printer took 97.61 ms. Allocated memory is still 2.4 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:28:30,457 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 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 613.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 997.0 MB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22757.39 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 997.0 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 97.61 ms. Allocated memory is still 2.4 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 479]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || (((((a7 == 0 && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a20 <= 0)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || ((((((!(input == 0) && 1 == a20) && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a7 == 0)) || !(5 == \old(a16))) || (((((a7 == 0 && !(a16 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && 1 == a20) && !(a16 == 6)) && a17 <= 0) && a21 == 1)) || ((1 == a7 && !(a16 == 6) && !(a16 == 4)) && a17 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && !(input == 0)) && !(a16 == 6)) && a21 == 1) && a20 <= 0)) || !(0 == \old(a7))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || (((1 == a7 && !(a16 == 6)) && a17 <= 0) && a20 <= 0)) || !(1 == \old(a17))) || (a8 <= 13 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || !(15 == \old(a8))) || (a7 == 0 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 22.6s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 13.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 680 SDtfs, 7385 SDslu, 726 SDs, 0 SdLazy, 10930 SolverSat, 1553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2359 GetRequests, 2199 SyntacticMatches, 10 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8872occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9968893462041342 AbsIntWeakeningRatio, 0.22931785195936139 AbsIntAvgWeakeningVarsNumRemoved, 29.378809869375907 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1844 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 377 PreInvPairs, 677 NumberOfFragments, 1168 HoareAnnotationTreeSize, 377 FomulaSimplifications, 42058 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 21130 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2685 NumberOfCodeBlocks, 2621 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3424 ConstructedInterpolants, 0 QuantifiedInterpolants, 1217130 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2105 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 6 PerfectInterpolantSequences, 1949/2189 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...