./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label50_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_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/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 84719fa7c370f946c431f46475b54ba30487ebc7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:33:28,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:33:28,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:33:28,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:33:28,510 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:33:28,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:33:28,512 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:33:28,512 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:33:28,513 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:33:28,514 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:33:28,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:33:28,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:33:28,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:33:28,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:33:28,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:33:28,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:33:28,516 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:33:28,517 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:33:28,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:33:28,519 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:33:28,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:33:28,520 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:33:28,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:33:28,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:33:28,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:33:28,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:33:28,522 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:33:28,523 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:33:28,523 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:33:28,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:33:28,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:33:28,524 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:33:28,524 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:33:28,524 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:33:28,525 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:33:28,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:33:28,525 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:33:28,532 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:33:28,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:33:28,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:33:28,533 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:33:28,533 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:33:28,533 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:33:28,533 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:33:28,533 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:33:28,533 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:33:28,533 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:33:28,533 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:33:28,533 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:33:28,534 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:33:28,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:33:28,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:33:28,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:33:28,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:33:28,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:33:28,534 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:33:28,534 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:33:28,534 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:33:28,535 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:33:28,535 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:33:28,535 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:33:28,536 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:33:28,536 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:33:28,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:33:28,536 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:33:28,536 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_daa82a05-4d83-4997-b38a-4a240733f742/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 -> 84719fa7c370f946c431f46475b54ba30487ebc7 [2018-12-09 19:33:28,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:33:28,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:33:28,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:33:28,562 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:33:28,562 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:33:28,563 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-12-09 19:33:28,598 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/data/f663e98cd/6ee7fe58c7c849ffa3d7e8d910f442b6/FLAG2f059aa24 [2018-12-09 19:33:29,110 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:33:29,110 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-12-09 19:33:29,118 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/data/f663e98cd/6ee7fe58c7c849ffa3d7e8d910f442b6/FLAG2f059aa24 [2018-12-09 19:33:29,633 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/data/f663e98cd/6ee7fe58c7c849ffa3d7e8d910f442b6 [2018-12-09 19:33:29,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:33:29,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:33:29,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:33:29,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:33:29,640 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:33:29,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:29,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343f3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29, skipping insertion in model container [2018-12-09 19:33:29,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:29,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:33:29,682 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:33:29,876 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:33:29,879 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:33:29,989 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:33:29,998 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:33:29,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29 WrapperNode [2018-12-09 19:33:29,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:33:29,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:33:29,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:33:29,999 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:33:30,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:33:30,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:33:30,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:33:30,020 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:33:30,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... [2018-12-09 19:33:30,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:33:30,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:33:30,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:33:30,072 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:33:30,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/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 19:33:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:33:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:33:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 19:33:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 19:33:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:33:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:33:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:33:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:33:30,811 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:33:30,811 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:33:30,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:33:30 BoogieIcfgContainer [2018-12-09 19:33:30,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:33:30,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:33:30,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:33:30,815 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:33:30,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:33:29" (1/3) ... [2018-12-09 19:33:30,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24502642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:33:30, skipping insertion in model container [2018-12-09 19:33:30,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:33:29" (2/3) ... [2018-12-09 19:33:30,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24502642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:33:30, skipping insertion in model container [2018-12-09 19:33:30,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:33:30" (3/3) ... [2018-12-09 19:33:30,818 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50_true-unreach-call_false-termination.c [2018-12-09 19:33:30,826 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:33:30,832 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:33:30,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:33:30,874 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:33:30,874 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:33:30,874 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:33:30,874 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:33:30,874 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:33:30,874 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:33:30,874 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:33:30,875 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:33:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-09 19:33:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 19:33:30,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:33:30,901 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] [2018-12-09 19:33:30,903 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:33:30,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:33:30,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1557712066, now seen corresponding path program 1 times [2018-12-09 19:33:30,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:33:30,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:30,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:33:30,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:30,943 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:33:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:33:31,099 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 19:33:31,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:33:31,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:33:31,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:33:31,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:33:31,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:33:31,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:33:31,120 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-09 19:33:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:33:31,727 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-09 19:33:31,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:33:31,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-12-09 19:33:31,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:33:31,737 INFO L225 Difference]: With dead ends: 688 [2018-12-09 19:33:31,737 INFO L226 Difference]: Without dead ends: 372 [2018-12-09 19:33:31,740 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 19:33:31,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-09 19:33:31,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-09 19:33:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-09 19:33:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2018-12-09 19:33:31,797 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 43 [2018-12-09 19:33:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:33:31,797 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2018-12-09 19:33:31,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:33:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2018-12-09 19:33:31,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 19:33:31,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:33:31,801 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, 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] [2018-12-09 19:33:31,802 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:33:31,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:33:31,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1883069890, now seen corresponding path program 1 times [2018-12-09 19:33:31,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:33:31,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:31,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:33:31,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:31,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:33:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:33:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:33:31,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:33:31,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:33:31,931 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:33:31,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:33:31,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:33:31,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:33:31,933 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2018-12-09 19:33:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:33:32,514 INFO L93 Difference]: Finished difference Result 936 states and 1526 transitions. [2018-12-09 19:33:32,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:33:32,515 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-09 19:33:32,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:33:32,519 INFO L225 Difference]: With dead ends: 936 [2018-12-09 19:33:32,520 INFO L226 Difference]: Without dead ends: 570 [2018-12-09 19:33:32,521 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 19:33:32,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-12-09 19:33:32,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2018-12-09 19:33:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2018-12-09 19:33:32,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 814 transitions. [2018-12-09 19:33:32,547 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 814 transitions. Word has length 129 [2018-12-09 19:33:32,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:33:32,547 INFO L480 AbstractCegarLoop]: Abstraction has 562 states and 814 transitions. [2018-12-09 19:33:32,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:33:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 814 transitions. [2018-12-09 19:33:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 19:33:32,549 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:33:32,549 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, 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] [2018-12-09 19:33:32,550 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:33:32,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:33:32,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1079220531, now seen corresponding path program 1 times [2018-12-09 19:33:32,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:33:32,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:32,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:33:32,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:32,551 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:33:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:33:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:33:32,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:33:32,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:33:32,635 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:33:32,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:33:32,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:33:32,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:33:32,636 INFO L87 Difference]: Start difference. First operand 562 states and 814 transitions. Second operand 4 states. [2018-12-09 19:33:33,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:33:33,394 INFO L93 Difference]: Finished difference Result 2220 states and 3286 transitions. [2018-12-09 19:33:33,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:33:33,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-12-09 19:33:33,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:33:33,402 INFO L225 Difference]: With dead ends: 2220 [2018-12-09 19:33:33,402 INFO L226 Difference]: Without dead ends: 1664 [2018-12-09 19:33:33,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:33:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2018-12-09 19:33:33,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2018-12-09 19:33:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2018-12-09 19:33:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2308 transitions. [2018-12-09 19:33:33,432 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2308 transitions. Word has length 138 [2018-12-09 19:33:33,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:33:33,432 INFO L480 AbstractCegarLoop]: Abstraction has 1664 states and 2308 transitions. [2018-12-09 19:33:33,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:33:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2308 transitions. [2018-12-09 19:33:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 19:33:33,436 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:33:33,436 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:33:33,437 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:33:33,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:33:33,437 INFO L82 PathProgramCache]: Analyzing trace with hash 762391661, now seen corresponding path program 1 times [2018-12-09 19:33:33,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:33:33,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:33,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:33:33,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:33,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:33:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:33:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 145 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:33:33,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:33:33,920 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:33:33,921 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 275 with the following transitions: [2018-12-09 19:33:33,922 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [694], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:33:33,948 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:33:33,948 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:33:35,742 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:33:35,743 INFO L272 AbstractInterpreter]: Visited 124 different actions 124 times. Never merged. Never widened. Performed 1139 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1139 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 19:33:35,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:33:35,752 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:33:37,355 INFO L227 lantSequenceWeakener]: Weakened 265 states. On average, predicates are now at 77.71% of their original sizes. [2018-12-09 19:33:37,355 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:33:37,379 INFO L418 sIntCurrentIteration]: We unified 273 AI predicates to 273 [2018-12-09 19:33:37,380 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:33:37,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:33:37,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2018-12-09 19:33:37,380 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:33:37,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:33:37,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:33:37,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:33:37,381 INFO L87 Difference]: Start difference. First operand 1664 states and 2308 transitions. Second operand 6 states. [2018-12-09 19:33:46,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:33:46,357 INFO L93 Difference]: Finished difference Result 3505 states and 4867 transitions. [2018-12-09 19:33:46,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:33:46,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 274 [2018-12-09 19:33:46,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:33:46,363 INFO L225 Difference]: With dead ends: 3505 [2018-12-09 19:33:46,363 INFO L226 Difference]: Without dead ends: 1847 [2018-12-09 19:33:46,366 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 274 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:33:46,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2018-12-09 19:33:46,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1846. [2018-12-09 19:33:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1846 states. [2018-12-09 19:33:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2498 transitions. [2018-12-09 19:33:46,410 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2498 transitions. Word has length 274 [2018-12-09 19:33:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:33:46,410 INFO L480 AbstractCegarLoop]: Abstraction has 1846 states and 2498 transitions. [2018-12-09 19:33:46,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:33:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2498 transitions. [2018-12-09 19:33:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-09 19:33:46,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:33:46,417 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-12-09 19:33:46,417 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:33:46,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:33:46,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1515376597, now seen corresponding path program 1 times [2018-12-09 19:33:46,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:33:46,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:46,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:33:46,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:33:46,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:33:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:33:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 194 proven. 190 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:33:46,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:33:46,856 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:33:46,856 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 359 with the following transitions: [2018-12-09 19:33:46,857 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [694], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:33:46,859 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:33:46,859 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:33:49,761 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:33:49,761 INFO L272 AbstractInterpreter]: Visited 128 different actions 249 times. Merged at 3 different actions 3 times. Never widened. Performed 2357 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2357 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 19:33:49,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:33:49,764 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:33:51,294 INFO L227 lantSequenceWeakener]: Weakened 355 states. On average, predicates are now at 77.65% of their original sizes. [2018-12-09 19:33:51,294 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:33:51,338 INFO L418 sIntCurrentIteration]: We unified 357 AI predicates to 357 [2018-12-09 19:33:51,338 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:33:51,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:33:51,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-09 19:33:51,339 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:33:51,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:33:51,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:33:51,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:33:51,340 INFO L87 Difference]: Start difference. First operand 1846 states and 2498 transitions. Second operand 10 states. [2018-12-09 19:34:18,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:18,564 INFO L93 Difference]: Finished difference Result 3902 states and 5307 transitions. [2018-12-09 19:34:18,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 19:34:18,564 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 358 [2018-12-09 19:34:18,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:18,569 INFO L225 Difference]: With dead ends: 3902 [2018-12-09 19:34:18,569 INFO L226 Difference]: Without dead ends: 2029 [2018-12-09 19:34:18,572 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 366 GetRequests, 349 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 19:34:18,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2018-12-09 19:34:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 2028. [2018-12-09 19:34:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2028 states. [2018-12-09 19:34:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 2684 transitions. [2018-12-09 19:34:18,613 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 2684 transitions. Word has length 358 [2018-12-09 19:34:18,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:18,614 INFO L480 AbstractCegarLoop]: Abstraction has 2028 states and 2684 transitions. [2018-12-09 19:34:18,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:34:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2684 transitions. [2018-12-09 19:34:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2018-12-09 19:34:18,619 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:18,619 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:18,620 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:18,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1036270406, now seen corresponding path program 1 times [2018-12-09 19:34:18,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:18,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:18,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:18,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:18,621 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 337 proven. 250 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 19:34:19,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:34:19,064 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:34:19,064 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 458 with the following transitions: [2018-12-09 19:34:19,065 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [694], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:34:19,067 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:34:19,067 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:34:21,776 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:34:21,777 INFO L272 AbstractInterpreter]: Visited 129 different actions 252 times. Merged at 4 different actions 4 times. Never widened. Performed 2349 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2349 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 19:34:21,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:21,778 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:34:23,286 INFO L227 lantSequenceWeakener]: Weakened 454 states. On average, predicates are now at 77.59% of their original sizes. [2018-12-09 19:34:23,286 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:34:23,318 INFO L418 sIntCurrentIteration]: We unified 456 AI predicates to 456 [2018-12-09 19:34:23,318 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:34:23,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:34:23,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-09 19:34:23,318 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:23,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:34:23,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:34:23,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:34:23,319 INFO L87 Difference]: Start difference. First operand 2028 states and 2684 transitions. Second operand 10 states. [2018-12-09 19:34:41,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:34:41,642 INFO L93 Difference]: Finished difference Result 3690 states and 4989 transitions. [2018-12-09 19:34:41,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 19:34:41,643 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 457 [2018-12-09 19:34:41,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:34:41,647 INFO L225 Difference]: With dead ends: 3690 [2018-12-09 19:34:41,647 INFO L226 Difference]: Without dead ends: 2032 [2018-12-09 19:34:41,649 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 464 GetRequests, 448 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 19:34:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2018-12-09 19:34:41,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 2030. [2018-12-09 19:34:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2030 states. [2018-12-09 19:34:41,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2677 transitions. [2018-12-09 19:34:41,681 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2677 transitions. Word has length 457 [2018-12-09 19:34:41,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:34:41,681 INFO L480 AbstractCegarLoop]: Abstraction has 2030 states and 2677 transitions. [2018-12-09 19:34:41,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:34:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2677 transitions. [2018-12-09 19:34:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2018-12-09 19:34:41,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:34:41,686 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:34:41,686 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:34:41,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:41,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1555619278, now seen corresponding path program 1 times [2018-12-09 19:34:41,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:34:41,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:41,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:34:41,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:34:41,687 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:34:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:34:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 372 proven. 112 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-09 19:34:41,975 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:34:41,975 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:34:41,975 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 494 with the following transitions: [2018-12-09 19:34:41,975 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [694], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:34:41,977 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:34:41,977 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:34:48,299 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:34:48,299 INFO L272 AbstractInterpreter]: Visited 129 different actions 384 times. Merged at 6 different actions 17 times. Never widened. Performed 3780 root evaluator evaluations with a maximum evaluation depth of 22. Performed 3780 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 19:34:48,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:34:48,301 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:34:49,205 INFO L227 lantSequenceWeakener]: Weakened 490 states. On average, predicates are now at 80.17% of their original sizes. [2018-12-09 19:34:49,205 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:34:49,251 INFO L418 sIntCurrentIteration]: We unified 492 AI predicates to 492 [2018-12-09 19:34:49,251 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:34:49,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:34:49,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 19:34:49,252 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:34:49,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:34:49,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:34:49,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:34:49,252 INFO L87 Difference]: Start difference. First operand 2030 states and 2677 transitions. Second operand 10 states. [2018-12-09 19:35:06,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:35:06,666 INFO L93 Difference]: Finished difference Result 4443 states and 6020 transitions. [2018-12-09 19:35:06,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 19:35:06,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 493 [2018-12-09 19:35:06,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:35:06,671 INFO L225 Difference]: With dead ends: 4443 [2018-12-09 19:35:06,671 INFO L226 Difference]: Without dead ends: 2785 [2018-12-09 19:35:06,673 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 503 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 19:35:06,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2018-12-09 19:35:06,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2584. [2018-12-09 19:35:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2584 states. [2018-12-09 19:35:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 3392 transitions. [2018-12-09 19:35:06,703 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 3392 transitions. Word has length 493 [2018-12-09 19:35:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:35:06,703 INFO L480 AbstractCegarLoop]: Abstraction has 2584 states and 3392 transitions. [2018-12-09 19:35:06,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:35:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3392 transitions. [2018-12-09 19:35:06,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2018-12-09 19:35:06,707 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:35:06,707 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-12-09 19:35:06,707 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:35:06,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:06,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1389153211, now seen corresponding path program 1 times [2018-12-09 19:35:06,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:35:06,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:06,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:06,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:06,709 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:35:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 373 proven. 329 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 19:35:07,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:07,342 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:35:07,342 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 561 with the following transitions: [2018-12-09 19:35:07,342 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:35:07,344 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:35:07,345 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:35:11,346 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:35:11,346 INFO L272 AbstractInterpreter]: Visited 190 different actions 758 times. Merged at 8 different actions 31 times. Widened at 1 different actions 1 times. Performed 8331 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8331 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 19:35:11,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:11,349 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:35:11,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:11,349 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/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 19:35:11,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:11,355 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:35:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:11,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:35:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 665 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-09 19:35:11,670 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:35:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 372 proven. 119 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-12-09 19:35:12,061 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:35:12,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 20 [2018-12-09 19:35:12,061 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:35:12,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 19:35:12,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 19:35:12,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-12-09 19:35:12,062 INFO L87 Difference]: Start difference. First operand 2584 states and 3392 transitions. Second operand 17 states. [2018-12-09 19:35:15,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:35:15,006 INFO L93 Difference]: Finished difference Result 4894 states and 6689 transitions. [2018-12-09 19:35:15,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-12-09 19:35:15,007 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 560 [2018-12-09 19:35:15,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:35:15,012 INFO L225 Difference]: With dead ends: 4894 [2018-12-09 19:35:15,012 INFO L226 Difference]: Without dead ends: 2682 [2018-12-09 19:35:15,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1194 GetRequests, 1141 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=620, Invalid=2350, Unknown=0, NotChecked=0, Total=2970 [2018-12-09 19:35:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2018-12-09 19:35:15,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2248. [2018-12-09 19:35:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2248 states. [2018-12-09 19:35:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 2248 states and 2756 transitions. [2018-12-09 19:35:15,045 INFO L78 Accepts]: Start accepts. Automaton has 2248 states and 2756 transitions. Word has length 560 [2018-12-09 19:35:15,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:35:15,046 INFO L480 AbstractCegarLoop]: Abstraction has 2248 states and 2756 transitions. [2018-12-09 19:35:15,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 19:35:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2756 transitions. [2018-12-09 19:35:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2018-12-09 19:35:15,049 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:35:15,049 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:35:15,049 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:35:15,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:15,050 INFO L82 PathProgramCache]: Analyzing trace with hash 329308914, now seen corresponding path program 1 times [2018-12-09 19:35:15,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:35:15,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:15,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:15,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:15,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:35:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 491 proven. 458 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 19:35:15,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:15,595 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:35:15,595 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 566 with the following transitions: [2018-12-09 19:35:15,595 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [694], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:35:15,597 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:35:15,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:35:22,601 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:35:22,601 INFO L272 AbstractInterpreter]: Visited 131 different actions 519 times. Merged at 8 different actions 28 times. Never widened. Performed 5200 root evaluator evaluations with a maximum evaluation depth of 22. Performed 5200 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 19:35:22,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:22,603 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:35:22,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:22,603 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/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 19:35:22,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:22,609 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:35:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:22,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:35:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 841 proven. 2 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-09 19:35:22,917 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:35:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 487 proven. 112 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2018-12-09 19:35:23,246 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:35:23,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-09 19:35:23,247 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:35:23,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 19:35:23,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 19:35:23,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:35:23,248 INFO L87 Difference]: Start difference. First operand 2248 states and 2756 transitions. Second operand 17 states. [2018-12-09 19:35:24,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:35:24,902 INFO L93 Difference]: Finished difference Result 4550 states and 5815 transitions. [2018-12-09 19:35:24,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-09 19:35:24,903 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 565 [2018-12-09 19:35:24,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:35:24,907 INFO L225 Difference]: With dead ends: 4550 [2018-12-09 19:35:24,907 INFO L226 Difference]: Without dead ends: 2535 [2018-12-09 19:35:24,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 1136 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=1376, Unknown=0, NotChecked=0, Total=1806 [2018-12-09 19:35:24,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2535 states. [2018-12-09 19:35:24,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2535 to 2434. [2018-12-09 19:35:24,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2434 states. [2018-12-09 19:35:24,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 2638 transitions. [2018-12-09 19:35:24,937 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 2638 transitions. Word has length 565 [2018-12-09 19:35:24,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:35:24,937 INFO L480 AbstractCegarLoop]: Abstraction has 2434 states and 2638 transitions. [2018-12-09 19:35:24,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 19:35:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 2638 transitions. [2018-12-09 19:35:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2018-12-09 19:35:24,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:35:24,941 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2018-12-09 19:35:24,941 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:35:24,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:24,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1527480881, now seen corresponding path program 2 times [2018-12-09 19:35:24,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:35:24,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:24,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:24,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:24,942 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:35:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 525 proven. 119 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2018-12-09 19:35:25,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:25,221 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:35:25,221 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 19:35:25,221 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 19:35:25,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:25,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/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 19:35:25,227 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 19:35:25,227 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 19:35:25,293 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-12-09 19:35:25,293 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 19:35:25,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:35:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 635 proven. 2 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2018-12-09 19:35:25,432 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:35:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 635 proven. 2 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2018-12-09 19:35:25,779 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:35:25,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 19:35:25,779 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:35:25,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:35:25,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:35:25,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:35:25,780 INFO L87 Difference]: Start difference. First operand 2434 states and 2638 transitions. Second operand 9 states. [2018-12-09 19:35:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:35:27,651 INFO L93 Difference]: Finished difference Result 6738 states and 8183 transitions. [2018-12-09 19:35:27,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-09 19:35:27,651 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 670 [2018-12-09 19:35:27,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:35:27,661 INFO L225 Difference]: With dead ends: 6738 [2018-12-09 19:35:27,661 INFO L226 Difference]: Without dead ends: 4676 [2018-12-09 19:35:27,664 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1405 GetRequests, 1365 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=321, Invalid=1401, Unknown=0, NotChecked=0, Total=1722 [2018-12-09 19:35:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4676 states. [2018-12-09 19:35:27,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4676 to 4528. [2018-12-09 19:35:27,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4528 states. [2018-12-09 19:35:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4528 states to 4528 states and 4989 transitions. [2018-12-09 19:35:27,720 INFO L78 Accepts]: Start accepts. Automaton has 4528 states and 4989 transitions. Word has length 670 [2018-12-09 19:35:27,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:35:27,721 INFO L480 AbstractCegarLoop]: Abstraction has 4528 states and 4989 transitions. [2018-12-09 19:35:27,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:35:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4528 states and 4989 transitions. [2018-12-09 19:35:27,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2018-12-09 19:35:27,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:35:27,726 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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 19:35:27,726 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:35:27,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:27,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1621433015, now seen corresponding path program 1 times [2018-12-09 19:35:27,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:35:27,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:27,727 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 19:35:27,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:27,727 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:35:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 580 proven. 196 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-12-09 19:35:28,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:28,026 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:35:28,026 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 757 with the following transitions: [2018-12-09 19:35:28,026 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [694], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:35:28,027 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:35:28,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:35:31,954 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:35:31,954 INFO L272 AbstractInterpreter]: Visited 192 different actions 765 times. Merged at 10 different actions 30 times. Never widened. Performed 8419 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8419 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 19:35:31,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:31,957 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:35:31,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:31,958 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/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 19:35:31,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:31,963 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:35:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:32,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:35:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 1253 proven. 2 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2018-12-09 19:35:32,197 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:35:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 580 proven. 196 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-12-09 19:35:32,476 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:35:32,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-12-09 19:35:32,476 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:35:32,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:35:32,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:35:32,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:35:32,477 INFO L87 Difference]: Start difference. First operand 4528 states and 4989 transitions. Second operand 7 states. [2018-12-09 19:35:33,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:35:33,423 INFO L93 Difference]: Finished difference Result 10552 states and 12471 transitions. [2018-12-09 19:35:33,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 19:35:33,424 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 756 [2018-12-09 19:35:33,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:35:33,443 INFO L225 Difference]: With dead ends: 10552 [2018-12-09 19:35:33,443 INFO L226 Difference]: Without dead ends: 6396 [2018-12-09 19:35:33,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1529 GetRequests, 1515 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-12-09 19:35:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6396 states. [2018-12-09 19:35:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6396 to 5442. [2018-12-09 19:35:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5442 states. [2018-12-09 19:35:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5442 states to 5442 states and 5966 transitions. [2018-12-09 19:35:33,518 INFO L78 Accepts]: Start accepts. Automaton has 5442 states and 5966 transitions. Word has length 756 [2018-12-09 19:35:33,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:35:33,518 INFO L480 AbstractCegarLoop]: Abstraction has 5442 states and 5966 transitions. [2018-12-09 19:35:33,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:35:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5442 states and 5966 transitions. [2018-12-09 19:35:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2018-12-09 19:35:33,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:35:33,524 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 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] [2018-12-09 19:35:33,524 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:35:33,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:33,524 INFO L82 PathProgramCache]: Analyzing trace with hash -286101995, now seen corresponding path program 1 times [2018-12-09 19:35:33,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:35:33,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:33,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:33,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:33,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:35:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 625 proven. 1110 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2018-12-09 19:35:34,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:34,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:35:34,605 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 883 with the following transitions: [2018-12-09 19:35:34,605 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:35:34,607 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:35:34,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:35:38,555 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:35:38,555 INFO L272 AbstractInterpreter]: Visited 192 different actions 766 times. Merged at 10 different actions 31 times. Never widened. Performed 8392 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8392 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 10 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 19:35:38,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:38,557 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:35:38,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:38,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:35:38,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:38,563 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:35:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:38,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:35:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1609 proven. 2 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2018-12-09 19:35:39,063 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:35:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 753 proven. 196 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked. [2018-12-09 19:35:39,513 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:35:39,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 20 [2018-12-09 19:35:39,513 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:35:39,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 19:35:39,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 19:35:39,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-12-09 19:35:39,514 INFO L87 Difference]: Start difference. First operand 5442 states and 5966 transitions. Second operand 18 states. [2018-12-09 19:35:42,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:35:42,906 INFO L93 Difference]: Finished difference Result 11682 states and 13025 transitions. [2018-12-09 19:35:42,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-12-09 19:35:42,906 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 882 [2018-12-09 19:35:42,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:35:42,916 INFO L225 Difference]: With dead ends: 11682 [2018-12-09 19:35:42,916 INFO L226 Difference]: Without dead ends: 6612 [2018-12-09 19:35:42,921 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1855 GetRequests, 1790 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1194 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=827, Invalid=3463, Unknown=0, NotChecked=0, Total=4290 [2018-12-09 19:35:42,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6612 states. [2018-12-09 19:35:42,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6612 to 6388. [2018-12-09 19:35:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6388 states. [2018-12-09 19:35:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6388 states to 6388 states and 7013 transitions. [2018-12-09 19:35:42,984 INFO L78 Accepts]: Start accepts. Automaton has 6388 states and 7013 transitions. Word has length 882 [2018-12-09 19:35:42,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:35:42,985 INFO L480 AbstractCegarLoop]: Abstraction has 6388 states and 7013 transitions. [2018-12-09 19:35:42,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 19:35:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 6388 states and 7013 transitions. [2018-12-09 19:35:42,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 916 [2018-12-09 19:35:42,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:35:42,991 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:35:42,991 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:35:42,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:42,991 INFO L82 PathProgramCache]: Analyzing trace with hash 2076292566, now seen corresponding path program 1 times [2018-12-09 19:35:42,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:35:42,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:42,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:42,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:42,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:35:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2459 backedges. 897 proven. 1195 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2018-12-09 19:35:44,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:44,641 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:35:44,641 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 916 with the following transitions: [2018-12-09 19:35:44,641 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [694], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:35:44,643 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:35:44,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:35:48,579 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:35:48,579 INFO L272 AbstractInterpreter]: Visited 193 different actions 770 times. Merged at 10 different actions 31 times. Never widened. Performed 8497 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8497 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 19:35:48,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:48,580 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:35:48,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:48,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:35:48,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:48,591 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:35:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:48,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:35:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2459 backedges. 1649 proven. 2 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2018-12-09 19:35:48,927 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:35:49,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2459 backedges. 786 proven. 196 refuted. 0 times theorem prover too weak. 1477 trivial. 0 not checked. [2018-12-09 19:35:49,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:35:49,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 5, 5] total 27 [2018-12-09 19:35:49,324 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:35:49,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-09 19:35:49,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-09 19:35:49,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2018-12-09 19:35:49,325 INFO L87 Difference]: Start difference. First operand 6388 states and 7013 transitions. Second operand 25 states. [2018-12-09 19:35:55,783 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2018-12-09 19:35:56,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:35:56,059 INFO L93 Difference]: Finished difference Result 13350 states and 14741 transitions. [2018-12-09 19:35:56,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-12-09 19:35:56,059 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 915 [2018-12-09 19:35:56,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:35:56,069 INFO L225 Difference]: With dead ends: 13350 [2018-12-09 19:35:56,069 INFO L226 Difference]: Without dead ends: 7152 [2018-12-09 19:35:56,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1965 GetRequests, 1872 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2488 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1367, Invalid=7189, Unknown=0, NotChecked=0, Total=8556 [2018-12-09 19:35:56,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7152 states. [2018-12-09 19:35:56,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7152 to 6908. [2018-12-09 19:35:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6908 states. [2018-12-09 19:35:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6908 states to 6908 states and 7388 transitions. [2018-12-09 19:35:56,152 INFO L78 Accepts]: Start accepts. Automaton has 6908 states and 7388 transitions. Word has length 915 [2018-12-09 19:35:56,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:35:56,153 INFO L480 AbstractCegarLoop]: Abstraction has 6908 states and 7388 transitions. [2018-12-09 19:35:56,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-09 19:35:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 6908 states and 7388 transitions. [2018-12-09 19:35:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2018-12-09 19:35:56,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:35:56,161 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:35:56,161 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:35:56,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:56,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1661791935, now seen corresponding path program 1 times [2018-12-09 19:35:56,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:35:56,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:56,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:56,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:56,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:35:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:35:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 1657 proven. 355 refuted. 0 times theorem prover too weak. 1947 trivial. 0 not checked. [2018-12-09 19:35:56,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:35:56,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:35:56,734 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1139 with the following transitions: [2018-12-09 19:35:56,734 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [694], [695], [699], [703], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:35:56,736 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:35:56,736 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:00,680 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:36:00,680 INFO L272 AbstractInterpreter]: Visited 195 different actions 790 times. Merged at 12 different actions 43 times. Widened at 1 different actions 2 times. Performed 8722 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8722 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 16 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 19:36:00,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:00,682 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:36:00,682 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:00,682 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:36:00,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:00,688 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:36:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:00,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:36:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 2442 proven. 6 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2018-12-09 19:36:01,201 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:36:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 1657 proven. 359 refuted. 0 times theorem prover too weak. 1943 trivial. 0 not checked. [2018-12-09 19:36:01,789 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:36:01,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2018-12-09 19:36:01,790 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:36:01,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:36:01,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:36:01,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:36:01,790 INFO L87 Difference]: Start difference. First operand 6908 states and 7388 transitions. Second operand 9 states. [2018-12-09 19:36:02,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:02,675 INFO L93 Difference]: Finished difference Result 14784 states and 15940 transitions. [2018-12-09 19:36:02,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 19:36:02,676 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1138 [2018-12-09 19:36:02,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:02,686 INFO L225 Difference]: With dead ends: 14784 [2018-12-09 19:36:02,686 INFO L226 Difference]: Without dead ends: 8066 [2018-12-09 19:36:02,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2306 GetRequests, 2281 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:36:02,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8066 states. [2018-12-09 19:36:02,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8066 to 7460. [2018-12-09 19:36:02,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7460 states. [2018-12-09 19:36:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7460 states to 7460 states and 7951 transitions. [2018-12-09 19:36:02,774 INFO L78 Accepts]: Start accepts. Automaton has 7460 states and 7951 transitions. Word has length 1138 [2018-12-09 19:36:02,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:02,775 INFO L480 AbstractCegarLoop]: Abstraction has 7460 states and 7951 transitions. [2018-12-09 19:36:02,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:36:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 7460 states and 7951 transitions. [2018-12-09 19:36:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1440 [2018-12-09 19:36:02,785 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:02,786 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:36:02,786 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:02,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:02,786 INFO L82 PathProgramCache]: Analyzing trace with hash 423769670, now seen corresponding path program 1 times [2018-12-09 19:36:02,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:02,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:02,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:02,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:02,787 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 2487 proven. 117 refuted. 0 times theorem prover too weak. 3614 trivial. 0 not checked. [2018-12-09 19:36:04,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:04,457 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:04,457 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1440 with the following transitions: [2018-12-09 19:36:04,457 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [690], [691], [694], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [738], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [935], [938], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:36:04,458 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:04,459 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:08,431 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:36:08,431 INFO L272 AbstractInterpreter]: Visited 198 different actions 797 times. Merged at 12 different actions 38 times. Widened at 1 different actions 1 times. Performed 8887 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8887 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 18 fixpoints after 9 different actions. Largest state had 24 variables. [2018-12-09 19:36:08,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:08,433 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:36:08,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:08,433 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:36:08,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:08,439 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:36:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:08,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:36:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 1508 proven. 2 refuted. 0 times theorem prover too weak. 4708 trivial. 0 not checked. [2018-12-09 19:36:09,332 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:36:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 1508 proven. 2 refuted. 0 times theorem prover too weak. 4708 trivial. 0 not checked. [2018-12-09 19:36:10,211 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:36:10,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 18 [2018-12-09 19:36:10,211 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:36:10,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 19:36:10,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 19:36:10,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-12-09 19:36:10,212 INFO L87 Difference]: Start difference. First operand 7460 states and 7951 transitions. Second operand 17 states. [2018-12-09 19:36:12,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:12,907 INFO L93 Difference]: Finished difference Result 15146 states and 16180 transitions. [2018-12-09 19:36:12,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-09 19:36:12,907 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1439 [2018-12-09 19:36:12,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:12,923 INFO L225 Difference]: With dead ends: 15146 [2018-12-09 19:36:12,923 INFO L226 Difference]: Without dead ends: 7662 [2018-12-09 19:36:12,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2935 GetRequests, 2892 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=425, Invalid=1467, Unknown=0, NotChecked=0, Total=1892 [2018-12-09 19:36:12,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7662 states. [2018-12-09 19:36:13,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7662 to 6714. [2018-12-09 19:36:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6714 states. [2018-12-09 19:36:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6714 states to 6714 states and 7045 transitions. [2018-12-09 19:36:13,005 INFO L78 Accepts]: Start accepts. Automaton has 6714 states and 7045 transitions. Word has length 1439 [2018-12-09 19:36:13,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:13,006 INFO L480 AbstractCegarLoop]: Abstraction has 6714 states and 7045 transitions. [2018-12-09 19:36:13,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 19:36:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6714 states and 7045 transitions. [2018-12-09 19:36:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1653 [2018-12-09 19:36:13,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:13,020 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:36:13,020 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:13,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:13,020 INFO L82 PathProgramCache]: Analyzing trace with hash 64561313, now seen corresponding path program 1 times [2018-12-09 19:36:13,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:13,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:13,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:13,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:13,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 8648 backedges. 1736 proven. 496 refuted. 0 times theorem prover too weak. 6416 trivial. 0 not checked. [2018-12-09 19:36:14,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:14,089 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:14,089 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1653 with the following transitions: [2018-12-09 19:36:14,089 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [638], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [686], [687], [690], [691], [694], [695], [699], [703], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:36:14,091 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:14,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:21,256 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:36:21,256 INFO L272 AbstractInterpreter]: Visited 198 different actions 794 times. Merged at 11 different actions 35 times. Widened at 1 different actions 1 times. Performed 8898 root evaluator evaluations with a maximum evaluation depth of 22. Performed 8898 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 19 fixpoints after 10 different actions. Largest state had 24 variables. [2018-12-09 19:36:21,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:21,258 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:36:21,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:21,258 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:36:21,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:21,264 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:36:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:21,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:36:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8648 backedges. 3997 proven. 2 refuted. 0 times theorem prover too weak. 4649 trivial. 0 not checked. [2018-12-09 19:36:22,126 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:36:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 8648 backedges. 1757 proven. 244 refuted. 0 times theorem prover too weak. 6647 trivial. 0 not checked. [2018-12-09 19:36:22,970 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:36:22,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-09 19:36:22,970 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:36:22,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 19:36:22,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 19:36:22,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-09 19:36:22,971 INFO L87 Difference]: Start difference. First operand 6714 states and 7045 transitions. Second operand 11 states. [2018-12-09 19:36:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:24,422 INFO L93 Difference]: Finished difference Result 14341 states and 15089 transitions. [2018-12-09 19:36:24,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 19:36:24,422 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1652 [2018-12-09 19:36:24,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:24,428 INFO L225 Difference]: With dead ends: 14341 [2018-12-09 19:36:24,428 INFO L226 Difference]: Without dead ends: 2977 [2018-12-09 19:36:24,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3343 GetRequests, 3312 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2018-12-09 19:36:24,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2977 states. [2018-12-09 19:36:24,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2977 to 2958. [2018-12-09 19:36:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2958 states. [2018-12-09 19:36:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 3001 transitions. [2018-12-09 19:36:24,466 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 3001 transitions. Word has length 1652 [2018-12-09 19:36:24,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:24,466 INFO L480 AbstractCegarLoop]: Abstraction has 2958 states and 3001 transitions. [2018-12-09 19:36:24,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 19:36:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3001 transitions. [2018-12-09 19:36:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1692 [2018-12-09 19:36:24,478 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:24,478 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 19:36:24,478 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:24,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:24,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1717289902, now seen corresponding path program 1 times [2018-12-09 19:36:24,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:24,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:24,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:24,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:24,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 8838 backedges. 1919 proven. 5284 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2018-12-09 19:36:27,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:27,561 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:27,561 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1692 with the following transitions: [2018-12-09 19:36:27,561 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [670], [671], [675], [679], [683], [686], [687], [690], [691], [694], [695], [699], [703], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [778], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [935], [939], [943], [946], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 19:36:27,563 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:27,563 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:31,489 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:36:31,490 INFO L272 AbstractInterpreter]: Visited 202 different actions 810 times. Merged at 11 different actions 35 times. Widened at 1 different actions 1 times. Performed 9083 root evaluator evaluations with a maximum evaluation depth of 21. Performed 9083 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 20 fixpoints after 11 different actions. Largest state had 24 variables. [2018-12-09 19:36:31,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:31,492 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:36:31,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:31,492 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:36:31,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:31,499 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:36:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:31,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:36:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8838 backedges. 2852 proven. 84 refuted. 0 times theorem prover too weak. 5902 trivial. 0 not checked. [2018-12-09 19:36:32,500 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:36:33,963 INFO L134 CoverageAnalysis]: Checked inductivity of 8838 backedges. 2928 proven. 121 refuted. 0 times theorem prover too weak. 5789 trivial. 0 not checked. [2018-12-09 19:36:33,979 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:36:33,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8, 9] total 39 [2018-12-09 19:36:33,980 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:36:33,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-12-09 19:36:33,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-12-09 19:36:33,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1312, Unknown=0, NotChecked=0, Total=1482 [2018-12-09 19:36:33,982 INFO L87 Difference]: Start difference. First operand 2958 states and 3001 transitions. Second operand 33 states. [2018-12-09 19:36:38,618 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2018-12-09 19:36:39,972 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2018-12-09 19:36:41,098 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2018-12-09 19:36:41,458 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2018-12-09 19:36:45,133 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-12-09 19:36:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:46,242 INFO L93 Difference]: Finished difference Result 4467 states and 4565 transitions. [2018-12-09 19:36:46,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-12-09 19:36:46,244 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1691 [2018-12-09 19:36:46,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:46,247 INFO L225 Difference]: With dead ends: 4467 [2018-12-09 19:36:46,247 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:36:46,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3504 GetRequests, 3399 SyntacticMatches, 3 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2786 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2016, Invalid=8696, Unknown=0, NotChecked=0, Total=10712 [2018-12-09 19:36:46,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:36:46,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:36:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:36:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:36:46,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1691 [2018-12-09 19:36:46,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:46,261 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:36:46,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-12-09 19:36:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:36:46,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:36:46,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:36:46,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:46,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,150 WARN L180 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 630 DAG size of output: 518 [2018-12-09 19:36:47,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:47,801 WARN L180 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 499 [2018-12-09 19:36:49,703 WARN L180 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 376 DAG size of output: 131 [2018-12-09 19:36:51,791 WARN L180 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 505 DAG size of output: 119 [2018-12-09 19:36:56,031 WARN L180 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 485 DAG size of output: 125 [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-09 19:36:56,033 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,034 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 19:36:56,035 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 19:36:56,036 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse20 (= 8 ~a15~0)) (.cse8 (= 8 |old(~a15~0)|)) (.cse28 (= |calculate_output_#in~input| 0)) (.cse29 (= 7 |old(~a15~0)|)) (.cse14 (= ~a24~0 |old(~a24~0)|)) (.cse30 (= |old(~a15~0)| ~a15~0)) (.cse25 (= 7 |old(~a21~0)|)) (.cse21 (= ~a24~0 1)) (.cse11 (= ~a12~0 |old(~a12~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse13 (= 1 ~a24~0)) (.cse31 (= 9 ~a15~0))) (let ((.cse16 (< 73282 |old(~a12~0)|)) (.cse0 (and .cse11 .cse12 .cse13 .cse31)) (.cse24 (< 76 |old(~a12~0)|)) (.cse1 (not (= 6 |old(~a21~0)|))) (.cse2 (not (= 9 |old(~a15~0)|))) (.cse22 (not (= 9 |old(~a21~0)|))) (.cse19 (= ~a21~0 9)) (.cse18 (< 7 |old(~a15~0)|)) (.cse27 (and .cse11 .cse12 (let ((.cse32 (= ~a15~0 8))) (or (and .cse32 .cse21 (= ~a21~0 7)) (and .cse32 (not (= ~a12~0 0)) .cse21))))) (.cse17 (not .cse25)) (.cse7 (< |old(~a12~0)| 81)) (.cse5 (and .cse11 .cse14 .cse12 .cse30)) (.cse10 (not .cse29)) (.cse4 (not (= 8 |old(~a21~0)|))) (.cse6 (not (= 10 |old(~a21~0)|))) (.cse23 (or (= 0 |old(~a21~0)|) .cse25 .cse28)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse9 (< 11 |old(~a12~0)|)) (.cse15 (not .cse8)) (.cse26 (and .cse11 .cse12 .cse20 .cse21))) (and (or .cse0 .cse1 .cse2 .cse3 (< 95434 |old(~a12~0)|) (<= |old(~a12~0)| 95380)) (or .cse2 .cse0 .cse3 (< 72 |old(~a12~0)|) (<= |old(~a12~0)| 18) .cse4) (or .cse5 (or .cse6 .cse7 .cse3) .cse8) (or .cse2 .cse0 .cse3 .cse9 .cse4) (or (< 0 (+ |old(~a12~0)| 460233)) .cse10 .cse3 (and .cse11 .cse12 (= 7 ~a15~0) .cse13)) (or (and .cse11 .cse14 .cse12 (= ~a15~0 |old(~a15~0)|)) .cse15 .cse16 (or .cse7 .cse3 .cse4)) (or .cse0 (and (or .cse2 .cse7 .cse3 .cse4) (or .cse2 .cse17 .cse7 .cse3))) (or .cse1 .cse5 (< 0 (+ |old(~a12~0)| 43)) .cse18) (or (and .cse11 .cse19 .cse20 .cse21) .cse22 .cse23 .cse24 .cse3 .cse15) (or .cse25 .cse3 .cse5 .cse16 .cse18) (or .cse2 .cse6 .cse3 .cse9 .cse0) (or .cse23 .cse24 .cse3 .cse15 .cse26 .cse4) (or .cse27 .cse1 (= 0 |old(~a12~0)|) .cse3 .cse15 .cse28) (or .cse24 .cse29 .cse3 (and .cse11 .cse12 .cse30 .cse13) .cse18) (or .cse5 (or .cse1 .cse3) .cse18) (or .cse22 .cse2 (and .cse11 .cse19 .cse13 .cse31) .cse7 .cse3) (or .cse22 (and .cse11 .cse14 .cse19 .cse30) .cse3 .cse18) (or .cse15 .cse27 .cse28 .cse17 .cse3 .cse9) (or (and .cse11 .cse20 .cse21 (= 10 ~a21~0)) (or .cse6 .cse23 .cse3 .cse15) .cse7) (or .cse5 .cse3 .cse10 .cse4) (or .cse6 .cse23 .cse3 .cse9 .cse15 .cse26)))) [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-09 19:36:56,037 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-09 19:36:56,038 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 19:36:56,039 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-09 19:36:56,040 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 19:36:56,041 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:36:56,042 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-09 19:36:56,042 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:36:56,043 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:36:56,043 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-09 19:36:56,043 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-09 19:36:56,043 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse21 (= 7 ~a21~0))) (let ((.cse13 (not (= main_~input~0 0))) (.cse14 (= ~a15~0 8)) (.cse15 (= ~a24~0 1)) (.cse18 (= ~a24~0 |old(~a24~0)|)) (.cse24 (not .cse21)) (.cse10 (= 1 ~a24~0)) (.cse25 (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|))))) (let ((.cse20 (and (not (= ~a15~0 9)) .cse24 .cse10 .cse25)) (.cse2 (and .cse24 .cse18)) (.cse23 (= ~a21~0 8)) (.cse22 (and (and (not (= ~a21~0 0)) .cse24 .cse13 .cse14 .cse15) .cse25)) (.cse0 (= ~a21~0 10))) (let ((.cse16 (and .cse22 .cse0)) (.cse12 (= ~a21~0 6)) (.cse5 (<= ~a12~0 73282)) (.cse11 (<= ~a15~0 7)) (.cse19 (= 9 ~a21~0)) (.cse1 (<= ~a12~0 11)) (.cse8 (= ~a15~0 |old(~a15~0)|)) (.cse9 (<= ~a12~0 76)) (.cse4 (and .cse2 .cse23)) (.cse6 (<= 81 ~a12~0)) (.cse3 (= 9 ~a15~0)) (.cse17 (= 7 ~a15~0)) (.cse7 (and .cse20 .cse23))) (or (and .cse0 (and .cse1 .cse2) .cse3) (not (= 8 |old(~a15~0)|)) (and (< 18 ~a12~0) .cse4 (<= ~a12~0 72) .cse3) (and (and .cse5 (and .cse6 .cse7)) .cse8) (and .cse9 (and .cse10 (not (= ~a15~0 7))) .cse11) (and .cse12 .cse13 (and .cse14 (not (= ~a12~0 0)) .cse15)) (and .cse6 .cse16) (and (<= (+ ~a12~0 460233) 0) .cse17 .cse18) (and (and .cse6 .cse2 (= 10 ~a21~0)) (not .cse14)) (not (= 7 |old(~a21~0)|)) (and .cse6 .cse19 .cse2 .cse3) (and .cse16 .cse1) (and .cse4 .cse1 .cse3) (not (= 0 (+ |old(~a12~0)| 49))) (and (and .cse12 .cse10) .cse11) (and .cse12 (<= (+ ~a12~0 43) 0) .cse11) (and .cse5 .cse20 .cse11) (and .cse20 .cse11 .cse19) (and (and .cse1 (and .cse13 .cse21)) .cse18 .cse8) (and .cse9 (and .cse22 .cse23)) (and .cse9 .cse22 (= ~a21~0 9)) (or (and .cse6 (and .cse10 (= ~a21~0 7)) .cse3) (and .cse4 .cse6 .cse3)) (and (= 6 ~a21~0) (<= ~a12~0 95434) .cse10 .cse3 (< 95380 ~a12~0)) (and .cse17 .cse7) (not (= 1 |old(~a24~0)|))))))) [2018-12-09 19:36:56,043 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-09 19:36:56,043 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-09 19:36:56,043 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse21 (= 7 ~a21~0))) (let ((.cse9 (= ~a24~0 |old(~a24~0)|)) (.cse23 (not .cse21)) (.cse6 (= 1 ~a24~0))) (let ((.cse20 (and (not (= ~a15~0 9)) .cse23 .cse6 (or (not (= 6 |old(~a21~0)|)) (not (= 5 |old(~a15~0)|))))) (.cse2 (and .cse23 .cse9)) (.cse14 (= ~a21~0 8)) (.cse22 (= ~a21~0 7)) (.cse12 (= ~a15~0 8)) (.cse13 (= ~a24~0 1))) (let ((.cse5 (<= ~a12~0 76)) (.cse0 (= ~a21~0 10)) (.cse15 (= ~a15~0 |old(~a15~0)|)) (.cse18 (= ~a21~0 6)) (.cse16 (<= ~a12~0 73282)) (.cse7 (<= ~a15~0 7)) (.cse11 (= 9 ~a21~0)) (.cse19 (or (and .cse12 .cse13 .cse22) (and (not (= ~a21~0 0)) .cse12 (not (= ~a12~0 0)) .cse13))) (.cse1 (<= ~a12~0 11)) (.cse4 (and .cse2 .cse14)) (.cse10 (<= 81 ~a12~0)) (.cse3 (= 9 ~a15~0)) (.cse8 (= 7 ~a15~0)) (.cse17 (and .cse20 .cse14))) (or (and .cse0 (and .cse1 .cse2) .cse3) (not (= 8 |old(~a15~0)|)) (and (< 18 ~a12~0) .cse4 (<= ~a12~0 72) .cse3) (and .cse5 (and .cse6 (not (= ~a15~0 7))) .cse7) (and (<= (+ ~a12~0 460233) 0) .cse8 .cse9) (and .cse10 .cse2 (= 10 ~a21~0)) (not (= 7 |old(~a21~0)|)) (and .cse10 .cse11 .cse2 .cse3) (and .cse5 (and (and .cse12 .cse13) .cse14)) (and .cse4 .cse1 .cse3) (not (= 0 (+ |old(~a12~0)| 49))) (and (and .cse5 (= ~a21~0 9)) .cse9 .cse15) (and (and .cse16 (and .cse10 .cse17)) .cse15) (and (and .cse18 .cse6) .cse7) (and .cse18 (<= (+ ~a12~0 43) 0) .cse7) (and .cse9 .cse0 .cse1 .cse15) (and .cse18 .cse19) (and .cse16 .cse20 .cse7) (and .cse20 .cse7 .cse11) (and (and .cse21 .cse19) .cse1) (or (and .cse10 (and .cse6 .cse22) .cse3) (and .cse4 .cse10 .cse3)) (and (= 6 ~a21~0) (<= ~a12~0 95434) .cse6 .cse3 (< 95380 ~a12~0)) (and .cse8 .cse17) (not (= 1 |old(~a24~0)|))))))) [2018-12-09 19:36:56,043 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-09 19:36:56,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:36:56 BoogieIcfgContainer [2018-12-09 19:36:56,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:36:56,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:36:56,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:36:56,054 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:36:56,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:33:30" (3/4) ... [2018-12-09 19:36:56,057 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:36:56,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:36:56,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 19:36:56,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:36:56,068 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:36:56,068 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 19:36:56,086 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((a21 == 10 && a12 <= 11 && !(7 == a21) && a24 == \old(a24)) && 9 == a15) || !(8 == \old(a15))) || (((18 < a12 && (!(7 == a21) && a24 == \old(a24)) && a21 == 8) && a12 <= 72) && 9 == a15)) || ((a12 <= 76 && 1 == a24 && !(a15 == 7)) && a15 <= 7)) || ((a12 + 460233 <= 0 && 7 == a15) && a24 == \old(a24))) || ((81 <= a12 && !(7 == a21) && a24 == \old(a24)) && 10 == a21)) || !(7 == \old(a21))) || (((81 <= a12 && 9 == a21) && !(7 == a21) && a24 == \old(a24)) && 9 == a15)) || (a12 <= 76 && (a15 == 8 && a24 == 1) && a21 == 8)) || ((((!(7 == a21) && a24 == \old(a24)) && a21 == 8) && a12 <= 11) && 9 == a15)) || !(0 == \old(a12) + 49)) || (((a12 <= 76 && a21 == 9) && a24 == \old(a24)) && a15 == \old(a15))) || ((a12 <= 73282 && 81 <= a12 && (((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (!(6 == \old(a21)) || !(5 == \old(a15)))) && a21 == 8) && a15 == \old(a15))) || ((a21 == 6 && 1 == a24) && a15 <= 7)) || ((a21 == 6 && a12 + 43 <= 0) && a15 <= 7)) || (((a24 == \old(a24) && a21 == 10) && a12 <= 11) && a15 == \old(a15))) || (a21 == 6 && (((a15 == 8 && a24 == 1) && a21 == 7) || (((!(a21 == 0) && a15 == 8) && !(a12 == 0)) && a24 == 1)))) || ((a12 <= 73282 && ((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (!(6 == \old(a21)) || !(5 == \old(a15)))) && a15 <= 7)) || (((((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (!(6 == \old(a21)) || !(5 == \old(a15)))) && a15 <= 7) && 9 == a21)) || ((7 == a21 && (((a15 == 8 && a24 == 1) && a21 == 7) || (((!(a21 == 0) && a15 == 8) && !(a12 == 0)) && a24 == 1))) && a12 <= 11)) || ((81 <= a12 && 1 == a24 && a21 == 7) && 9 == a15) || ((((!(7 == a21) && a24 == \old(a24)) && a21 == 8) && 81 <= a12) && 9 == a15)) || ((((6 == a21 && a12 <= 95434) && 1 == a24) && 9 == a15) && 95380 < a12)) || (7 == a15 && (((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (!(6 == \old(a21)) || !(5 == \old(a15)))) && a21 == 8)) || !(1 == \old(a24)) [2018-12-09 19:36:56,140 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_daa82a05-4d83-4997-b38a-4a240733f742/bin-2019/utaipan/witness.graphml [2018-12-09 19:36:56,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:36:56,141 INFO L168 Benchmark]: Toolchain (without parser) took 206504.72 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 946.3 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-12-09 19:36:56,141 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:36:56,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:36:56,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:36:56,142 INFO L168 Benchmark]: Boogie Preprocessor took 51.93 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:36:56,142 INFO L168 Benchmark]: RCFGBuilder took 739.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.8 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:36:56,142 INFO L168 Benchmark]: TraceAbstraction took 205241.48 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 984.8 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-09 19:36:56,142 INFO L168 Benchmark]: Witness Printer took 86.07 ms. Allocated memory is still 4.8 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. [2018-12-09 19:36:56,143 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.93 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 739.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 984.8 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 205241.48 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 984.8 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 86.07 ms. Allocated memory is still 4.8 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a21 == 10 && a12 <= 11 && !(7 == a21) && a24 == \old(a24)) && 9 == a15) || !(8 == \old(a15))) || (((18 < a12 && (!(7 == a21) && a24 == \old(a24)) && a21 == 8) && a12 <= 72) && 9 == a15)) || ((a12 <= 76 && 1 == a24 && !(a15 == 7)) && a15 <= 7)) || ((a12 + 460233 <= 0 && 7 == a15) && a24 == \old(a24))) || ((81 <= a12 && !(7 == a21) && a24 == \old(a24)) && 10 == a21)) || !(7 == \old(a21))) || (((81 <= a12 && 9 == a21) && !(7 == a21) && a24 == \old(a24)) && 9 == a15)) || (a12 <= 76 && (a15 == 8 && a24 == 1) && a21 == 8)) || ((((!(7 == a21) && a24 == \old(a24)) && a21 == 8) && a12 <= 11) && 9 == a15)) || !(0 == \old(a12) + 49)) || (((a12 <= 76 && a21 == 9) && a24 == \old(a24)) && a15 == \old(a15))) || ((a12 <= 73282 && 81 <= a12 && (((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (!(6 == \old(a21)) || !(5 == \old(a15)))) && a21 == 8) && a15 == \old(a15))) || ((a21 == 6 && 1 == a24) && a15 <= 7)) || ((a21 == 6 && a12 + 43 <= 0) && a15 <= 7)) || (((a24 == \old(a24) && a21 == 10) && a12 <= 11) && a15 == \old(a15))) || (a21 == 6 && (((a15 == 8 && a24 == 1) && a21 == 7) || (((!(a21 == 0) && a15 == 8) && !(a12 == 0)) && a24 == 1)))) || ((a12 <= 73282 && ((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (!(6 == \old(a21)) || !(5 == \old(a15)))) && a15 <= 7)) || (((((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (!(6 == \old(a21)) || !(5 == \old(a15)))) && a15 <= 7) && 9 == a21)) || ((7 == a21 && (((a15 == 8 && a24 == 1) && a21 == 7) || (((!(a21 == 0) && a15 == 8) && !(a12 == 0)) && a24 == 1))) && a12 <= 11)) || ((81 <= a12 && 1 == a24 && a21 == 7) && 9 == a15) || ((((!(7 == a21) && a24 == \old(a24)) && a21 == 8) && 81 <= a12) && 9 == a15)) || ((((6 == a21 && a12 <= 95434) && 1 == a24) && 9 == a15) && 95380 < a12)) || (7 == a15 && (((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (!(6 == \old(a21)) || !(5 == \old(a15)))) && a21 == 8)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 205.1s OverallTime, 17 OverallIterations, 14 TraceHistogramMax, 108.9s AutomataDifference, 0.0s DeadEndRemovalTime, 9.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1261 SDtfs, 36749 SDslu, 2723 SDs, 0 SdLazy, 48763 SolverSat, 5966 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 22841 GetRequests, 22260 SyntacticMatches, 17 SemanticMatches, 564 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8883 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7460occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 55.6s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9973568600662258 AbsIntWeakeningRatio, 0.08491761723700887 AbsIntAvgWeakeningVarsNumRemoved, 16.124841571609632 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 3891 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 349 PreInvPairs, 481 NumberOfFragments, 1751 HoareAnnotationTreeSize, 349 FomulaSimplifications, 5179755 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2401019 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 22428 NumberOfCodeBlocks, 22099 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 32659 ConstructedInterpolants, 0 QuantifiedInterpolants, 126283343 SizeOfPredicates, 34 NumberOfNonLiveVariables, 13936 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 37 InterpolantComputations, 3 PerfectInterpolantSequences, 102697/114600 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...